U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Subject term benzaldehyde Remove constraint Subject term: benzaldehyde Subject term gold Remove constraint Subject term: gold
Start Over

Search

48  Search Results

1 - 48 of 48
Number of results to display per page

Search Results

1. A bimetallic Au–Ag nanoalloy mounted LDH/RGO nanocomposite: a promising catalyst effective towards a coupled system for the photoredox reactions converting benzyl alcohol to benzaldehyde and nitrobenzene to aniline under visible light

Author:
Mitarani Sahoo; Sriram Mansingh; K. M. Parida
Source:
Journal of materials chemistry A 2019 v.7 no.13 pp. 7614-7627
ISSN:
2050-7496
Subject:
alloy nanoparticles; alloys; aniline; benzaldehyde; benzyl alcohol; crystallization; electrons; gold; graphene oxide; irradiation; lighting; liquids; nanocomposites; nitrobenzenes; photocatalysis; photocatalysts; photoluminescence; protons; redox reactions; reflectance spectroscopy; silver; surface plasmon resonance; ultraviolet radiation
Abstract:
... Achieving organic transformation reactions using green synthesis methods under mild conditions is always an aspiration of scientists. In the present findings, a Zn–Cr layered double hydroxide (LDH)/graphene oxide (GO) nanocomposite modified with Au–Ag noble metal nanoparticles (NPs) was synthesized via the in situ crystallization of a LDH over a GO surface followed by the simultaneous photo-deposi ...
DOI:
10.1039/c8ta10521a

2. A comprehensive study on the effect of preparation methods for Au-core@shell silica materials in room temperature oxidative amide formation

Author:
Jiale Huang; Mingyu Zhang; Jing Wang; Xijun Hu; Rafael Luque; Frank L. Y. Lam
Source:
Journal of materials chemistry A 2014 v.3 no.2 pp. 789-796
ISSN:
2050-7496
Subject:
ambient temperature; benzaldehyde; catalysts; catalytic activity; gold; morpholine; nanogold; porous media; silica; surface area
Abstract:
... Core–shell silica comprising mesoporous SiO₂ shell and solid SiO₂ core (SiO₂@mSiO₂) was utilized as catalytic support to prepare highly active and efficient Au–SiO₂@mSiO₂ catalysts for room temperature catalysis. Results showed that the mesoporous shell significantly contributed to the high surface area of SiO₂@mSiO₂. Au nanocatalysts prepared by different methods (impregnation, IM and deposition– ...
DOI:
10.1039/c4ta04574b

3. A green process for chlorine-free benzaldehyde from the solvent-free oxidation of benzyl alcohol with molecular oxygen over a supported nano-size gold catalyst

Author:
Vasant R. Choudhary; Anirban Dhar; Prabhas Jana; Rani Jha; Balu S. Uphade
Source:
Green chemistry 2005 v.7 no.11 pp. 768-770
ISSN:
1463-9270
Subject:
aluminum oxide; benzaldehyde; benzyl alcohol; catalysts; gold; green chemistry; magnesium oxide; nanogold; oxidation; oxygen; solvents; zirconium oxide
Abstract:
... Benzyl alcohol is oxidized selectively to benzaldehyde with high yield, with a little formation of benzylbenzoate, by molecular oxygen over a reusable nano-size gold catalyst supported on U₃O₈, MgO, Al₂O₃ or ZrO₂ in the absence of any solvent. ...
DOI:
10.1039/b509003b

4. A very simple method for the preparation of Au/TiO₂ plasmonic photocatalysts working under irradiation of visible light in the range of 600–700 nm

Author:
Atsuhiro Tanaka; Keiji Hashimoto; Hiroshi Kominami
Source:
Chemical communications 2017 v.53 no.35 pp. 4759-4762
ISSN:
1364-548X
Subject:
benzaldehyde; benzyl alcohol; gold; irradiation; oxidation; photocatalysts; surface plasmon resonance; titanium dioxide
Abstract:
... By using a facile calcination method, we succeeded in the preparation of partially spherical gold particles supported on TiO₂ exhibiting photoabsorption due to surface plasmon resonance at around 620 nm. Surprisingly, the selective oxidation of benzyl alcohol to benzaldehyde occurred in an aqueous suspension of thus-prepared Au/TiO₂ under irradiation of light from a Xe lamp with an R60 cut-off fil ...
DOI:
10.1039/c7cc01444a

5. Atomic-scale insight into the structural effect of a supported Au catalyst based on a size-distribution analysis using Cs-STEM and morphological image-processing

Author:
Junya Ohyama; Akihiko Esaki; Taiki Koketsu; Yuta Yamamoto; Shigeo Arai; Atsushi Satsuma
Source:
Journal of catalysis 2016 v.335 pp. 24-35
ISSN:
0021-9517
Subject:
X-ray absorption spectroscopy; adsorption; benzaldehyde; catalysts; gold; hydrogen; hydrogenation; hydroxymethylfurfural; nitrobenzenes; reaction kinetics; transmission electron microscopy
Abstract:
... Alumina-supported gold catalysts (Au/Al2O3) prepared under various conditions were observed on an atomic scale using aberration-corrected scanning transmission electron microscopy (Cs-STEM). The Au particles, including single Au atoms, on Cs-STEM images were extracted using morphological image-processing, and the size distributions for reaction site candidates, such as the corner, edge, and surfac ...
DOI:
10.1016/j.jcat.2015.11.021

6. Bi doped CeO₂ oxide supported gold nanoparticle catalysts for the aerobic oxidation of alcohols

Author:
Chiranjit Santra; Aline Auroux; Biswajit Chowdhury
Source:
RSC advances 2016 v.6 no.51 pp. 45330-45342
ISSN:
2046-2069
Subject:
X-ray photoelectron spectroscopy; activation energy; benzaldehyde; benzyl alcohol; bismuth; catalysts; catalytic activity; ceric oxide; geraniol; gold; liquids; mass transfer; nanogold; oxidation; oxygen; temperature; transmission electron microscopy
Abstract:
... Gold nanoparticles supported on Bi–CeO₂ with four different bismuth loadings (2 to 8 mol%) were prepared to determine the role of oxide vacancies in doped ceria in the benzyl alcohol oxidation reaction. The catalytic activity was tested for a liquid phase benzyl alcohol oxidation reaction with molecular oxygen under mild conditions of pressure and temperature. The catalytic activity depends on the ...
DOI:
10.1039/c6ra05216a

7. Bimetallic (Au–Cu core)@(ceria shell) nanotubes for photocatalytic oxidation of benzyl alcohol: improved reactivity by Cu

Author:
Beibei Chen; Xiaomin Li; Ruijin Zheng; Ruiping Chen; Xuan Sun
Source:
Journal of materials chemistry A 2017 v.5 no.26 pp. 13382-13391
ISSN:
2050-7496
Subject:
active sites; benzaldehyde; benzyl alcohol; catalysts; ceric oxide; copper; copper nanoparticles; cost effectiveness; gold; nanocomposites; nanotubes; oxidation; oxygen; photocatalysis; surface area
Abstract:
... Supported bimetallic nanocomposites are promising in photocatalysis due to the multi-component interaction between metals and between metals and carriers. By an in situ reduction method, a series of monometallic (Au@CeO₂ and Cu@CeO₂) and bimetallic catalysts (Au₈Cu₂@CeO₂, Au₅Cu₅@CeO₂ and Au₁Cu₉@CeO₂) are obtained, with a metallic core and a CeO₂ shell structure. The in situ reduction method develo ...
DOI:
10.1039/c7ta02047c

8. Biogenic flower-shaped Au–Pd nanoparticles: synthesis, SERS detection and catalysis towards benzyl alcohol oxidation

Author:
Daohua Sun; Genlei Zhang; Xinde Jiang; Jiale Huang; Xiaolian Jing; Yanmei Zheng; Jing He; Qingbiao Li
Source:
Journal of materials chemistry A 2014 v.2 no.6 pp. 1767-1773
ISSN:
2050-7496
Subject:
Platycladus orientalis; X-ray diffraction; alloy nanoparticles; alloys; ambient temperature; ascorbic acid; benzaldehyde; benzyl alcohol; catalytic activity; energy-dispersive X-ray analysis; gold; leaf extracts; oxidation; palladium; rhodamines; spectroscopy; transmission electron microscopy
Abstract:
... ∼40 nm flower-shaped Au–Pd bimetallic nanoparticles were prepared in a facile and eco-friendly way based on the simultaneous bioreduction of HAuCl₄ and Na₂PdCl₄ with ascorbic acid and Cacumen Platycladi leaf extract at room temperature. Characterization techniques, such as transmission electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction, were employed to confirm that t ...
DOI:
10.1039/c3ta13922k

9. Biosynthesized Bimetallic Au–Pd Nanoparticles Supported on TiO2 for Solvent-Free Oxidation of Benzyl Alcohol

Author:
Hong Yingling; Jing Xiaolian; Huang Jiale; Sun Daohua; Odoom-Wubah Tareque; Yang Feng; Du Mingming; Li Qingbiao
Source:
ACS sustainable chemistry 2014 v.2 no.7 pp. 1752-1759
ISSN:
2168-0485
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; atmospheric pressure; benzaldehyde; benzyl alcohol; catalysts; catalytic activity; durability; gold; hydroxyl radicals; industrial applications; nanoparticles; oxidation; oxygen; palladium; recycling; temperature; thermogravimetry; titanium dioxide; transmission electron microscopy
Abstract:
... A green bioreductive approach with Cacumen Platycladi (CP) extract was adopted to fabricate bimetallic Au–Pd/TiO₂ catalysts for solvent-free oxidation of benzyl alcohol (BzOH) to benzaldehyde (BzH) with molar oxygen at atmospheric pressure. The Au–Pd nanoparticles (NPs) before being immobilized onto TiO₂ were determined by transmission electron microscopy. And, the catalysts were further analyzed ...
DOI:
10.1021/sc500181z

10. Boosting the catalytic behavior and stability of a gold catalyst with structure regulated by ceria

Author:
Jingjie Luo; Fengxiang Shan; Sihan Yang; Yixue Zhou; Changhai Liang
Source:
RSC advances 2022 v.12 no.3 pp. 1384-1392
ISSN:
2046-2069
Subject:
benzaldehyde; benzyl alcohol; carbon nanotubes; catalysts; catalytic activity; gold; nanogold; oxidation; oxygen
Abstract:
... In this work, a series of colloidal gold nanoparticles with controllable sizes were anchored on carbon nanotubes (CNT) for the aerobic oxidation of benzyl alcohol. The intrinsic influence of Au particles on the catalytic behavior was unraveled based on different nanoscale-gold systems. The Au/CNT-A sample with smaller Au sizes deserved a faster reaction rate, mainly resulting from the higher dispe ...
DOI:
10.1039/d1ra07686h

11. CO scission and reductive coupling of organic carbonyls by a redox-active diboraanthracene

Author:
Jordan W. Taylor; W. Hill Harman
Source:
Chemical communications 2020 v.56 no.32 pp. 4480-4483
ISSN:
1364-548X
Subject:
acetone; benzaldehyde; boron; chemical bonding; cleavage (chemistry); cycloaddition reactions; dimerization; formaldehyde; gold; stoichiometry
Abstract:
... The boron-centered reactivity of the diboraanthracene-auride complex [Au(B₂P₂)][K(18-c-6)]; (B₂P₂, 9,10-bis(2-(diisopropylphosphino)-phenyl)-9,10-dihydroboranthrene) with a series of organic carbonyls is reported. The reaction of [Au(B₂P₂)]⁻ with formaldehyde or paraformaldehyde results in a head-to-tail dimerization of two formaldehyde units across the boron centers. In contrast, the reaction of ...
DOI:
10.1039/d0cc01142h

12. Dendritic Polyglycerol–Poly(ethylene glycol)-Based Polymer Networks for Biosensing Application

Author:
Dey Pradip; Adamovski Miriam; Friebe Simon; Badalyan Artavazd; Mutihac Radu-Cristian; Paulus Florian; Leimkühler Silke; Wollenberger Ulla; Haag Rainer
Source:
ACS Applied Materials & Interfaces 2014 v.6 no.12 pp. 8937-8941
ISSN:
1944-8252
Subject:
benzaldehyde; biosensors; ethylene glycol; gold; polymers
Abstract:
... This work describes the formation of a new dendritic polyglycerol–poly(ethylene glycol)-based 3D polymer network as a matrix for immobilization of the redox enzyme periplasmatic aldehyde oxidoreductase to create an electrochemical biosensor. The novel network is built directly on the gold surface, where it simultaneously stabilizes the enzyme for up to 4 days. The prepared biosensors can be used f ...
DOI:
10.1021/am502018x

13. Dynamic Kinetic Resolution in Gold-Catalyzed (4 + 2)-Annulations between Alkynyl Benzaldehydes and Allenamides to Yield Enantioenriched All-Carbon Diarylalkylmethane Derivatives

Author:
Yashwant Bhaskar Pandit; Rai-Shung Liu
Source:
Organic letters 2021 v.24 no.2 pp. 548-553
ISSN:
1523-7052
Subject:
benzaldehyde; deuterium; gold
Abstract:
... This work reports the synthesis of diarylmethane derivatives via gold-catalyzed (4 + 2)-annulations between alkynyl benzaldehydes and allenamides, followed by an aza-Claisen rearrangement. Deuterium labeling and crossover experiments have been performed to confirm this proposed mechanism. With racemic 3-substituted allenamides in a substrate ratio (1:1), we employ chiral gold catalysts to achieve ...
DOI:
10.1021/acs.orglett.1c03963

14. Effect of alkali and alkaline earth metal ions on benzyl alcohol oxidation activity of titanate nanotube-supported Au catalysts

Author:
Devadutta Nepak; Darbha Srinivas
Source:
RSC advances 2015 v.5 no.59 pp. 47740-47748
ISSN:
2046-2069
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; air; alkali treatment; barium; benzaldehyde; benzyl alcohol; calcium; catalysts; catalytic activity; cesium; desorption; gold; lithium; magnesium; metal ions; nanogold; nanotubes; oxidation; oxygen; palladium; particle size; potassium; reflectance spectroscopy; sodium; solvents; titanium dioxide; transmission electron microscopy; ultraviolet-visible spectroscopy
Abstract:
... Sodium titanate nanotubes (NaTNTs) were prepared by alkali treatment of anatase titania. They were then ion-exchanged with alkali and alkaline earth metal ions to get ATNTs (A = Li⁺, K⁺, Cs⁺, Mg²⁺, Ca²⁺, Sr²⁺and Ba²⁺). Gold (1–5 wt%) was supported on these nanotubes by a deposition–precipitation method and investigated as a catalyst for the selective oxidation of benzyl alcohol with air/molecular ...
DOI:
10.1039/c5ra06496a

15. Efficient imine synthesis from oxidative coupling of alcohols and amines under air atmosphere catalysed by Zn-doped Al2O3 supported Au nanoparticles

Author:
Shipeng Wu; Weixiao Sun; Junjie Chen; Jinghan Zhao; Qiue Cao; Wenhao Fang; Qihua Zhao
Source:
Journal of catalysis 2019 v.377 pp. 110-121
ISSN:
0021-9517
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; additives; air; aluminum oxide; amines; benzaldehyde; benzyl alcohol; carbon dioxide; catalysts; catalytic activity; gold; imines; models; nanogold; nanoparticles; oxidation; oxygen; recycling; synthesis; temperature; transmission electron microscopy; zinc
Abstract:
... Direct oxidative coupling of alcohols and amines is regarded as an effective and green approach for imine synthesis under mild conditions. In this work, Zn-doped γ-Al2O3 supported Au nanoparticles was demonstrated as highly active and selective heterogeneous catalyst for a series of imine productions with good to excellent yields, from alcohols and amines via direct oxidative coupling under air at ...
DOI:
10.1016/j.jcat.2019.07.027

16. Efficient utilization of photogenerated electrons and holes for photocatalytic redox reactions using visible light-driven Au/ZnIn2S4 hybrid

Author:
Taotao Zhu; Xiangju Ye; Qiaoqiao Zhang; Zhenzhen Hui; Xuchun Wang; Shifu Chen
Source:
Journal of hazardous materials 2019 v.367 pp. 277-285
ISSN:
0304-3894
Subject:
benzaldehyde; benzyl alcohol; carbon dioxide; electrons; gold; hydrogen; hydrogen production; irradiation; nanosheets; nitrogen fixation; oxidation; photocatalysis; photocatalysts; protons
Abstract:
... In this study, a new photocatalytic reaction system for simultaneous selective oxidation of aromatic alcohols to corresponding aldehydes and reduction of protons to H2 has been developed. The results reveal that compared with pure ZnIn2S4, the ZnIn2S4 photocatalysts modified with noble metal gold (Au/ZnIn2S4) significantly promote the photocatalytic performance. Among them, the 0.5% Au/ZnIn2S4 nan ...
DOI:
10.1016/j.jhazmat.2018.12.093

17. Experimental and Mechanistic Understanding of Aldehyde Hydrogenation Using Au25 Nanoclusters with Lewis Acids: Unique Sites for Catalytic Reactions

Author:
Li Gao; Abroshan Hadi; Chen Yuxiang; Jin Rongchao; Kim Hyung J.
Source:
Journal of the American Chemical Society 2015 v.137 no.45 pp. 14295-14304
ISSN:
1520-5126
Subject:
Lewis acids; active sites; adsorption; ammonia; benzaldehyde; catalysts; catalytic activity; cobalt; copper; desorption; gold; hydrogenation; ionization; ions; ligands; mass spectrometry; nanoparticles; nickel; pyridines; ultraviolet-visible spectroscopy
Abstract:
... The catalytic activity of Au₂₅(SR)₁₈ nanoclusters (R = C₂H₄Ph) for the aldehyde hydrogenation reaction in the presence of a base, e.g., ammonia or pyridine, and transition-metal ions Mᶻ⁺, such as Cu⁺, Cu²⁺, Ni²⁺ and Co²⁺, as a Lewis acid is studied. The addition of a Lewis acid is found to significantly promote the catalytic activity of Au₂₅(SR)₁₈/CeO₂ in the hydrogenation of benzaldehyde and a nu ...
DOI:
10.1021/jacs.5b07716

18. Facile preparation of Pd/organoclay catalysts with high performance in solvent-free aerobic selective oxidation of benzyl alcohol

Author:
Hu Wang; Shao-Xin Deng; Zhu-Rui Shen; Jin-Gui Wang; Da-Tong Ding; Tie-Hong Chen
Source:
Green chemistry 2009 v.11 no.10 pp. 1499-1502
ISSN:
1463-9270
Subject:
ambient temperature; benzaldehyde; benzyl alcohol; catalysts; gold; green chemistry; nanoparticles; oxidation; palladium; platinum; quaternary ammonium compounds; ruthenium; surfactants
Abstract:
... A facile method to prepare Pd/organoclay catalysts was reported. At room temperature, in H₂PdCl₄ solution the quaternary ammonium surfactant modifiers intercalated in the organoclay adsorbed PdCl₄²⁻ specifically and quickly. After reduction at room temperature, Pd nanoparticles were formed and well-dispersed in the organoclay matrix. The Pd/organoclay catalysts were used in aerobic oxidation of be ...
DOI:
10.1039/b914039p

19. Formation of reusable Au-acetonitrile polymers and N-doped graphene catalyst under UV light via submerged liquid plasma process

Author:
Jaganathan Senthilnathan; Kodepelly Sanjeeva Rao; Wan-Hsien Lin; Jyh-Ming Ting; Masahiro Yoshimura
Source:
Journal of materials chemistry A 2015 v.3 no.6 pp. 3035-3043
ISSN:
2050-7496
Subject:
X-ray photoelectron spectroscopy; absorbance; acetonitrile; benzaldehyde; benzyl alcohol; catalysts; catalytic activity; glass; gold; graphene; liquids; nanogold; nanohybrids; nitrogen; oxidation; polymers; transmission electron microscopy; ultraviolet radiation
Abstract:
... In this study, acetonitrile polymers (ANPs) synthesized using a submerged liquid plasma (SLP) process were used for the direct reduction of Au³⁺ under ultraviolet (UV) light without the need for reducing or templating agents. Nitrogen-functionalized graphene (NFG) and ANPs, both synthesized via the SLP process were used to form a Au–ANPs–NFG nanohybrid. The pyridinic and pyrrolic nitrogen present ...
DOI:
10.1039/c4ta05586a

20. Gold(I)-Catalyzed Cycloisomerization–Dimerization Cascade of Benzene-Tethered 1,6-Enynes

Author:
Álvarez-Pérez Mónica; Frutos María; Viso Alma; Fernández de la Pradilla Roberto; de la Torre María C.; Sierra Miguel A.; Gornitzka Heinz; Hemmert Catherine
Source:
Journal of organic chemistry 2017 v.82 no.14 pp. 7546-7554
ISSN:
1520-6904
Subject:
ambient temperature; benzaldehyde; carbenes; catalysts; chemical structure; cycloaddition reactions; gold; organic chemistry; stereoselectivity
Abstract:
... An unprecedented stereoselective domino reaction of 1,6-enynes with an aryl ring at C3–C4 in the presence of gold(I) catalysts at low temperature is described. This process involves a novel 5-exo-dig cycloisomerization–dimerization sequence to afford formal Diels–Alder adducts that undergo a smooth gold-catalyzed double bond migration at room temperature. In addition, the first examples of the gol ...
DOI:
10.1021/acs.joc.7b01273

21. Gold(I)-catalyzed intramolecular [4 + 2] cycloaddition of ortho-(N-tethered 1,6-diynyl)benzaldehydes to 3,4-dihydrobenzo[f]isoquinolin-1(2H)-ones

Author:
Jiankai Zhong; Rui Hu; Jingjing Sang; Weidong Rao
Source:
Tetrahedron letters 2020 v.61 no.31 pp. 152200
ISSN:
0040-4039
Subject:
Grignard reagents; X-ray diffraction; benzaldehyde; catalysts; cycloaddition reactions; gold
Abstract:
... An efficient synthetic method to prepare 3,4-dihydrobenzo[f]isoquinolin-1(2H)-ones through gold(I)-catalyzed intramolecular [4 + 2] benzannulation of o-(N-tethered 1,6-diynyl)benzaldehydes at a low catalyst loading of 2 mol% is described. The product of 3,4-dihydrobenzo[f]isoquinolin-1(2H)-ones can be easily transformed to benzo[f]isoquinolin-1-ols by simply treating with phenylmagnesium bromide u ...
DOI:
10.1016/j.tetlet.2020.152200

22. Gold(i) or gold(iii) as active species in AuCl₃-catalyzed cyclization/cycloaddition reactions? A DFT study

Author:
Bernd F. Straub
Source:
Chemical communications 2004 v. no.15 pp. 1726-1728
ISSN:
1364-548X
Subject:
benzaldehyde; catalysts; catalytic activity; cycloaddition reactions; gold
Abstract:
... In a B3LYP mechanistic study, AuCl and AuCl₃ catalysts feature similar overall barriers for a reaction sequence of 2-ethynyl benzaldehyde and ethyne to 1-naphthyl carbaldehyde, comprising cyclization, [3+2] cycloaddition, and two rearrangements. ...
DOI:
10.1039/b404876h

23. Gold-catalyzed annulations of N-aryl ynamides with benzisoxazoles to construct 6H-indolo[2,3-b]quinoline cores

Author:
Meng-Han Tsai; Cheng-Yu Wang; Antony Sekar Kulandai Raj; Rai-Shung Liu
Source:
Chemical communications 2018 v.54 no.77 pp. 10866-10869
ISSN:
1364-548X
Subject:
Lewis bases; alkaloids; benzaldehyde; carbenes; chemical reactions; gold; indoles; quinoline
Abstract:
... This work reports new annulations of N-aryl ynamides with benzisoxazoles to form 6H-indolo[2,3-b]quinoline derivatives. The synthetic utility of this new method is manifested by its applicability to access naturally occurring alkaloids including norcryptotackeine, neocryptolepine and 11-methylneocryptol-epine. Our experimental data indicate that high-temperature conditions allow N-aryl nucleophile ...
DOI:
10.1039/c8cc04264k

24. Green and Direct Synthesis of Benzaldehyde and Benzyl Benzoate in One Pot

Author:
Mina Ghahremani; Rosaria Ciriminna; Valerica Pandarus; Antonino Scurria; Valeria La Parola; Francesco Giordano; Giuseppe Avellone; Francois Béland; Babak Karimi; Mario Pagliaro
Source:
ACS sustainable chemistry & engineering 2018 v.6 no.11 pp. 15441-15446
ISSN:
2168-0485
Subject:
benzaldehyde; benzyl alcohol; benzyl benzoate; catalysts; gold; nanogold; oxidants; oxygen; porous media
Abstract:
... High yields of valued benzaldehyde and benzyl benzoate are obtained in one pot starting from benzyl alcohol using oxygen as only oxidant under mild conditions (2 bar O₂, 100 °C) along with an ultralow amount (0.02 mol %) of Au nanoparticles heterogenized over a spherical ORMOSIL mesoporous support. The process is remarkably selective and the catalyst is stable. ...
DOI:
10.1021/acssuschemeng.8b03893

25. Highly active gold-based catalyst for the reaction of benzaldehyde with ethyl diazoacetate

Author:
Manuel R. Fructos; M. Mar Díaz-Requejo; Pedro J. Pérez
Source:
Chemical communications 2009 v. no.34 pp. 5153-5155
ISSN:
1364-548X
Subject:
benzaldehyde; catalysts; catalytic activity; chemical communication; chemical reactions; gold
Abstract:
... The gold complex [IPrAu(NCMe)]BF₄ catalyzes the reaction of ethyl diazoacetate with benzaldehyde to give mixtures of ethyl 3-oxo-3-phenylpropanoate and ethyl 3-hydroxy-2-phenylacrylate in the first example of a group 11 metal-based catalyst for this transformation; the catalyst activity is improved by a factor of 2500 compared to those of previously reported iron-based catalysts. ...
DOI:
10.1039/b908233f

26. Highly efficient visible-light-driven photoelectro-catalytic selective aerobic oxidation of biomass alcohols to aldehydes

Author:
Yajun Zhang; Guohua Zhao; Yanan Zhang; Xiaofeng Huang
Source:
Green chemistry 2014 v.16 no.8 pp. 3860-3869
ISSN:
1463-9270
Subject:
benzaldehyde; benzyl alcohol; biomass; cathodes; ceric oxide; electrochemistry; electrons; gold; green chemistry; irradiation; light; nanoparticles; oxidation; oxygen; photocatalysis; titanium dioxide
Abstract:
... A green and highly efficient visible-light-driven synergistic photoelectrochemical (PEC) catalysis system was systematically demonstrated for selective oxidation of biomass alcohols to the corresponding aldehydes in an O₂ atmosphere under the mild conditions by employing the Au/CeO₂–TiO₂ NTs as photocathodes. Results showed that the conversion of benzyl alcohols was as high as 98% and the selectiv ...
DOI:
10.1039/c4gc00454j

27. Highly selective aerobic oxidation of biomass alcohol to benzaldehyde by an in situ doped Au/TiO₂ nanotube photonic crystal photoanode for simultaneous hydrogen production promotion

Author:
Zhongyi Wu; Jie Wang; Zhaoyu Zhou; Guohua Zhao
Source:
Journal of materials chemistry A 2017 v.5 no.24 pp. 12407-12415
ISSN:
2050-7496
Subject:
benzaldehyde; benzyl alcohol; biomass; cathodes; crystals; energy; fuels; gold; hydrogen; hydrogen production; models; nanogold; nanotubes; oxidation; oxygen; photocatalysis; photons; photovoltaic cells; renewable energy sources
Abstract:
... Photoelectrocatalytic conversion of biomass and its derivatives is a very significant and promising strategy for energy production. The selective oxidation of biomass alcohol to the corresponding aldehydes is an important class of biomass conversion reactions. In this study, a Z-scheme type solar-driven dual photoelectrode photoelectrochemical cell was used for the simultaneous selective oxidation ...
DOI:
10.1039/c7ta03252h

28. Identification and Detection of Volatile Aldehydes as Lung Cancer Biomarkers by Vapor Generation Combined with Paper-Based Thin-Film Microextraction

Author:
Zhaoping Xia; Dan Li; Wei Deng
Source:
Analytical chemistry 2021 v.93 no.11 pp. 4924-4931
ISSN:
1520-6882
Subject:
Raman spectroscopy; analytical chemistry; benzaldehyde; biomarkers; coordination polymers; electrostatic interactions; fluorescence; gold; human resources; lung neoplasms; microextraction; moieties; nanorods; point-of-care systems; quantum dots; schiff bases; vapors; volatile organic compounds
Abstract:
... Accurate, sensitive, and selective on-spot screening of volatile aldehydes as lung cancer biomarkers is of vital significance for preclinical diagnosis and treatment guidance of cancers. However, the common methods of sensing biomarkers are limited by the fact that they are time-consuming, require professional personnel, and have complex matrixes. Here, we developed a smart vapor generation paper- ...
DOI:
10.1021/acs.analchem.0c05348

29. Laser-driven heterogeneous catalysis: efficient amide formation catalysed by Au/SiO₂ systems

Author:
Antonio Pineda; Leyre Gomez; Alina M. Balu; Victor Sebastian; Manuel Ojeda; Manuel Arruebo; Antonio A. Romero; Jesus Santamaria; Rafael Luque
Source:
Green chemistry 2013 v.15 no.8 pp. 2043-2049
ISSN:
1463-9270
Subject:
absorbance; ambient temperature; benzaldehyde; catalytic activity; gold; green chemistry; morpholine; nanogold; nanoparticles; oxidation; silica
Abstract:
... A proof of concept of laser-assisted heterogeneously catalysed processes at room temperature using silica supported gold nanoparticles is reported. Au/SiO₂ nanoparticles were laser-irradiated at 532 nm (SPR maximum absorbance) to catalyse the selected reaction, namely the production of 4-benzoylmorpholine from benzaldehyde and morpholine via amide formation, for which quantitative yields to the ta ...
DOI:
10.1039/c3gc40166a

30. Microstructured Au/Ni-fiber catalyst: Galvanic reaction preparation and catalytic performance for low-temperature gas-phase alcohol oxidation

Author:
Guofeng Zhao; Miaomiao Deng; Yifeng Jiang; Huanyun Hu; Jun Huang; Yong Lu
Source:
Journal of catalysis 2013 v.301 no. pp. 46-53
ISSN:
0021-9517
Subject:
air; benzaldehyde; benzyl alcohol; catalysts; catalytic activity; gold; heat; oxidation; synergism
Abstract:
... The highly active and selective gold catalysts were successfully prepared by galvanically depositing Au onto a thin-sheet microfibrous structure consisting of 5vol.% 8-μm Ni-fiber and 95vol.% voidage, with high heat conductivity and good stability for the gas-phase oxidation of alcohols. The best catalyst was Au-4/Ni-fiber-300 (Au-loading: 4wt%; calcined at 300°C in air), being effective for oxidi ...
DOI:
10.1016/j.jcat.2013.01.020

31. Nanostructured films of in situ deprotected thioacetyl-functionalized C₆₀-fullerenes on a gold surface

Author:
Piotr Piotrowski; Joanna Pawłowska; Jan Pawłowski; Agnieszka Więckowska; Renata Bilewicz; Andrzej Kaim
Source:
Journal of materials chemistry A 2014 v.2 no.7 pp. 2353-2362
ISSN:
2050-7496
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; atomic force microscopy; benzaldehyde; catalytic activity; chemical reduction; density functional theory; dielectric spectroscopy; electrochemistry; electrodes; electrospray ionization mass spectrometry; fullerene; gold; halogenated hydrocarbons; nanogold; nuclear magnetic resonance spectroscopy; solvents
Abstract:
... A series of thioacetyl-functionalized fullerene-C₆₀ derivatives were synthesized using the Prato reaction of fullerene-C₆₀ with six different 4-(S-acetylthioalkyl)benzaldehydes. The structures of the synthesized compounds were characterized by FT-IR, ¹H NMR and ESI-MS techniques. The LUMO–HOMO band gaps, derived from DFT B3LYP/6-31G* calculations, for the azomethine ylides corresponding to each 4- ...
DOI:
10.1039/c3ta13844e

32. New Reaction Pathway Induced by Plasmon for Selective Benzyl Alcohol Oxidation on BiOCl Possessing Oxygen Vacancies

Author:
Li Hao; Qin Feng; Yang Zhiping; Cui Ximin; Wang Jianfang; Zhang Lizhi
Source:
Journal of the American Chemical Society 2017 v.139 no.9 pp. 3513-3521
ISSN:
1520-5126
Subject:
benzaldehyde; benzyl alcohol; catalysts; electrons; gold; green chemistry; oxidants; oxidation; oxygen; superoxide anion; synergism
Abstract:
... Selective organic transformation under mild conditions constitutes a challenge in green chemistry, especially for alcohol oxidation, which typically requires environmentally unfriendly oxidants. Here, we report a new plasmonic catalyst of Au supported on BiOCl containing oxygen vacancies. It photocatalyzes selective benzyl alcohol oxidation with O₂ under visible light through synergistic action of ...
DOI:
10.1021/jacs.6b12850

33. One-Step Synthesis of Highly Efficient Nanocatalysts on the Supports with Hierarchical Pores Using Porous Ionic Liquid-Water Gel

Author:
Kang Xinchen; Zhang Jianling; Shang Wenting; Wu Tianbin; Zhang Peng; Han Buxing; Wu Zhonghua; Mo Guang; Xing Xueqing
Source:
Journal of the American Chemical Society 2014 v.136 no.10 pp. 3768-3771
ISSN:
1520-5126
Subject:
benzaldehyde; benzene; benzyl alcohol; catalysts; copper; cyclohexanes; esterification; gels; gold; hydrogenation; inorganic salts; macropores; oxidation; polyacrylamide; porosity
Abstract:
... Stable porous ionic liquid-water gel induced by inorganic salts was created for the first time. The porous gel was used to develop a one-step method to synthesize supported metal nanocatalysts. Au/SiO₂, Ru/SiO₂, Pd/Cu(2-pymo)₂ metal–organic framework (Cu-MOF), and Au/polyacrylamide (PAM) were synthesized, in which the supports had hierarchical meso- and macropores, the size of the metal nanocataly ...
DOI:
10.1021/ja5001517

34. Operando Raman-online FTIR investigation of ceria, vanadia/ceria and gold/ceria catalysts for toluene elimination

Author:
Qingyue Wang; King Lun Yeung; Miguel A. Bañares
Source:
Journal of catalysis 2018 v.364 pp. 80-88
ISSN:
0021-9517
Subject:
Bronsted acids; Fourier transform infrared spectroscopy; active sites; adsorption; benzaldehyde; byproducts; carbon dioxide; catalysts; catalytic activity; ceric oxide; cerium; combustion; gold; ions; oxygen; reactive oxygen species; temperature; toluene; vanadium
Abstract:
... Toluene oxidation on three ceria catalysts, CeO₂, VOₓ/CeO₂ and Au/CeO₂, was investigated by an operando Raman-online FTIR reactor cell. The reactive surface oxygen sites were preferred sites for vanadium and gold deposition. The deposited vanadium existed as V⁵⁺, while most of the gold was in Au⁺ state and roughly a third of ceria was in the reduced Ce³⁺ state. The Au/CeO₂ and CeO₂ catalysts (T₅₀∗ ...
DOI:
10.1016/j.jcat.2018.05.001

35. Optimization of plasmon-induced photocatalysis in electrospun Au/CeO2 hybrid nanofibers for selective oxidation of benzyl alcohol

Author:
Benxia Li; Baoshan Zhang; Shibin Nie; Liangzhi Shao; Luyang Hu
Source:
Journal of catalysis 2017 v.348 pp. 256-264
ISSN:
0021-9517
Subject:
absorption; air; benzaldehyde; benzyl alcohol; ceric oxide; electric current; gold; green chemistry; lighting; nanofibers; nanogold; oxidation; oxygen; particle size; photocatalysis; photocatalysts
Abstract:
... Exploiting photocatalysts with improved properties for solar-driven chemical reactions is of great significance in developing green chemistry. Here, a series of Au/CeO2 hybrid nanofibers with different Au loadings have been fabricated by a simple method of electrospinning followed by calcination in air. The particle size and plasmonic absorption of Au nanoparticles (NPs) loaded in the nanofibers w ...
DOI:
10.1016/j.jcat.2016.12.025

36. Optimizing Pd and Au-Pd decorated Bi2WO6 ultrathin nanosheets for photocatalytic selective oxidation of aromatic alcohols

Author:
Renshan Wang; Benxia Li; Yi Xiao; Xueqin Tao; Xintai Su; Xiaoping Dong
Source:
Journal of catalysis 2018 v.364 pp. 154-165
ISSN:
0021-9517
Subject:
absorption; alcohols; benzaldehyde; free radicals; gold; nanoparticles; nanosheets; oxidation; palladium; photocatalysis; photocatalysts; semiconductors; superoxide anion
Abstract:
... Ultrathin semiconductor nanosheets decorated with metallic nanoparticles (NPs) are promising in photocatalysis due to the multi-component interactions. The materials with a series of monometallic Pd and bimetallic Au-Pd NPs anchored on Bi₂WO₆ ultrathin nanosheets were synthesized and developed as photocatalysts for selective oxidation of aromatic alcohols to aromatic aldehyde. By optimizing the me ...
DOI:
10.1016/j.jcat.2018.05.015

37. Oxidation of Benzyl Alcohol over Nanoporous Au–CeO2 Catalysts Prepared from Amorphous Alloys and Effect of Alloying Au with Amorphous Alloys

Author:
Ai Nozaki; Tasuku Yasuoka; Yasutaka Kuwahara; Tetsutaro Ohmichi; Kohsuke Mori; Takeshi Nagase; Hiroyuki Y. Yasuda; Hiromi Yamashita
Source:
Industrial & engineering chemistry process design and development 2018 v.57 no.16 pp. 5599-5605
ISSN:
1520-5045
Subject:
X-ray photoelectron spectroscopy; alloys; benzaldehyde; benzyl alcohol; catalysts; catalytic activity; ceric oxide; gold; nanogold; nanopores; oxidants; oxidation; oxygen; process design; surface area
Abstract:
... Au–CeO₂ catalysts are prepared from amorphous Ce–Al alloys by the dealloying method, and their catalytic performances are examined in the oxidation of benzyl alcohol to benzaldehyde using O₂ as an oxidant. The catalytic activity of the Au–CeO₂ catalysts is improved using an amorphous alloy as a precursor, and further improved activity is attained by directly alloying Au with Ce–Al rather than by d ...
DOI:
10.1021/acs.iecr.8b00927

38. Oxidation of benzyl alcohol catalyzed by gold nanoparticles under alkaline conditions: weak vs. strong bases

Author:
Camila P. Ferraz; Marco Aurélio S. Garcia; Érico Teixeira-Neto; Liane M. Rossi
Source:
RSC advances 2016 v.6 no.30 pp. 25279-25285
ISSN:
2046-2069
Subject:
acetates; benzaldehyde; benzoic acid; benzyl alcohol; benzyl benzoate; catalytic activity; cyclohexanes; gold; nanogold; oxidation; potassium carbonate; reaction mechanisms; sodium; sodium hydroxide; titanium dioxide
Abstract:
... Gold nanoparticles have shown excellent catalytic properties in selective oxidation of alcohols in the presence of base; however, the influence of the nature and concentration of the base on gold catalyst activity and selectivity is not completely understood. We here present a study of the effect of using weak and strong bases on the conversion and selectivity of PVA-stabilized gold nanoparticles ...
DOI:
10.1039/c6ra01795a

39. P123-stabilized Au–Ag alloy nanoparticles for kinetics of aerobic oxidation of benzyl alcohol in aqueous solution

Author:
Xuemin Huang; Xueguang Wang; Xiaoshu Wang; Xinxing Wang; Mingwu Tan; Weizhong Ding; Xionggang Lu
Source:
Journal of catalysis 2013 v.301 no. pp. 217-226
ISSN:
0021-9517
Subject:
X-ray photoelectron spectroscopy; activation energy; alloys; aqueous solutions; benzaldehyde; benzyl alcohol; catalytic activity; gold; nanoparticles; oxidation; reaction kinetics; sodium carbonate; transmission electron microscopy
Abstract:
... Colloidal Au–Ag alloy nanoparticles with various Ag/Au molar ratios were first prepared by a co-reduction method in P123 aqueous solution and characterized by UV–vis, TEM, and XPS. The prepared Au–Ag alloy nanoparticles were substantially stable and had comparable particle sizes (3–4nm) for aerobic oxidation kinetics of benzyl alcohol. The addition of Ag not only significantly enhanced the reactio ...
DOI:
10.1016/j.jcat.2013.02.011

40. Phenyl Ring Transfer Mechanism of Styrene Selective Oxidation to Phenyl Acetaldehyde on Gold Catalysts from Density Functional Theory (DFT) Studies

Author:
Xiaomei Zhao; Pu Wang; Zhongyun Ma; Yong Pei
Source:
Journal of physical chemistry 2018 v.123 no.3 pp. 1710-1719
ISSN:
1932-7455
Subject:
acetaldehyde; benzaldehyde; catalysts; density functional theory; gases; gold; hydrogen; models; moieties; oxidation; reaction mechanisms; styrene
Abstract:
... Olefin selective oxidation is one of the most important reactions in the modern chemical industry. In this work, we systematically studied the reaction mechanism of styrene selective oxidation to benzaldehyde, styrene epoxide, and phenyl acetaldehyde on various model O atom preadsorbed gas-phase gold clusters AuNq (N = 16, 28, 34, 55; q = 0, ±1) and flat Au(111) surfaces by means of density functi ...
DOI:
10.1021/acs.jpcc.8b08790

41. Secondary Phosphine Oxide Functionalized Gold Clusters and Their Application in Photoelectrocatalytic Hydrogenation Reactions

Author:
Yu Wang; Xiao-He Liu; Rongbin Wang; Beatrice Cula; Zhe-Ning Chen; Qingyun Chen; Norbert Koch; Nicola Pinna
Source:
Journal of the American Chemical Society 2021 v.143 no.25 pp. 9595-9600
ISSN:
1520-5126
Subject:
Lewis bases; benzaldehyde; bismuth oxide; cathodes; density functional theory; gold; hydrogenation; ligands; models; new family; phosphine; phosphorus; photocatalysis; photosensitivity; semiconductors
Abstract:
... Ligands in ligand-protected metal clusters play a crucial role, not only because of their interaction with the metal core, but also because of the functionality they provide to the cluster. Here, we report the utilization of secondary phosphine oxide (SPO), as a new family of functional ligands, for the preparation of an undecagold cluster Au11-SPO. Different from the commonly used phosphine ligan ...
DOI:
10.1021/jacs.1c04048

42. Selective hydrogenation of benzoic acid over Au supported on CeO2 and Ce0.62Zr0.38O2: Formation of benzyl alcohol

Author:
Noémie Perret; Xiaodong Wang; Juan J. Delgado; Ginesa Blanco; Xiaowei Chen; Carol M. Olmos; Serafin Bernal; Mark A. Keane
Source:
Journal of catalysis 2014 v.317 pp. 114-125
ISSN:
0021-9517
Subject:
X-ray photoelectron spectroscopy; adsorption; benzaldehyde; benzoic acid; benzyl alcohol; cations; ceric oxide; cerium; gases; gold; hydrogen; hydrogenation; kinetics; nanogold; oxygen; toluene; zirconium
Abstract:
... The gas-phase hydrogenation of benzoic acid was studied over Au supported on CeO2 and Ce0.62Zr0.38O2 (CZ). HAADF-STEM has established formation of nanoscale (mean=1.5–2nm) Au particles, which is consistent with CO adsorption measurements. Incorporation of Au facilitated partial support reduction during TPR to 573K where the presence of Zr increased oxygen mobility, resulting in a greater degree of ...
DOI:
10.1016/j.jcat.2014.06.010

43. Skeletal Au prepared from Au–Zr amorphous alloys with controlled atomic compositions and arrangement for active oxidation of benzyl alcohol

Author:
Ai Nozaki; Yasutomo Tanihara; Yasutaka Kuwahara; Tetsutaro Ohmichi; Kohsuke Mori; Takeshi Nagase; Hiroyuki Y. Yasuda; Christophe Calers; Catherine Louis; Hiromi Yamashita
Source:
Journal of materials chemistry A 2016 v.4 no.21 pp. 8458-8465
ISSN:
2050-7496
Subject:
activation energy; active sites; alloys; benzaldehyde; benzyl alcohol; catalysts; catalytic activity; gold; moieties; nanogold; nanopores; oxidants; oxidation; oxygen; surface area; zirconium; zirconium oxide
Abstract:
... Skeletal (nanoporous) gold catalysts were prepared from Au–Zr amorphous alloys by immersion in HF solution to extract Zr moieties. The catalytic performance of the skeletal Au catalyst for the oxidation of benzyl alcohol to benzaldehyde was examined using O₂ as an oxidant. The amount of benzaldehyde formed over skeletal Au treated with HF solution for 1 h was the highest among the prepared samples ...
DOI:
10.1039/c6ta01963c

44. Solvent-free selective oxidation of benzyl alcohol by molecular oxygen over uranium oxide supported nano-gold catalyst for the production of chlorine-free benzaldehyde

Author:
Vasant R. Choudhary; Rani Jha; Prabhas Jana
Source:
Green chemistry 2007 v.9 no.3 pp. 267-272
ISSN:
1463-9270
Subject:
benzaldehyde; benzyl alcohol; benzyl benzoate; catalysts; dimethyl sulfoxide; gold; green chemistry; nanogold; oxidation; oxygen; particle size; solvents; temperature; uranium; xylene
Abstract:
... A detailed investigation on the production of chlorine-free benzaldehyde in the solvent-free oxidation of benzyl alcohol by O₂ over nano-gold supported on U₃O₈ has been carried out. Influence of different catalyst parameters (different methods of gold deposition on U₃O₈, gold loading and particle size, and catalyst calcination temperature) and reaction conditions (reaction period and temperature) ...
DOI:
10.1039/b608304h

45. Spontaneous Redox Approach to the Self-Assembly Synthesis of Au/CeO₂ Plasmonic Photocatalysts with Rich Oxygen Vacancies for Selective Photocatalytic Conversion of Alcohols

Author:
Zhiqing Cui; Weikang Wang; Cuijiao Zhao; Chun Chen; Miaomiao Han; Guozhong Wang; Yunxia Zhang; Haimin Zhang; Huijun Zhao
Source:
ACS applied materials & interfaces 2018 v.10 no.37 pp. 31394-31403
ISSN:
1944-8252
Subject:
active sites; ambient temperature; benzaldehyde; benzyl alcohol; ceric oxide; gold; ketones; nanogold; nanoparticles; nitrates; oxidation; oxygen; photocatalysis; photocatalysts; superoxide anion
Abstract:
... We present the self-assembly synthesis of core–shell structure Au/CeO₂ composites with different Au loadings through a spontaneous chemical redox approach at an ambient temperature utilizing HAuCl₄ and Ce(NO₃)₃ as reaction substrates in an alkaline environment. The results demonstrate that the as-synthesized Au/CeO₂ composites exhibit spherical shape morphologies with porous structures, composed o ...
DOI:
10.1021/acsami.8b10705

46. Supported Sub-Nanometer Gold Cluster Catalyzed Transfer Hydrogenation of Aldehydes to Alcohols

Author:
Bhattacharjee Rameswar; Datta Ayan
Source:
The Journal of Physical Chemistry C 2016 v.120 no.42 pp. 24449-24456
ISSN:
1932-7455
Subject:
activation energy; benzaldehyde; benzyl alcohol; carbon-hydrogen bond activation; catalytic activity; chemical bonding; cleavage (chemistry); gold; hydrogenation; solvents; titanium dioxide
Abstract:
... The ability of subnanometer sized Au-clusters to activate small molecule is well-known. Nevertheless, typical experimental situations involve loading of the bare Auₙ (n < 10) on oxide surfaces. Recent plethora of literature indicate that supported gold clusters are extremely potent in catalyzing molecular transformation. In this work, we examine the role of the supporting substrate namely TiO₂(110 ...
DOI:
10.1021/acs.jpcc.6b07520

47. Synthesis of BiVO4 nanoflakes decorated with AuPd nanoparticles as selective oxidation photocatalysts

Author:
Xueqin Tao; Liangzhi Shao; Renshan Wang; Hongping Xiang; Benxia Li
Source:
Journal of colloid and interface science 2019 v.541 pp. 300-311
ISSN:
0021-9797
Subject:
alcohols; benzaldehyde; gold; nanogold; nanoparticles; oxidation; palladium; photocatalysis; photocatalysts; superoxide anion; synergism
Abstract:
... The ultrathin BiVO4 nanoflakes decorated with Pd and AuPd nanoparticles (NPs) were respectively synthesized and optimized for the enhanced photocatalysis towards selective oxidation of aromatic alcohols. The monometallic Pd(x)-BiVO4 samples presented hump-like variation in the photocatalytic activity with increasing Pd amount (x) from 0 to 2.0 wt%. Subsequently, coupling Au with Pd on BiVO4 nanofl ...
DOI:
10.1016/j.jcis.2019.01.108

48. The oxamate route, a versatile post-functionalization for metal incorporation in MIL-101(Cr): Catalytic applications of Cu, Pd, and Au

Author:
Jana Juan-Alcañiz; Jesús Ferrando-Soria; Ignacio Luz; Pablo Serra-Crespo; Emmanuel Skupien; Vera P. Santos; Emilio Pardo; Francesc X. Llabrés i Xamena; Freek Kapteijn; Jorge Gascon
Source:
Journal of catalysis 2013 v.307 no. pp. 295-304
ISSN:
0021-9517
Subject:
gold; nanogold; chelating agents; copper; leaching; palladium; esterification; transmission electron microscopy; oxidation; chromium; catalytic activity; nanoparticles; benzaldehyde; adsorption
Abstract:
... A new consecutive post-functionalization method has been developed for the inclusion of additional metal functionalities in Metal Organic Frameworks (MOFs) through oxamate as chelating agent. This may result in catalytic centers of metal–organic complexes or in controlled formation of metal nanoparticles, demonstrated for Cu, Pd and Au, in the highly stable MIL-101(Cr) framework. In a first post-s ...
DOI:
10.1016/j.jcat.2013.08.001