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Journal of colloid and interface science
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2020
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iron
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- Author:
- Wang, Yangyang; Zhao, Donglin; Feng, Shaojie; Chen, Yan; Xie, Rong
- Source:
- Journal of colloid and interface science 2020 v.580 pp. 345-353
- ISSN:
- 0021-9797
- Subject:
- X-ray diffraction; adsorption; ammonium thiocyanate; aqueous solutions; chromium; graphene oxide; iron; models; pollution; polymerization; remediation; sodium borohydride; transmission electron microscopy
- Abstract:
- ... In this study, ammonium thiocyanate functionalized graphene oxide (ATGO)-supported nanoscale zero-valent iron composite (ATGO-nZVI) employed to extract Cr(VI) from aqueous solution, was successfully synthesized by chemical oxidative polymerization and sodium borohydride reduction method. Characteristics of X-ray diffraction and high-resolution transmission electron microscopy confirmed the high di ...
- DOI:
- 10.1016/j.jcis.2020.07.016
- https://dx.doi.org/10.1016/j.jcis.2020.07.016
- Author:
- Yu, Jun; Cao, Jiao; Yang, Zhaohui; Xiong, Weiping; Xu, Zhengyong; Song, Peipei; Jia, Meiying; Sun, Saiwu; Zhang, Yanru; Zhu, Juan
- Source:
- Journal of colloid and interface science 2020 v.580 pp. 470-479
- ISSN:
- 0021-9797
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; active sites; anions; aqueous solutions; catalysts; catalytic activity; electron paramagnetic resonance spectroscopy; endothermy; free radicals; humic acids; iron; liquid chromatography; manganese; mass spectrometry; pH; scanning electron microscopy; sulfates; tetracycline; thermodynamics; wastewater; wastewater treatment
- Abstract:
- ... Herein, Mn-doped MIL-53(Fe) were fabricated via one-pot solvothermal method and used for peroxymonosulfate (PMS) activation towards tetracycline (TC) degradation from aqueous solution. The characterizations of SEM, FTIR and XRD were utilized to reveal the morphology and structure of the materials. The results showed that Mn-MIL-53(Fe)-0.3 displayed the optimal catalytic performance, the removal ef ...
- DOI:
- 10.1016/j.jcis.2020.07.045
- https://dx.doi.org/10.1016/j.jcis.2020.07.045
- Author:
- Xue, Nan; Liu, Jing; Wang, Pengyuan; Wang, Chunyan; Li, Sen; Zhu, Hui; Yin, Jiao
- Source:
- Journal of colloid and interface science 2020 v.580 pp. 460-469
- ISSN:
- 0021-9797
- Subject:
- X-ray diffraction; X-ray photoelectron spectroscopy; active sites; ammonia; carbon; catalysts; cost effectiveness; electrochemistry; iron; methanol; nanoparticles; platinum; pyrolysis; renewable energy sources; transmission electron microscopy; walnut hulls
- Abstract:
- ... Reasonable design and scalable preparation of low-cost, effective and durable electro-catalysts as substitutes to expensive Pt-derived catalysts for oxygen reduction reaction (ORR) is highly desired toward the progress of future sustainable energy storage devices. In this work, we scalably prepare a highly active ORR electrocatalyst which consists of both Fe₃N nanoparticles and Fe-N-C active sites ...
- DOI:
- 10.1016/j.jcis.2020.07.005
- https://dx.doi.org/10.1016/j.jcis.2020.07.005
- Author:
- He, Yanying; Dong, Wenbo; Li, Xiaopei; Wang, Dongbo; Yang, Qi; Deng, Pin; Huang, Jin
- Source:
- Journal of colloid and interface science 2020 v.574 pp. 364-376
- ISSN:
- 0021-9797
- Subject:
- X-ray diffraction; X-ray photoelectron spectroscopy; coordination polymers; energy; free radicals; indium; iron; irradiation; light; photocatalysis; photocatalysts; remediation; scanning electron microscopes; semiconductors; sulfides; tetracycline; transmission electron microscopes; wastewater
- Abstract:
- ... Iron-based metal–organic frameworks (MOFs) with low cost and excellent photocatalytic potential are extremely attractive in the field of energy utilization and environmental remediation. In this study, a novel In₂S₃/MIL-100(Fe) photocatalyst was successfully synthesized by a facile solvothermal method for the first time. Several technologies (such as X-ray diffraction, scanning electron microscope ...
- DOI:
- 10.1016/j.jcis.2020.04.075
- https://dx.doi.org/10.1016/j.jcis.2020.04.075
- Author:
- Chen, Yaoning; Zeng, Ziping; Li, Yuanping; Liu, Yihuan; Chen, Yanrong; Wu, Yanxin; Zhang, Jiachao; Li, Hui; Xu, Ran; Wang, Sha; Peng, Zhen
- Source:
- Journal of colloid and interface science 2020 v.573 pp. 287-298
- ISSN:
- 0021-9797
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; carbon; catalysts; coprecipitation; glucose; hydrogen peroxide; iron; manganese; moieties; oxidation; particle size; pollutants; potassium permanganate; surface area; tetracycline; transmission electron microscopy
- Abstract:
- ... In this work, iron-manganese binary oxides (FMO) modified with different proportions of glucose addition (FMOCx) by co-precipitation method showed good activity in activating hydrogen peroxide (H₂O₂) for tetracycline degradation. The structure and surface characterizations of the FMO and FMOCx were measured by XRD, FTIR, TEM, BET and XPS. With increased glucose addition, FMOCx has more surface fun ...
- DOI:
- 10.1016/j.jcis.2020.04.006
- https://dx.doi.org/10.1016/j.jcis.2020.04.006
6. Imprinting isolated single iron atoms onto mesoporous silica by templating with metallosurfactants
- Author:
- Berro, Y.; Gueddida, S.; Bouizi, Y.; Bellouard, C.; Bendeif, El-E.; Gansmuller, A.; Celzard, A.; Fierro, V.; Ihiawakrim, D.; Ersen, O.; Kassir, M.; El Haj Hassan, F.; Lebegue, S.; Badawi, M.; Canilho, N.; Pasc, A.
- Source:
- Journal of colloid and interface science 2020 v.573 pp. 193-203
- ISSN:
- 0021-9797
- Subject:
- X-ray diffraction; active sites; catalysts; catalytic activity; hot water treatment; iron; magnetic properties; magnetism; micelles; nanomaterials; nitrogen; nonionic surfactants; nuclear magnetic resonance spectroscopy; oxidation; polymerization; porous media; salts; silica; sorption isotherms; texture; transmission electron microscopy
- Abstract:
- ... One of the main drawbacks of metal-supported materials, traditionally prepared by the impregnation of metal salts onto pre-synthesized porous supports, is the formation of large and unevenly dispersed particles. Generally, the larger are the particles, the lower is the number of catalytic sites. Maximum atom exposure can be reached within single-atom materials, which appear therefore as the next g ...
- DOI:
- 10.1016/j.jcis.2020.03.095
- https://dx.doi.org/10.1016/j.jcis.2020.03.095
- Author:
- Potsi, Georgia; Wu, Jiquan; Portale, Giuseppe; Gengler, Regis Y.N.; Longo, Alessandro; Gournis, Dimitrios; Rudolf, Petra
- Source:
- Journal of colloid and interface science 2020 v.572 pp. 207-215
- ISSN:
- 0021-9797
- Subject:
- X-ray absorption spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; copper; electronic equipment; films (materials); iron; magnetism; metal ions; nanomaterials; silsesquioxanes; wide-angle X-ray scattering
- Abstract:
- ... Incorporation of isolated metal centers into well-organized nanostructures is a promising route in the development of the next generation of chemical, magnetic and electronic devices. In this work, a layer-by-layer protocol to grow highly ordered thin films of metal-decorated organic-inorganic cage-like polyhedral oligomeric silsesquioxane (POSS) is introduced. The key strategy is to use metal ion ...
- DOI:
- 10.1016/j.jcis.2020.03.033
- https://dx.doi.org/10.1016/j.jcis.2020.03.033
- Author:
- Falyouna, Omar; Eljamal, Osama; Maamoun, Ibrahim; Tahara, Atsushi; Sugihara, Yuji
- Source:
- Journal of colloid and interface science 2020 v.571 pp. 66-79
- ISSN:
- 0021-9797
- Subject:
- X-ray diffraction; adsorbents; adsorption; aqueous solutions; cations; cesium radioisotopes; crystal structure; groundwater; iron; magnetism; models; pH; salinity; scanning electron microscopy; seawater; sorption isotherms; temperature; water pollution; zeolites
- Abstract:
- ... Radioactive cesium was resealed to the environment as a result of many nuclear incidents. An effective treatment system is urgently needed to safely handle radioactive cesium-contaminated waters. Based on nanoscale zerovalent iron (nZVI) and zeolite, nine adsorbents were synthesized and applied to remove cesium from aqueous solutions. Magnetic zeolite composite (Ze/Fe⁰) was selected as the ideal a ...
- DOI:
- 10.1016/j.jcis.2020.03.028
- https://dx.doi.org/10.1016/j.jcis.2020.03.028
- Author:
- Zhang, Han; Zhang, Junhua
- Source:
- Journal of colloid and interface science 2020 v.569 pp. 254-266
- ISSN:
- 0021-9797
- Subject:
- Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray diffraction; adsorption; aerogels; aqueous solutions; carbon nanotubes; freeze drying; hydrophobicity; iron; nanoparticles; polyvinyl alcohol; scanning electron microscopy; solvents; thermal stability; transmission electron microscopy; ultraviolet-visible spectroscopy; vapors
- Abstract:
- ... In this paper, a novel PVA-based polymer nanoparticles/carbon nanotubes (PNP/CNTs) aerogel was successfully developed. Firstly, certain amount water-dispersed carbon nanotubes were introduced into PVA solution and undergo hydrothermal process in the presence of ferric iron to obtain novel PNP/CNTs solution. Then, the PNP/CNTs aerogels were fabricated by the “freeze-thaw” cycle and freeze-drying me ...
- DOI:
- 10.1016/j.jcis.2020.02.053
- https://dx.doi.org/10.1016/j.jcis.2020.02.053
- Author:
- Zhang, Liqiang; Cao, Huazhen; Lu, Yueheng; Zhang, Huibin; Hou, Guangya; Tang, Yiping; Zheng, Guoqu
- Source:
- Journal of colloid and interface science 2020 v.568 pp. 198-206
- ISSN:
- 0021-9797
- Subject:
- X-ray diffraction; X-ray photoelectron spectroscopy; absorption; alloys; argon (noble gases); carbon dioxide; cathodes; copper; crystallization; ethanol; heat treatment; iron; liquids; microstructure; nanotubes; oxidation; photocatalysis; reflectance spectroscopy; scanning electron microscopy; semiconductors; temperature; titanium dioxide; transmission electron microscopy
- Abstract:
- ... Herein, we report a simple approach to synthesize CuFeO₂/TNNTs photocathodes composed of high-temperature resistance n-type Nb-doped TiO₂ nanotube arrays (TNNTs) and p-type CuFeO₂ for CO₂ reduction. TNNTs were prepared by anodic oxidation on TiNb alloy sheets and CuFeO₂/TNNTs were then prepared by coating precursor liquid onto TNNTs followed by heat treatment in argon atmosphere. The microstructur ...
- DOI:
- 10.1016/j.jcis.2020.01.082
- https://dx.doi.org/10.1016/j.jcis.2020.01.082
- Author:
- Zhou, Long; Li, Na; Jin, Xiaoying; Owens, Gary; Chen, Zuliang
- Source:
- Journal of colloid and interface science 2020 v.565 pp. 167-176
- ISSN:
- 0021-9797
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; absorption; adsorption; aqueous solutions; electroplating; energy-dispersive X-ray analysis; iron; lead; nanoparticles; pH; porosity; scanning electron microscopy; transmission electron microscopes; transmission electron microscopy; wastewater
- Abstract:
- ... A nFe@ZIF-8 composite, which combined the tailorable porosity of ZIF-8 with the versatile functionality of Fe nanoparticles (nFe), was synthesized for Pb(II) removal. Batch adsorption experiments showed that more than 95.3% of Pb(II) was removed from aqueous solution at an initial concentration of 50 mg L⁻¹ when using nFe@ZIF-8 within 60 min at pH value of 5. The mechanism of Pb(II) removal was st ...
- DOI:
- 10.1016/j.jcis.2020.01.014
- https://dx.doi.org/10.1016/j.jcis.2020.01.014
12. CeO2 nanorods supported M–Co bimetallic oxides (M = Fe, Ni, Cu) for catalytic CO and C3H8 oxidation
- Author:
- Liu, Zhongqi; Li, Junhao; Wang, Ruigang
- Source:
- Journal of colloid and interface science 2020 v.560 pp. 91-102
- ISSN:
- 0021-9797
- Subject:
- X-ray diffraction; alloys; carbon monoxide; catalysts; catalytic activity; ceric oxide; cobalt; copper; energy-dispersive X-ray analysis; iron; nanorods; nickel; oxidation; oxygen; propane; synergism; transmission electron microscopy
- Abstract:
- ... Supported bimetallic catalysts with rational compositions and structural design have attracted great interest, due to the tunable structural orientation (alloy or intermetallic compound and core-shell structure etc.), synergetic effects, and combined properties related to the presence of two individual metals. In this study, 10 wt% Fe-Co, Ni-Co and Cu-Co bimetallic oxides with 1:2 atomic ratio (Fe ...
- DOI:
- 10.1016/j.jcis.2019.10.046
- https://dx.doi.org/10.1016/j.jcis.2019.10.046
- Author:
- Vallés-García, Cristina; Cabrero-Antonino, María; Navalón, Sergio; Álvaro, Mercedes; Dhakshinamoorthy, Amarajothi; García, Hermenegildo
- Source:
- Journal of colloid and interface science 2020 v.560 pp. 885-893
- ISSN:
- 0021-9797
- Subject:
- Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; acidity; benzimidazoles; catalysts; catalytic activity; chromium; coordination polymers; crystal structure; dehydrogenation; iron; leaching; scanning electron microscopy; surface area; zirconium
- Abstract:
- ... In the present work, nitro functionalized chromium terephthalate [MIL-101(Cr)-NO₂] metal- organic framework is prepared and characterized by powder X-ray diffraction (XRD), elemental analysis, infrared spectroscopy (IR), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and Brunauer–Emmett–Teller (BET) surface area. The inherent Lewis acidity of MIL-101(Cr)-NO₂ is confirme ...
- DOI:
- 10.1016/j.jcis.2019.10.093
- https://dx.doi.org/10.1016/j.jcis.2019.10.093