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- Author:
- Amin, Mohammed A.; Ahmed, Emad M.; Mostafa, Nasser Y.; Alotibi, Mona M.; Darabdhara, Gitashree; Das, Manash R.; Wysocka, Joanna; Ryl, Jacek; Abd El-Rehim, Sayed
S.
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23655-23667
- ISSN:
- 1944-8252
- Subject:
- chemical composition; platinum; X-ray photoelectron spectroscopy; X-ray diffraction; hydrogen production; mixing; sulfuric acid; titanium dioxide; catalysts; nanocomposites; particle size; electrochemistry; carbon; aluminum; hydrogen; nanotubes; cost effectiveness; nanoparticles; catalytic activity; X-radiation
- Abstract:
- ... In this paper, we demonstrated, for the first time, aluminum titania nanoparticle (Al-TiO₂ NP) composites with variable amounts of TiO₂ NPs as nonprecious active catalysts for the electrochemical generation of H₂. These materials were synthesized by mixing desired amounts of hydrogen titanate nanotubes (TNTs), fabricated here by a cost-effective approach at moderate hydrothermal conditions, with a ...
- DOI:
- 10.1021/acsami.6b05630
-
http://dx.doi.org/10.1021/acsami.6b05630
- Author:
- Eady, Shawn C.; MacInnes, Molly M.; Lehnert, Nicolai
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23624-23634
- ISSN:
- 1944-8252
- Subject:
- adsorption; aqueous solutions; catalysts; cobalt; electrochemistry; electrolysis; glassy carbon electrode; graphene; hydrogen production; pH; platinum
- Abstract:
- ... Heterogeneous dihydrogen production manifolds comprised of bulk graphite, pencil graphite, graphite powder in Nafion films, graphene, and glassy carbon electrodes with adsorbed proton reduction catalyst TBA[Co(S₂C₆Cl₂H₂)₂] have been prepared and tested for their efficiency to generate dihydrogen in acidic aqueous media. The catalyst adsorbed on these inexpensive graphitic surfaces consistently dis ...
- DOI:
- 10.1021/acsami.6b05159
-
http://dx.doi.org/10.1021/acsami.6b05159
- Author:
- Juriga, Dávid; Nagy, Krisztina; Jedlovszky-Hajdú, Angéla; Perczel-Kovách, Katalin; Chen, Yong Mei; Varga, Gábor; Zrínyi, Miklós
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23463-23476
- ISSN:
- 1944-8252
- Subject:
- adhesion; amines; aspartic acid; biodegradability; biodegradation; cell culture; collagenase; crosslinking; culture media; disulfide bonds; hydrogels; osteosarcoma; polymers; thiols; viability
- Abstract:
- ... Development of novel biodegradable and biocompatible scaffold materials with optimal characteristics is important for both preclinical and clinical applications. The aim of the present study was to analyze the biodegradability of poly(aspartic acid)-based hydrogels, and to test their usability as scaffolds for MG-63 osteoblast-like cells. Poly(aspartic acid) was fabricated from poly(succinimide) a ...
- DOI:
- 10.1021/acsami.6b06489
-
http://dx.doi.org/10.1021/acsami.6b06489
- Author:
- Wang, Baolong; Hong, Lihua; Li, Yunfeng; Zhao, Liang; Wei, Yuxue; Zhao, Chengji; Na, Hui
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 24079-24088
- ISSN:
- 1944-8252
- Subject:
- condensation reactions; electrolytes; fuel cells; ion exchange; ketones; methanol; naphthalene; permeability; polymers
- Abstract:
- ... Novel sulfonated poly(arylene ether ketones) (SDN-PAEK-x), consisting of dual naphthalene and flexible sulfoalkyl groups, were prepared via polycondensation, demethylation, and sulfobutylation grafting reaction. Among them, SDN-PAEK-1.94 membrane with the highest ion exchange capacity (IEC = 2.46 mequiv·g–¹) exhibited the highest proton conductivity, which was 0.147 S· cm–¹ at 25 °C and 0.271 S·cm ...
- DOI:
- 10.1021/acsami.6b06983
-
http://dx.doi.org/10.1021/acsami.6b06983
- Author:
- Petkov, Nikolay; Volk, János; Erdélyi, Róbert; Lukács, István Endre; Nagata, Takahiro; Sturm, Chris; Grundmann, M.
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23891-23898
- ISSN:
- 1944-8252
- Subject:
- crystals; electronic equipment; energy; geometry; mechanical stress; zinc oxide
- Abstract:
- ... Many advanced electronic devices take advantage of properties developed at the surface facets of grown crystals with submicrometer dimensions. Electrical contacts to individual crystal facets can make possible the investigations of facet-dependent properties such as piezoelectricity in ZnO or III-nitride crystals having noncentrosymmetric structure. However, a lithography-based method for developi ...
- DOI:
- 10.1021/acsami.6b05687
-
http://dx.doi.org/10.1021/acsami.6b05687
- Author:
- Li, Guangfang Grace; Villarreal, Esteban; Zhang, Qingfeng; Zheng, Tingting; Zhu, Jun-Jie; Wang, Hui
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23920-23931
- ISSN:
- 1944-8252
- Subject:
- alloy nanoparticles; ambient temperature; annealing; copper; electrochemistry; gold; leaching; ligaments; methanol; models; thermodynamics
- Abstract:
- ... Atomic-level understanding of the structural transformations of multimetallic nanoparticles triggered by external stimuli is of vital importance to the enhancement of our capabilities to fine-tailor the key structural parameters and thereby to precisely tune the properties of the nanoparticles. Here, we show that, upon thermal annealing in a reducing atmosphere, Au@Cu₂O core–shell nanoparticles tr ...
- DOI:
- 10.1021/acsami.6b07309
-
http://dx.doi.org/10.1021/acsami.6b07309
- Author:
- Chiang, Ching-Yu; Hsiao, Sheng-Wei; Wu, Pin-Jiun; Yang, Chu-Shou; Chen, Chia-Hao; Chou, Wu-Ching
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 24152-24160
- ISSN:
- 1944-8252
- Subject:
- X-ray diffraction; copper; electrical properties; gallium; indium; manufacturing; models; molybdenum; photovoltaic cells; selenium; spectroscopy; sulfides; sulfur; thermodynamics
- Abstract:
- ... Utilizing a scanning photoelectron microscope (SPEM) and grazing-incidence X-ray powder diffraction (GIXRD), we studied the electronic band structure and the crystalline properties of the pentanary Cu(In,Ga)(S,Se)₂ (CIGSSe) thin-film solar cell as a function of sample depth on measuring the thickness-gradient sample. A novel approach is proposed for studying the depth-dependent information on thin ...
- DOI:
- 10.1021/acsami.6b03869
-
http://dx.doi.org/10.1021/acsami.6b03869
- Author:
- Jahed, Zeinab; Zareian, Ramin; Chau, Yeung Yeung; Seo, Brandon B.; West, Mary; Tsui, Ting Y.; Wen, Weijia; Mofrad, Mohammad R. K.
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23604-23613
- ISSN:
- 1944-8252
- Subject:
- branching; neuroglia; pseudopodia; silicon
- Abstract:
- ... Three-dimensional vertically aligned nano- and micropillars have emerged as promising tools for a variety of biological applications. Despite their increasing usage, the interaction mechanisms of cells with these rigid structures and their effect on single- and collective-cell behaviors are not well understood for different cell types. In the present study, we examine the response of glioma cells ...
- DOI:
- 10.1021/acsami.6b08668
-
http://dx.doi.org/10.1021/acsami.6b08668
- Author:
- Mao, Peng; Zhou, Qing; Jin, Zhiwen; Li, Hui; Wang, Jizheng
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23837-23843
- ISSN:
- 1944-8252
- Subject:
- dimethyl sulfoxide; ethanol; isopropyl alcohol; photovoltaic cells; solvents
- Abstract:
- ... Solution processable perovskite solar cells traditionally employed isopropanol as the solvent of CH₃NH₃I in a two-step method. One of the largest issues of this technique is the uncontrollable morphology of the perovskite film. In this study, a homogeneous and dense PbI₂ film was prepared by introducing DMSO as an additive into DMF and then reacting the mixture with CH₃NH₃I dissolved in an isoprop ...
- DOI:
- 10.1021/acsami.6b08863
-
http://dx.doi.org/10.1021/acsami.6b08863
- Author:
- Wang, Shan; Zhao, Xinglei; Yin, Xia; Yu, Jianyong; Ding, Bin
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23985-23994
- ISSN:
- 1944-8252
- Subject:
- air; electrical charges; electrostatic interactions; energy; filtration; governance; nanofibers; nanoparticles; particulates; pollution; polytetrafluoroethylene; thermoplastics
- Abstract:
- ... Airborne particulate matter (PM) pollution has become a severe environmental concern calling for electret fibrous materials with high filtration efficiency and low pressure drop. However, restraining the dissipation of the electric charges in service to ensure the stabilized electrostatic force of the fibers for effectively adsorbing particles is extremely important and also challenging. Herein, w ...
- DOI:
- 10.1021/acsami.6b08262
-
http://dx.doi.org/10.1021/acsami.6b08262
- Author:
- Zhou, Dan; Sigle, Wilfried; Kelsch, Marion; Habermeier, Hanns-Ulrich; van Aken, Peter A.
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 24177-24185
- ISSN:
- 1944-8252
- Subject:
- fuel cells; irradiation; manganese; oxygen; spectroscopy; transmission electron microscopy
- Abstract:
- ... The availability of aberration correctors for the probe-forming lenses makes simultaneous modification and characterization of materials down to atomic scale inside a transmission electron microscopy (TEM) realizable. In this work, we report on the electron-beam-induced reconstructions of three types of antiphase boundaries (APBs) in a probe-aberration-corrected TEM. With the utilization of high-a ...
- DOI:
- 10.1021/acsami.6b06621
-
http://dx.doi.org/10.1021/acsami.6b06621
- Author:
- Lee, Seungae; Kim, Yun Ki; Hong, Jin-Yong; Jang, Jyongsik
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 24221-24229
- ISSN:
- 1944-8252
- Subject:
- annealing; electrical conductivity; models; molybdenum disulfide; nanosheets; temperature
- Abstract:
- ... The correlation between electrical conductivity and electro-responsive behavior is identified by introducing few-layer molybdenum disulfide (MoS₂) nanosheets to electrorheological (ER) fluid. Few-layer MoS₂ nanosheets are successfully fabricated, with a high yield of above 60%, using a straightforward method, and applied to an electro-responsive smart fluid. The electrical conductivity of MoS₂ is ...
- DOI:
- 10.1021/acsami.6b07887
-
http://dx.doi.org/10.1021/acsami.6b07887
- Author:
- Wang, Min; Li, Xiong; Hua, Weikang; Shen, Lingdi; Yu, Xufeng; Wang, Xuefen
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23995-24007
- ISSN:
- 1944-8252
- Subject:
- Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; acrylic acid; adsorption; biocompatible materials; color; crosslinking; europium; fluorescence; hydrogels; ions; lanthanum; models; nanofibers; pH; photoluminescence; polyacrylic acid; sorption isotherms
- Abstract:
- ... Combined with the features of electrospun nanofibers and the nature of hydrogel, a novel choreographed poly(acrylic acid)–silica hydrogel nanofibers (PAA-S HNFs) scaffold with excellent rare earth elements (REEs) recovery performance was fabricated by a facile route consisting of colloid-electrospinning of PAA/SiO₂ precursor solution, moderate thermal cross-linking of PAA-S nanofiber matrix, and f ...
- DOI:
- 10.1021/acsami.6b08294
-
http://dx.doi.org/10.1021/acsami.6b08294
- Author:
- Zhou, Xiongtu; Peng, Yuyan; Peng, Rong; Zeng, Xiangyao; Zhang, Yong-ai; Guo, Tailiang
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 24248-24255
- ISSN:
- 1944-8252
- Subject:
- color; image analysis; polymers
- Abstract:
- ... The low-cost large-scale fabrication of microlens arrays (MLAs) with precise alignment, great uniformity of focusing, and good converging performance are of great importance for integral imaging 3D display. In this work, a simple and effective method for large-scale polymer microlens arrays using screen printing has been successfully presented. The results show that the MLAs possess high-quality s ...
- DOI:
- 10.1021/acsami.6b08278
-
http://dx.doi.org/10.1021/acsami.6b08278
- Author:
- Zhao, Tianyi; Zhang, Dongmei; Yu, Cunming; Jiang, Lei
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 24186-24191
- ISSN:
- 1944-8252
- Subject:
- adhesion; durability; gravity; hydrophobicity; oil spills; oils; pollutants; polyethylene; wettability
- Abstract:
- ... Low cost, eco-friendly, and easily scaled-up processes are needed to fabricate efficient oil/water separation materials, especially those useful in harsh environments such as highly acidic, alkaline, and salty environments, to deal with serious oil spills and industrial organic pollutants. Herein, a highly efficient oil/water separation mesh with durable chemical stability was fabricated by simply ...
- DOI:
- 10.1021/acsami.6b07432
-
http://dx.doi.org/10.1021/acsami.6b07432
- Author:
- Lu, Zengxing; Fan, Zhen; Li, Peilian; Fan, Hua; Tian, Guo; Song, Xiao; Li, Zhongwen; Zhao, Lina; Huang, Kangrong; Zhang, Fengyuan; Zhang, Zhang; Zeng, Min; Gao, Xingsen; Feng, Jiajun; Wan, Jianguo; Liu, Junming
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23963-23968
- ISSN:
- 1944-8252
- Subject:
- databases; electrodes; films (materials); platinum
- Abstract:
- ... Ferroelectric resistive switching (RS), manifested as a switchable ferroelectric diode effect, was observed in well-ordered and high-density nanocapacitor arrays based on continuous BiFeO₃ (BFO) ultrathin films and isolated Pt nanonelectrodes. The thickness of BFO films and the lateral dimension of Pt electrodes were aggressively scaled down to <10 nm and ∼60 nm, respectively, representing an ultr ...
- DOI:
- 10.1021/acsami.6b07792
-
http://dx.doi.org/10.1021/acsami.6b07792
- Author:
- Chen, Juanni; Sun, Long; Cheng, Yuan; Lu, Zhicheng; Shao, Kang; Li, Tingting; Hu, Chao; Han, Heyou
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 24057-24070
- ISSN:
- 1944-8252
- Subject:
- Fusarium graminearum; antibiotics; antifungal properties; bacteria; chemical reduction; disease prevention; fungal diseases of plants; fungal spores; graphene; hyphae; infection; leaf spot; leaves; minimum inhibitory concentration; nanocomposites; nanosilver; plant pathogenic fungi; reactive oxygen species; spore germination
- Abstract:
- ... Nanoparticle-based antibacterial agents have emerged as an interdisciplinary field involving medicine, material science, biology, and chemistry because of their size-dependent qualities, high surface-to-volume ratio, and unique physiochemical properties. Some of them have shown great promise for their application in plant protection and nutrition. Here, GO-AgNPs nanocomposite was fabricated throug ...
- DOI:
- 10.1021/acsami.6b05730
-
http://dx.doi.org/10.1021/acsami.6b05730
- Author:
- Yang, Tao; Ma, Yanxia; Huang, Qingli; He, Maoshuai; Cao, Guojian; Sun, Xia; Zhang, Dongen; Wang, Mingyan; Zhao, Hong; Tong, Zhiwei
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23646-23654
- ISSN:
- 1944-8252
- Subject:
- catalysts; catalytic activity; durability; nanocrystals; nanoparticles; oxygen
- Abstract:
- ... Exploiting high catalytic activities and superior durability is significant for the lifetime and the cost of electro-catalysts for oxygen reduction reaction (ORR). Pt–Ni nanocrystals have attracted considerable attention owing to their exceptionally catalytic performance. However, the durability of Pt–Ni nanoparticles in acid media is still far below satisfaction. Consequently, improving the durab ...
- DOI:
- 10.1021/acsami.6b05726
-
http://dx.doi.org/10.1021/acsami.6b05726
- Author:
- Shi, Zhen-Qiang; Cai, Yu-Ting; Deng, Jie; Zhao, Wei-Feng; Zhao, Chang-Sheng
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23523-23532
- ISSN:
- 1944-8252
- Subject:
- Staphylococcus aureus; X-radiation; X-ray photoelectron spectroscopy; atomic force microscopy; bacteria; beta-cyclodextrin; chlorides; contact angle; hydrophilicity; polymerization; silicon; temperature
- Abstract:
- ... A facile method to construct reversible thermoresponsive switching for bacteria killing and detachment was currently developed by host–guest self-assembly of β-cyclodextrin (β-CD) and adamantane (Ad). Ad-terminated poly(N-isopropylacrylamide) (Ad-PNIPAM) and Ad-terminated poly[2-(methacryloyloxy)ethyl]trimethylammonium chloride (Ad-PMT) were synthesized via atom transfer radical polymerization, an ...
- DOI:
- 10.1021/acsami.6b07397
-
http://dx.doi.org/10.1021/acsami.6b07397
- Author:
- Kim, Jaehoon; Jeong, Byeong Guk; Roh, Heebum; Song, Jiyun; Park, Myeongjin; Lee, Doh C.; Bae, Wan Ki; Lee, Changhee
- Source:
- ACS applied materials 2016 v.8 no.36 pp. 23947-23952
- ISSN:
- 1944-8252
- Subject:
- photovoltaic cells; quantum dots; volatile organic compounds
- Abstract:
- ... We report the influence of post-treatment via the external pressure on the device performance of quantum dot (QD) solar cells. The structural analysis together with optical and electrical characterization on QD solids reveal that the external pressure compacts QD active layers by removing the mesoscopic voids and enhances the charge carrier transport along QD solids, leading to significant increas ...
- DOI:
- 10.1021/acsami.6b07771
-
http://dx.doi.org/10.1021/acsami.6b07771