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124 Newest Publications in journal of materials chemistry

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Fabrication of two-dimensional hybrid sheets by decorating insulating PANI on reduced graphene oxide for polymer nanocomposites with low dielectric loss and high dielectric constant

31-10-2012 | Mi Li; Xingyi Huang; Chao Wu; Haiping Xu; Pingkai Jiang; Toshikatsu Tanaka, Journal of Materials Chemistry, 2012

Novel polyaniline decorated reduced graphene oxide (rPANI@rGO) two-dimensional (2D) hybrids sheets were successfully prepared by in situ polymerization of aniline on graphene oxide (GO) sheets and successive reduction by hydrazine. PANI is heavily reduced, thus it is electrically insulating. The ...

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Synthesis and investigation of mechanism of platinum-graphene electrocatalysts by novel co-reduction techniques for proton exchange membrane fuel cell applications

25-10-2012 | Sundara Ramaprabhu; Vinayan B P; Rupali Nagar, Journal of Materials Chemistry, 2012

In this paper, we demonstrate two novel green synthesis methods for preparing platinum-graphene catalysts for proton exchange membrane fuel cell (PEMFC) applications. Starting from graphite oxide, the platinum precursor is added and the composite is separately subjected to (a) focused solar ...

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3D porous and redox-active prussian blue-in-graphene aerogels for highly efficient electrochemical detection of H2O2

10-10-2012 | Liang Chen; Xiaojuan Wang; Xuetong Zhang; Huimin Zhang, Journal of Materials Chemistry, 2012

3D porous and redox-active prussian blue-in-graphene (PB@G) aerogels with mass ratios of graphene to PB from 2.5 [ ] : [ ] 1 to 1 [ ] : [ ] 2.5 have been fabricated for the first time by supercritical fluid drying of its hydrogel precursors, which have been synthesized by co-reduction of graphene ...

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In situ chemical reduction of the Ta3N5 quantum dots coupled TaON hollow spheres heterojunction photocatalyst for water oxidation

10-10-2012 | Zheng Wang; Jungang Hou; Shuqiang Jiao; Kai Huang; Hongmin Zhu, Journal of Materials Chemistry, 2012

Photocatalytic oxygen evolution with a high efficiency was achieved using tantalum nitride (Ta3N5) quantum dots (QDs) coupled TaON hollow spheres (Ta3N5–TaON). TaON hollow spheres coupled with the surface enriched Ta3N5 QDs were prepared by an in situ chemical reduction route in ammonia solution ...

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Graphene prepared via a novel pyridine-thermal strategy for capacitive deionization

10-10-2012 | Hui Wang; Dengsong Zhang; Tingting Yan; Xiaoru Wen; Li-Yi Shi; Jianping Zhang, Journal of Materials Chemistry, 2012

A novel pyridine-thermal strategy for successive exfoliation and reduction of graphite oxide with the use of pyridine as the intercalating agent and dispersant is reported, and the obtained graphene exhibits a good performance in capacitive deionization.

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Boronate self-assembles with embedded Au nanoparticles; preparation, characterization and their catalytic activities for the reduction of nitroaromatic compounds

04-10-2012 | Yusuke Matsushima; Ryuhei Nishiyabu; Naoto Takanashi; Masatake Haruta; Hideaki Kimura; Yuji Kubo, Journal of Materials Chemistry, 2012

Sequential boronate esterification of benzene-1,4-diboronic acid with pentaerythritol induced hierarchical molecular self-assembly to produce mono-dispersed flower-like microparticles. ATR-FT-IR, PXRD, 13C-CP-MAS and 11B-DD-MAS NMR spectra indicate that the particles consist of zigzag-shaped ...

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Environmentally friendly light-driven synthesis of Ag nanoparticles in situ grown on magnetically separable biohydrogels as highly active and recyclable catalysts for 4-nitrophenol reduction

03-10-2012 | Lunhong Ai; Haitao Yue; Jing Jiang, Journal of Materials Chemistry, 2012

Noble metal nanocatalysts are one of the most promising candidates for various catalysis applications. However, their high surface energy undesirably cause serious stability problems, remarkably decreasing the intrinsic catalytic activity. In this paper, we described the successful fabrication of ...

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Visible light-sensitive mesoporous N-doped Ta2O5 spheres: Synthesis and photocatalytic activity for hydrogen evolution and CO2 reduction

26-09-2012 | Tomiko M Suzuki; Tadashi Nakamura; Shu Saeki; Yoriko Matsuoka; Hiromitsu Tanaka; Kazuhisa Yano; Kajino Tsutomu; Take ..., Journal of Materials Chemistry, 2012

Crystallized mesoporous tantalum pentoxide spheres (CMTS) with particle diameters of ca. 100-500 nm and composed of Ta2O5 nanocrystals were synthesized for the first time by a combination of the sol-gel process and heat-treatment with the aid of carbon reinforcement. The specific surface area of ...

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Pd-Fe3O4@C hybrid nanoparticles: Preparation, Characterization, and Their High Catalytic Activity toward Suzuki Coupling Reactions

19-09-2012 | Ren Li; Qianwang Chen; Peng Zhang; Ping Zhang; Hao Zhong; Yimin Huang, Journal of Materials Chemistry, 2012

Pb-Fe3O4@C hybrid nanoparticles with 10 nm Pd nanocrystals deposited on the surface of 120 nm Fe3O4@C core-shell nanospheres have been prepared by the adsorption Pd2+ ions onto the surface of Fe3O4@C nanospheres with highly negative charges and followed by reduction of Pd2+ ions with ethanol at ...

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Facile synthesis of MoS2/graphene nanocomposite with high catalytic activity toward triiodide reduction in dye-sensitized solar cells

13-09-2012 | Chia-Jui Liu; Sheng-Yen Tai; Shu-Wei Chou; Ya-Chu Yu; Kai-Di Chang; Shuei Wang; Forest Shih-Sen Chien; Jeng-Yu Lin; ..., Journal of Materials Chemistry, 2012

In the current study, a nanocomposite of molybdenum disulfide and graphene (MoS2/RGO) was proposed for the first time as the counter electrode (CE) catalyst in dye-sensitized solar cells (DSSCs) to speed up the reduction of triiodide (I3−) to iodide (I−). This novel catalyst was synthesized by ...

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