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94 Newest Publications in journal of materials chemistry

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Synthesis and characterization of Mg2Si/Si nanocomposites prepared from MgH2 and silicon, and their thermoelectric properties

22-11-2012 | Tanghong Yi; Shaoping Chen; Shawn Li; Hao Yang; Sabah Bux; Zhixi Bian; Nebil A. Katcho; Ali Shakouri; Natalio Mingo; ..., Journal of Materials Chemistry, 2012

Silicon (Si) nanoparticles embedded in a Mg2Si matrix (Mg2Si/xSi) have been successfully synthesized at 623 K from MgH2 and Bi containing Si nanoparticle powders. The use of MgH2 in this synthetic route avoids the formation of oxides through the generation of hydrogen and provides a route to ...

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Controlled synthesis of CdS micro/nano leaves with (0001) facets exposed: enhanced photocatalytic activity toward hydrogen evolution

06-11-2012 | Cuixia Li; Lijun Han; Rongji Liu; Honghua Li; Suojiang Zhang; Guangjin Zhang, Journal of Materials Chemistry, 2012

Two-dimensional CdS micro/nano leaves have been synthesized via a controlled hydrothermal process. The dimensions of the leaves is in the range of 4–6 μm and the thickness of the leaves is 30–50 nm. The surface of the leaves is smooth and composed of several parallel laminar layers with ...

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Hydrogen adsorption on Na–SWCNT systems

10-10-2012 | Balasaheb J. Nagare; Darshan Habale; Sajeev Chacko; Swapan Ghosh, Journal of Materials Chemistry, 2012

We investigate the hydrogen adsorption capacity of Na-coated carbon nanotubes (Na-SWCNTs) using first-principles electronic structure calculations at absolute temperature and pressure. A single Na atom is always found to occupy the hollow site of a hexagonal carbon ring in all the six different ...

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Core-crosslinked Amphiphilic Biodegradable Copolymer based on the Complementary Multiple Hydrogen Bonds of Nucleobases: Synthesis, Self-assembly and in vitro Drug Delivery

10-10-2012 | Huihui Kuang; Suhong Wu; Fanbo Meng; Zhigang Xie; Xiabin Jing; Yubin Huang, Journal of Materials Chemistry, 2012

Nucleobases (adenine and thymine) were conjugated to the amphiphilic biodegradable copolymers methoxyl poly(ethylene glycol)-b-poly(L-lactide-co-2-methyl-2-allyloxycarbonyl-propylene carbonate) (mPEG-b-P(LA-co-MAC)). The hydrogen bonding between adenine (A) and thymine (T) were confirmed by 1H ...

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Synthesis of porous Ni@rGO nanocomposite and its synergetic effect on hydrogen sorption properties of MgH2

03-10-2012 | Guang Liu; Yijing Wang; Fangyuan Qiu; Li Li; Lifang Jiao; Huatang Yuan, Journal of Materials Chemistry, 2012

A porous Ni@rGO nanocomposite was successfully prepared by the ethylene glycol method followed by an annealing process. It was shown that fcc Ni nanoparticles anchored on reduced graphene oxide sheets producing a porous structure. It was also found that Ni@rGO nanocomposite had a good catalytic ...

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Synthesis, Characterization, and Hydrogen Storage Capacites of Hierarchical Porous Carbide Derived Carbon Monolith

03-10-2012 | Jiacheng Wang; Martin Oschatz; Tim Biemelt; Lars Borchardt; Martin R. Lohe; Irena Senkovska; Stefan Kaskel, Journal of Materials Chemistry, 2012

Hierarchical porous carbide-derived carbon monoliths (HPCDCM) were prepared by selective extraction of silicon from ordered mesoporous silicon carbide monoliths (OMSCM) through chlorination at high temperature. The OMSCM was firstly synthesized by pressure-assisted nanocasting procedure using ...

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Phosphonate Substituted 4,4'-Bis(N-carbazolyl)biphenyl with Dominant Electron Injection/Transport Ability for Tuning the Single-Layer Device Performance of Self-Host Phosphorescent Dendrimer

26-09-2012 | Junqiao Ding, Journal of Materials Chemistry, 2012

A novel phosphonate substituted 4,4'-bis(N-carbazolyl)biphenyl (CBP), namely PCBP, has been designed and successfully synthesized by an indirect palladium catalyzed Suzuki-Miyaura reaction. X-ray crystallography analysis from PCBP single crystal demonstrates that there is a hydrogen bond ...

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Enhanced photocatalytic hydrogen evolution performance based on Ru-trisdicarboxybipyridine-reduced graphene oxide hybrid

26-09-2012 | Mingshan Zhu; Yupei Dong; Bin Xiao; Du Yukou; Ping Yang; Xiaomei Wang, Journal of Materials Chemistry, 2012

Herein, we report an efficient photocatalytic hydrogen evolution system based on Ru-trisdicarboxybipyridine-reduced graphene oxide (Ru(dcbpy)3-RGO) hybrid. Firstly, the AFM images and UV-vis spectra validate Ru(dcbpy)3 functionalized RGO via nonconvalent interactions successfully. The ...

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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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High-rate Capacitive Performance of Graphene Aerogel with a Superhigh C/O Molar Ratio

25-09-2012 | Xiaozhong Wu; Jin Zhou; Wei Xing; Guiqiang Wang; Hongyou Cui; Shuping Zhuo; Qingzhong Xue; Zi-Feng Yan; Shizhang Qiao, Journal of Materials Chemistry, 2012

Graphene aerogel (GA) is successfully prepared through hydrogen reduction of graphene oxide aerogel (GOA) which is self-assembled from graphene oxide solution and subsequently dried by a supercritical CO2 method. The morphology, structure and surface property evolution in the preparation of GA ...

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