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Ferroelectric ceramics with enhanced remnant polarization by ordered coalescence of nano-crystals

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23547-23552
DOI: 10.1039/C2JM32191B, PaperZhijian Shen, Haixue Yan, Daniel Gruner, Lyubov M. Belova, Yasuhiro Sakamoto, Jianfeng Hu, Ce-Wen Nan, Thomas Hoche, Michael J. Reece
High ferroelectric remnant polarization was achieved in BaTiO3 ceramics owing to the formation of defect-enriched grains by ordered coalescence of nano-crystals.
The content of this RSS Feed (c) The Royal Society of Chemistry

High-field antiferroelectric behaviour and minimized energy loss in poly(vinylidene-co-trifluoroethylene)-graft-poly(ethyl methacrylate) for energy storage application

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23468-23476
DOI: 10.1039/C2JM35532A, PaperJunjie Li, Shaobo Tan, Shujiang Ding, Huayi Li, Lanjun Yang, Zhicheng Zhang
Novel antiferroelectric-like properties in high electric fields are obtained in poly(vinylidene-co-trifluoroethylene)-graft-poly(ethyl methacrylate) copolymers for high electric energy storage applications.
The content of this RSS Feed (c) The Royal Society of Chemistry

Polybenzimidazole mediated N-doping along the inner and outer surfaces of a carbon nanofiber and its oxygen reduction properties

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23668-23679
DOI: 10.1039/C2JM35033E, PaperBeena K. Balan, Aiswarya Padinhare Manissery, Harshal D. Chaudhari, Ulhas K. Kharul, Sreekumar Kurungot
Polybenzimidazole mediated nitrogen doping along the inner and outer surfaces of a hollow carbon nanofiber is reported. The resulting material acts as a metal-free oxygen reduction electrocatalyst with improved oxygen reduction kinetics.
The content of this RSS Feed (c) The Royal Society of Chemistry

Super-tough conducting carbon nanotube/ultrahigh-molecular-weight polyethylene composites with segregated and double-percolated structure

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23568-23575
DOI: 10.1039/C2JM34793H, PaperHuan Pang, Ding-Xiang Yan, Yu Bao, Jin-Bing Chen, Chen Chen, Zhong-Ming Li
The super-tough conducting carbon nanotube/ultrahigh-molecular-weight polyethylene composites can be fabricated by a combination of segregated and double-percolated structure.
The content of this RSS Feed (c) The Royal Society of Chemistry

Nickel-cobalt double hydroxides microspheres with hollow interior and hedgehog-like exterior structures for supercapacitors

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23587-23592
DOI: 10.1039/C2JM35263J, PaperYan Tao, Li Zaijun, Li Ruiyi, Ning Qi, Kong Hui, Niu Yulian, Liu Junkang
Nickel-cobalt double hydroxide microspheres (Ni-Co-DHM) have been synthesized by a facile and cost-effective in situ method.
The content of this RSS Feed (c) The Royal Society of Chemistry

Synthesis and optical properties of 1,1-binaphthyl-thiophene alternating copolymers with main chain chirality

J. Material Chem. - 1 November, 2012 - 02:17

J. Mater. Chem., 2012, 22,23514-23524
DOI: 10.1039/C2JM35594A, PaperKohsuke Kawabata, Hiromasa Goto
A series of axially chiral conjugated binaphthyl-thiophene copolymers were chemically and electrochemically synthesized. Chiroptical properties of the polymers were reversibly changed by an electrochemical redox process.
The content of this RSS Feed (c) The Royal Society of Chemistry

Large-scale patterning by the roll-based evaporation-induced self-assembly

J. Material Chem. - 30 October, 2012 - 01:54

J. Mater. Chem., 2012, 22,22844-22847
DOI: 10.1039/C2JM34212J, CommunicationWon Kyu Park, TaeYoung Kim, Hyeongkeun Kim, Yena Kim, Tran Thanh Tung, Zhiqun Lin, A-Rang Jang, Hyeon Suk Shin, Jong Hun Han, Dae Ho Yoon, Woo Seok Yang
The large-scale fabrication of highly regular polymer stripes was achieved either on rigid or flexible substrates via the roll-based evaporation-induced self-assembly (EISA) method.
The content of this RSS Feed (c) The Royal Society of Chemistry

Location-tuned relaxivity in Gd-doped mesoporous silica nanoparticles

J. Material Chem. - 30 October, 2012 - 01:54

J. Mater. Chem., 2012, 22,22848-22850
DOI: 10.1039/C2JM35116A, CommunicationJason J. Davis, Wen-Yen Huang, Gemma-Louise Davies
By tuning the sub-particle localisation of Gd(III) binding macrocycles within a mesoporous scaffold, nanoparticle contrast agents of unprecedented relaxivity and low Gd(III) loadings can be realised.
The content of this RSS Feed (c) The Royal Society of Chemistry

Enzymatically degradable nitric oxide releasing S-nitrosated dextran thiomers for biomedical applications

J. Material Chem. - 30 October, 2012 - 01:54

J. Mater. Chem., 2012, 22,23038-23048
DOI: 10.1039/C2JM34834A, PaperVinod B. Damodaran, Laura W. Place, Matt J. Kipper, Melissa M. Reynolds
We report herein the synthesis and characterization of enzymatically degradable nitric oxide (NO) releasing S-nitrosated dextran thiomers that allowed tunable NO loading, and very specific and targeted NO release capabilities to suit the arterial blood conditions.
The content of this RSS Feed (c) The Royal Society of Chemistry

Inverted polymer solar cells fabricated by a pre-metered coating process

J. Material Chem. - 30 October, 2012 - 01:54

J. Mater. Chem., 2012, 22,23022-23029
DOI: 10.1039/C2JM34918C, PaperHong Goo Jeon, Chan Youn Cho, Jung Chul Shin, Byoungchoo Park
We herein report on the photovoltaic (PV) effect of inverted polymer solar cells (PSCs) that consist of a bulk-heterojunction (BHJ) PV layer and a sol-gel-derived zinc oxide (ZnO) electron-selective layer, produced by a simple pre-metered horizontal-dipping (H-dipping) process.
The content of this RSS Feed (c) The Royal Society of Chemistry

Self-powered and fast-speed photodetectors based on CdS:Ga nanoribbon/Au Schottky diodes

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,23272-23276
DOI: 10.1039/C2JM34869A, PaperDi Wu, Yang Jiang, Yugang Zhang, Yongqiang Yu, Zhifeng Zhu, Xinzheng Lan, Fangze Li, Chunyan Wu, Li Wang, Linbao Luo
Self-powered photodetectors with a fast response speed based on CdS:Ga nanoribbons/Au Schottky junctions were demonstrated. The fastest rise/fall times of 95/290 [small mu ]s for CdS based PDs were achieved.
The content of this RSS Feed (c) The Royal Society of Chemistry

Facile fabrication of tin-doped hematite photoelectrodes - effect of doping on magnetic properties and performance for light-induced water splitting

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,23232-23239
DOI: 10.1039/C2JM34639G, PaperJiri Frydrych, Libor Machala, Jiri Tucek, Karolina Siskova, Jan Filip, Jiri Pechousek, Klara Safarova, Martin Vondracek, Jung Hwa Seo, Oldrich Schneeweiss, Michael Gratzel, Kevin Sivula, Radek Zboril
A new, easily scalable method for the deposition of nanocrystalline hematite photoelectrodes is presented.
The content of this RSS Feed (c) The Royal Society of Chemistry

A density functional theory investigation of the molecular and dissociative adsorption of hydrazine on defective copper surfaces

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,23210-23220
DOI: 10.1039/C2JM34646J, PaperThomas D. Daff, Nora H. de Leeuw
Strength and geometry of dissociative adsorption of hydrazine varies with different copper surfaces and atomic coordination, with implications for nanoparticle shape control.
The content of this RSS Feed (c) The Royal Society of Chemistry

The stability of "Ce2O3" nanodots in ambient conditions: a study using block copolymer templated structures

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,22949-22957
DOI: 10.1039/C2JM35073D, PaperTandra Ghoshal, Peter G. Fleming, Justin D. Holmes, Michael A. Morris
The thermal and oxidative stability of well ordered, uniform Ce2O3 nanodots on substrates prepared by block copolymer templating has been demonstrated in ambient conditions. The method allows easy control on the oxidation states and sizes of the nanodots as well as on their luminescent properties.
The content of this RSS Feed (c) The Royal Society of Chemistry

Adverse effects of graphene incorporated in TiO2 photocatalyst on minuscule animals under solar light irradiation

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,23260-23266
DOI: 10.1039/C2JM35228A, PaperO. Akhavan, E. Ghaderi, K. Rahimi
Destruction of C. elegans by a graphene-titanium oxide photocatalyst under solar irradiation at various "surface of film/volume of medium" (S/V) ratios.
The content of this RSS Feed (c) The Royal Society of Chemistry

High-rate capacitive performance of graphene aerogel with a superhigh C/O molar ratio

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,23186-23193
DOI: 10.1039/C2JM35278H, PaperXiaozhong Wu, Jin Zhou, Wei Xing, Guiqiang Wang, Hongyou Cui, Shuping Zhuo, Qingzhong Xue, Zifeng Yan, Shi Zhang Qiao
The graphene aerogel assembled from graphene oxide exhibits high-rate capacitive performance due to its large surface area, three dimensional structure and high conductivity.
The content of this RSS Feed (c) The Royal Society of Chemistry

Structure properties relationships of liquid crystal bent core organic semiconductors based on benzo[2,1-b:3,4-b[prime or minute]]dithiophene-4,5-dione

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,23159-23168
DOI: 10.1039/C2JM34803A, PaperHecham Aboubakr, M.-Gabriela Tamba, Abdou Karim Diallo, Christine Videlot-Ackermann, Lenaik Belec, Olivier Siri, Jean-Manuel Raimundo, Georg H. Mehl, Hugues Brisset
We report the synthesis and properties of new diketone bridged dithiophene end-capped with mesogenic groups.
The content of this RSS Feed (c) The Royal Society of Chemistry

Novel electron-type host material for unilateral homogeneous phosphorescent organic light-emitting diodes with low efficiency roll-off

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,23129-23135
DOI: 10.1039/C2JM33988A, PaperXiao Yang, Hong Huang, Biao Pan, Shaoqing Zhuang, Matthew P. Aldred, Lei Wang, Jiangshan Chen, Dongge Ma
Two novel simple electron-transport (ET) type host materials, 2,6-bis(3-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)benzene (MDBIP) and 2,6-bis(3-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)pyridine (MDBIPy) have been designed and synthesized.
The content of this RSS Feed (c) The Royal Society of Chemistry

Temporal stability of blue phosphorescent organic light-emitting diodes affected by thermal annealing of emitting layers

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,23175-23180
DOI: 10.1039/C2JM35050E, PaperThomas Y.-H. Lee, Qiang Wang, Jason U. Wallace, Shaw H. Chen
The mCP-L-PhSiPh3 chemical hybrid is superior to the mCP:SiPh4 mixture as a host in temporal stability of a blue-emitting PhOLED device.
The content of this RSS Feed (c) The Royal Society of Chemistry

Fabrication of binary polymer surfaces: selective embedment of polystyrene and poly(ε-caprolactone) onto polypropylene surface structures

J. Material Chem. - 21 October, 2012 - 23:54

J. Mater. Chem., 2012, 22,22983-22988
DOI: 10.1039/C2JM34543A, PaperYu Jiang, Mika Suvanto, Tapani A. Pakkanen
With the affinity difference created on injection molded polymer structures, binary polymer surface patterns are fabricated through a selective embedment.
The content of this RSS Feed (c) The Royal Society of Chemistry

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