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Electrochemically exfoliated graphene using 9-anthracene carboxylic acid for supercapacitor application

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24403-24410
DOI: 10.1039/C2JM34838A, PaperPartha Khanra, Tapas Kuila, Seon Hyeong Bae, Nam Hoon Kim, Joong Hee Lee
Water dispersible graphene has been prepared by electrochemical exfoliation of graphite for energy storage electrode materials.
The content of this RSS Feed (c) The Royal Society of Chemistry

Synthesis of low bandgap polymers based on thienoquinodimethane units and their applications in bulk heterojunction solar cells

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24394-24402
DOI: 10.1039/C2JM33637E, PaperTomokazu Umeyama, Yusuke Watanabe, Masaaki Oodoi, Douvogianni Evgenia, Tetsuya Shishido, Hiroshi Imahori
Non-fused ring building blocks of electron-rich quinoid structures have been used in low bandgap polymers for organic solar cells.
The content of this RSS Feed (c) The Royal Society of Chemistry

Advances in high efficiency dye sensitized solar cells based on Ru(II) free sensitizers and a liquid redox electrolyte

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24195-24201
DOI: 10.1039/C2JM34289H, HighlightJohn N. Clifford, Miquel Planells, Emilio Palomares
Our highlight describes the utmost important advances in the design and synthesis of ruthenium free sensitizers for efficient Gratzel solar cells.
The content of this RSS Feed (c) The Royal Society of Chemistry

Semiconductor amphiphilic block copolymers for hybrid donor-acceptor nanocomposites

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24386-24393
DOI: 10.1039/C2JM34033J, PaperJohannes C. Brendel, Hubertus Burchardt, Mukundan Thelakkat
Semiconductor amphiphilic block copolymers, which form uniform micelles in water, were combined with inorganic semiconductor nanoparticles to create well defined donor-acceptor nanocomposites with domain sizes suitable for photovoltaic applications.
The content of this RSS Feed (c) The Royal Society of Chemistry

Degradation and stability of polymer-based solar cells

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24265-24283
DOI: 10.1039/C2JM33645F, Feature ArticleJea Uk Lee, Jae Woong Jung, Jea Woong Jo, Won Ho Jo
The degradation mechanisms of active layer materials are discussed and their protection from degradation are extensively discussed.
The content of this RSS Feed (c) The Royal Society of Chemistry

Nanowires of oligothiophene-functionalized naphthalene diimides: self assembly, morphology, and all-nanowire bulk heterojunction solar cells

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24373-24379
DOI: 10.1039/C2JM33787H, PaperGuoqiang Ren, Eilaf Ahmed, Samson A. Jenekhe
All-nanowire bulk heterojunction organic solar cells incorporating nanowires of oligothiophene-functionalized naphthalene diimide as electron acceptor and poly(3-hexylthiophene) nanowires as electron donor are demonstrated.
The content of this RSS Feed (c) The Royal Society of Chemistry

Facile solvothermal synthesis of anatase TiO2 microspheres with adjustable mesoporosity for the reversible storage of lithium ions

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24380-24385
DOI: 10.1039/C2JM33724J, PaperYue Ma, Ge Ji, Bo Ding, Jim Yang Lee
TiO2 microspheres with adjustable morphologies and microstructures fabricated by a facile solvothermal process were evaluated for their reversible Li+ storage properties.
The content of this RSS Feed (c) The Royal Society of Chemistry

Absolute quantum yields in NaYF4:Er,Yb upconverters - synthesis temperature and power dependence

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24330-24334
DOI: 10.1039/C2JM33457G, CommunicationDaniel O. Faulkner, Srebri Petrov, Doug D. Perovic, Nazir P. Kherani, Geoffrey A. Ozin
We investigate the temperature and power dependence of the emission quantum yield of NaYF4:Er,Yb upconverters. We demonstrate that formation of the hexagonal phase of this material is not in itself sufficient to guarantee high upconversion efficiency
The content of this RSS Feed (c) The Royal Society of Chemistry

Graphene-based transparent flexible electrodes for polymer solar cells

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24254-24264
DOI: 10.1039/C2JM33784C, Feature ArticleMing He, Jaehan Jung, Feng Qiu, Zhiqun Lin
Graphene is becoming a potential alternative to indium tin oxide (ITO) for use as the electrode material in electronic devices.
The content of this RSS Feed (c) The Royal Society of Chemistry

Protic ionic liquid-functionalized mesoporous silica-based hybrid membranes for proton exchange membrane fuel cells

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24366-24372
DOI: 10.1039/C2JM33288D, PaperAnanta Kumar Mishra, Tapas Kuila, Da-Yeong Kim, Nam Hoon Kim, Joong Hee Lee
The conductivity of the composite membrane at 90 [degree]C and 30% humidity was noted to be 54.6 mS cm-1.
The content of this RSS Feed (c) The Royal Society of Chemistry

Electrospun nest-shaped TiO2 structures as a scattering layer for dye sensitized solar cells

J. Material Chem. - 19 November, 2012 - 06:54

J. Mater. Chem., 2012, 22,24326-24329
DOI: 10.1039/C2JM33219A, CommunicationGuang Zhu, Likun Pan, Jie Yang, Xinjuan Liu, Hengchao Sun, Zhuo Sun
An electrospun nest-shaped TiO2 structure is used as a scattering layer on a P25 electrode for dye sensitized solar cells.
The content of this RSS Feed (c) The Royal Society of Chemistry

Successive hydrogenation starting from the edge(s): an effective approach to fine-tune the electronic and magnetic behaviors of SiC nanoribbons

J. Material Chem. - 13 November, 2012 - 05:17

J. Mater. Chem., 2012, 22,24166-24172
DOI: 10.1039/C2JM34802K, PaperJia Guan, Wei Chen, Xiaojie Zhao, Guangtao Yu, Xuri Huang, Chiachung Sun
Through manipulating the hydrogenation patterns and ratios, greatly enriched electronic and magnetic features can be achieved in zSiCNRs: half-metallic, spin gapless semiconducting, metallic, and wide-band-gap semiconducting behaviors with the magnetic and non-magnetic conversion.
The content of this RSS Feed (c) The Royal Society of Chemistry

Porous ZnO nanorod for targeted delivery of doxorubicin: in vitro and in vivo response for therapeutic applications

J. Material Chem. - 13 November, 2012 - 05:17

J. Mater. Chem., 2012, 22,24145-24154
DOI: 10.1039/C2JM35013K, PaperShouvik Mitra, Subia B., Prasun Patra, Sourov Chandra, Nitai Debnath, Sumistha Das, Rahul Banerjee, Subhas C. Kundu, Panchanan Pramanik, Arunava Goswami
Folic acid conjugated porous ZnO nanorod for targeted delivery of doxorubicin.
The content of this RSS Feed (c) The Royal Society of Chemistry

Facile preparation route for graphene oxide reinforced polyamide 6 composites via in situ anionic ring-opening polymerization

J. Material Chem. - 13 November, 2012 - 05:17

J. Mater. Chem., 2012, 22,24081-24091
DOI: 10.1039/C2JM34243J, PaperXiaoqing Zhang, Xinyu Fan, Hongzhou Li, Chun Yan
Graphene oxide reinforced polyamide-6 composites was prepared by in situ anionic ring-opening polymerization under mild conditions in a short time.
The content of this RSS Feed (c) The Royal Society of Chemistry

New luminescent rare earth activated oxynitridosilicates and oxynitridogermanates with the apatite structure

J. Material Chem. - 13 November, 2012 - 05:17

J. Mater. Chem., 2012, 22,23913-23920
DOI: 10.1039/C2JM35168D, PaperSebastien Thomas, Judith Oro-Sole, Benoit Glorieux, Veronique Jubera, Valerie Buissette, Thierry Le Mercier, Alain Garcia, Amparo Fuertes
New luminescent oxynitrides based on the apatite structure showing blue, green, yellowish green or orange luminescence under UV/blue excitation have been prepared by ammonolysis of oxysilicate or oxygermanate precursors. Long wavelength emissions centred at 545 and 590 nm are observed for the cerium activated oxynitrido-silicates and germanates.
The content of this RSS Feed (c) The Royal Society of Chemistry

A highly sensitive sensor based on hollow particles for the detection, adsorption and removal of Hg2+ ions

J. Material Chem. - 13 November, 2012 - 05:17

J. Mater. Chem., 2012, 22,24102-24108
DOI: 10.1039/C2JM35427F, PaperXinjian Cheng, Jinping Li, Xianghong Li, Daohong Zhang, Huijuan Zhang, Aiqing Zhang, Hui Huang, Jiansheng Lian
Micro-sensors have been grafted to silica hollow spheres to form a new type of chemosensor. The hollow chemosensors can not only detect Hg2+ ions with high sensitivity, but can also remove the ions with high efficiency.
The content of this RSS Feed (c) The Royal Society of Chemistry

Extraordinarily enhanced gene transfection and cellular uptake by aromatic hydrophobicization to PEI25K

J. Material Chem. - 13 November, 2012 - 05:17

J. Mater. Chem., 2012, 22,24092-24101
DOI: 10.1039/C2JM35175G, PaperHui-zhen Jia, Xiao-hua Luo, Han Cheng, Juan Yang, Cao Li, Chen-Wei Liu, Jun Feng, Xian-zheng Zhang, Ren-xi Zhuo
Aromatic hydrophobicization towards PEI25K resulted in lowered biotoxicity, enhanced cell-uptake capacity and highly improved transfection efficiency up to 150 times that of PEI25K.
The content of this RSS Feed (c) The Royal Society of Chemistry

Significant electrochemical stability of manganese dioxide/polyaniline coaxial nanowires by self-terminated double surfactant polymerization for pseudocapacitor electrode

J. Material Chem. - 13 November, 2012 - 05:17

J. Mater. Chem., 2012, 22,23921-23928
DOI: 10.1039/C2JM32456C, PaperAfriyanti Sumboja, Ce Yao Foo, Jian Yan, Chaoyi Yan, Raju Kumar Gupta, Pooi See Lee
Improvement of the long term cycling stability of MnO2/polyaniline as a result of uniform thin coating of electrostatically bonded polyaniline to the well dispersed MnO2 nanowires.
The content of this RSS Feed (c) The Royal Society of Chemistry

An efficient oxygen reduction electrocatalyst from graphene by simultaneously generating pores and nitrogen doped active sites

J. Material Chem. - 13 November, 2012 - 05:17

J. Mater. Chem., 2012, 22,23799-23805
DOI: 10.1039/C2JM35128E, PaperThangavelu Palaniselvam, Harshitha Barike Aiyappa, Sreekumar Kurungot
Porous nitrogen-doped graphene (N-Gr) with appreciable ORR activity could be developed by pyrolysing mildly reduced graphene oxide with the iron-phenanthroline complex ([Fe(phen)3]2+) co-assisted by the in situ generated Fe2O3 nanoparticles.
The content of this RSS Feed (c) The Royal Society of Chemistry

Phosphoric acid-doped sulfonated polyimide and polybenzimidazole blend membranes: high proton transport at wide temperatures under low humidity conditions due to new proton transport pathways

J. Material Chem. - 13 November, 2012 - 05:17

J. Mater. Chem., 2012, 22,23767-23772
DOI: 10.1039/C2JM34529C, PaperKazuhiro Suzuki, Yusuke Iizuka, Manabu Tanaka, Hiroyoshi Kawakami
A phosphoric acid-doped sulfonated polyimide and polybenzimidazole blend membrane enables high proton conductivity under low humidity conditions (approximately 0.1 S cm-1 at 30 [degree]C and 30% RH).
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