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Understanding the stability of fluorosulfate Li-ion battery cathode materials: a thermochemical study of LiFe1-xMnxSO4F (0 [less-than-or-equal] x [less-than-or-equal] 1) polymorphs

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

J. Mater. Chem., 2012, 22,24446-24452
DOI: 10.1039/C2JM34071B, PaperA. V. Radha, J. D. Furman, M. Ati, B. C. Melot, J. M. Tarascon, A. Navrotsky
Tavorite and triplite are equally stable at ambient temperature but triplite is thermodynamically favored at high temperatures because of entropy.
The content of this RSS Feed (c) The Royal Society of Chemistry

Dye-sensitized solar cells incorporating novel Co(II/III) based-redox electrolytes solidified by silica nanoparticles

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

J. Mater. Chem., 2012, 22,24430-24438
DOI: 10.1039/C2JM33752E, PaperThomas Stergiopoulos, Maria Bidikoudi, Vlassis Likodimos, Polycarpos Falaras
An innovative solidified redox electrolyte for dye-sensitized solar cells (DSCs) was prepared by incorporating amorphous silica nanoparticles in a liquid system containing the Co2+/Co3+ shuttle dissolved in methoxypropionitrile. The incorporation of the solidified electrolyte in a DSC configuration resulted in an efficiency up to about 4% under 0.23 sun (AM 1.5G) illumination.
The content of this RSS Feed (c) The Royal Society of Chemistry

Top-down meets bottom-up: organized donor-acceptor heterojunctions for organic solar cells

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

J. Mater. Chem., 2012, 22,24297-24314
DOI: 10.1039/C2JM33756H, Feature ArticleMingfeng Wang, Fred Wudl
This review summarizes recent progress on both materials synthesis and self-assembly and lithography techniques toward ordered nanostructures and well-defined D/A interfaces that are expected to enhance the performance of organic solar cells.
The content of this RSS Feed (c) The Royal Society of Chemistry

Catalytic activity of metal-based nanoparticles for photocatalytic water oxidation and reduction

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

J. Mater. Chem., 2012, 22,24284-24296
DOI: 10.1039/C2JM32926C, Feature ArticleShunichi Fukuzumi, Yusuke Yamada
This article presents water reduction by non-Pt metal nanoparticles and water oxidation by metal oxide nanoparticles prepared from metal complexes.
The content of this RSS Feed (c) The Royal Society of Chemistry

Metal oxides for interface engineering in polymer solar cells

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

J. Mater. Chem., 2012, 22,24202-24212
DOI: 10.1039/C2JM33838F, HighlightSong Chen, Jesse R. Manders, Sai-Wing Tsang, Franky So
Significant progress in power conversion efficiencies and stabilities of polymer solar cells has been achieved using semiconducting metal oxides as charge extraction interlayers.
The content of this RSS Feed (c) The Royal Society of Chemistry

Influence of cations of the electrolyte on the performance and stability of dye sensitized solar cells

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

J. Mater. Chem., 2012, 22,24424-24429
DOI: 10.1039/C2JM34706G, PaperPhilippe Wyss, Thomas Moehl, Shaik M. Zakeeruddin, Michael Gratzel
Novel electrolytes for high performance and stable dye sensitized solar cells.
The content of this RSS Feed (c) The Royal Society of Chemistry

Facile synthesis of nanostructured vanadium oxide as cathode materials for efficient Li-ion batteries

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

J. Mater. Chem., 2012, 22,24439-24445
DOI: 10.1039/C2JM34078J, PaperYanyi Liu, Evan Uchaker, Nan Zhou, Jiangang Li, Qifeng Zhang, Guozhong Cao
Homogeneous VO2 (B) nanorods approximately 100 nm in width and 1-2 [small mu ]m in length have been fabricated via the hydrothermal process, and are then transformed into irregularly shaped V2O5 nanoparticles several hundreds of nanometers large and 20-30 nm thick after annealing the precursor material at 500 [degree]C for 30 min.
The content of this RSS Feed (c) The Royal Society of Chemistry

Charge separation dynamics in a narrow band gap polymer-PbS nanocrystal blend for efficient hybrid solar cells

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

J. Mater. Chem., 2012, 22,24411-24416
DOI: 10.1039/C2JM34034H, PaperClaudia Piliego, Marianna Manca, Renee Kroon, Maksym Yarema, Krisztina Szendrei, Mats R. Andersson, Wolfgang Heiss, Maria A. Loi
An opportune mixing of PbS nanocrystals and a narrow band gap polymer led to hybrid solar cells with a broad spectral response and an efficiency of [similar]3%.
The content of this RSS Feed (c) The Royal Society of Chemistry

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.
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