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Effect of the structure transformation on the (de-)hydrogenation hysteresis of La1-zYzHx films as studied by hydrogenography

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

J. Mater. Chem., 2012, 22,24453-24462
DOI: 10.1039/C2JM34594C, PaperYevheniy Pivak, Herman Schreuders, Bernard Dam
The (de-)hydrogenation properties of La1-zYzHx (z = 0, 0.4, 1) thin films during the dihydride-trihydride transition were investigated by means of hydrogenography.
The content of this RSS Feed (c) The Royal Society of Chemistry

Reducing recombination in ZnO photoanodes for dye sensitised solar cells through simple chemical synthesis

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

J. Mater. Chem., 2012, 22,24463-24468
DOI: 10.1039/C2JM34904C, PaperLioz Etgar, James S. Bendall, Vincent Laporte, Mark E. Welland, Michael Graetzel
A ZnO NW film with lower recombination centers has been developed, which demonstrates superior photovoltaic performance within a DSSC.
The content of this RSS Feed (c) The Royal Society of Chemistry

Open-circuit voltage in organic solar cells

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

J. Mater. Chem., 2012, 22,24315-24325
DOI: 10.1039/C2JM33719C, Feature ArticleBoyuan Qi, Jizheng Wang
Recent progress in understanding the origin of open-circuit voltage in OSCs is reviewed. Based on the model of DOS, disorder in donor-acceptor materials and bimolecular recombination are two main sources of open-circuit voltage loss.
The content of this RSS Feed (c) The Royal Society of Chemistry

Polyoxometalate-based materials for efficient solar and visible light harvesting: application to the photocatalytic degradation of azo dyes

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

J. Mater. Chem., 2012, 22,24509-24521
DOI: 10.1039/C2JM33246A, Feature ArticleAnne Dolbecq, Pierre Mialane, Bineta Keita, Louis Nadjo
Recently devised strategies using polyoxometalate (POM) based materials are shown to open up new green chemistry-type avenues for studying the degradation of organic pollutants, including azo dyes.
The content of this RSS Feed (c) The Royal Society of Chemistry

Comparative studies of photochemical cross-linking methods for stabilizing the bulk hetero-junction morphology in polymer solar cells

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

J. Mater. Chem., 2012, 22,24417-24423
DOI: 10.1039/C2JM34284G, PaperJon Eggert Carle, Birgitta Andreasen, Thomas Tromholt, Morten V. Madsen, Kion Norrman, Mikkel Jorgensen, Frederik C. Krebs
Bromine, azide, vinyl and oxetane were incorporated into the side chains of the polymer TQ1. Cross-linking of the polymers was achieved by UV-light illumination to give solvent resistant films and reduced growth of PCBM crystallites.
The content of this RSS Feed (c) The Royal Society of Chemistry

Carbon nanodots: synthesis, properties and applications

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

J. Mater. Chem., 2012, 22,24230-24253
DOI: 10.1039/C2JM34690G, Feature ArticleHaitao Li, Zhenhui Kang, Yang Liu, Shuit-Tong Lee
Carbon dots for potential applications in photocatalysis, optoelectronics, sensor, SERS, and bio-imaging.
The content of this RSS Feed (c) The Royal Society of Chemistry

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.
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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.
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