ChemSusChem

Cover image for Vol. 10 Issue 12

Editor: David Smith; Editorial Board Chairs: Matthias Beller, Gabriele Centi, Licheng Sun

Impact Factor: 7.226

ISI Journal Citation Reports © Ranking: 2016: 3/31 (Green & Sustainable Science & Technology); 22/166 (Chemistry Multidisciplinary)

Online ISSN: 1864-564X

Associated Title(s): Angewandte Chemie International Edition, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemCatChem, ChemElectroChem, ChemPhysChem, Energy Technology

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May 31, 2017

VIP: Non-Conjugated Polymer as an Efficient Dopant-Free Hole-Transporting Material for Perovskite Solar Cells

Yachao Xu, Tongle Bu, Meijin Li, Prof. Tianshi Qin, Dr. Chengrong Yin, Dr. Nanna Wang, Dr. Renzhi Li, Prof. Jie Zhong, Prof. Hai Li, Prof. Yong Peng, Prof. Jianpu Wang, Prof. Linghai Xie and Prof. Wei Huang

Non-Conjugated Polymer as an Efficient Dopant-Free Hole-Transporting Material for Perovskite Solar Cells

Be flexible: By integrating a flexible polyvinyl main chain with carbazole-based hole-transporting side chains, a new non-conjugated polymer (PVCz-OMeDAD) with excellent film-forming ability and good hole mobility is designed and synthesized in high yield through a three-step reaction. By employing the ultra-thin PVCz-OMeDAD film (≈30 nm) as dopant-free hole-transporting layer, perovskite solar cells (PSCs) can realize a power conversion efficiency up to 16.09 %, suggesting the great potential of this non-conjugated polymer for future low-cost, large-scale, flexible PSCs applications.

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Recently Published Articles

  1. Epoxy Matrices Modified by Green Additives for Recyclable Materials

    Martin L. Henriksen, Dr. Jens B. Ravnsbæk, Dr. Morten Bjerring, Prof. Thomas Vosegaard, Prof. Kim Daasbjerg and Prof. Mogens Hinge

    Version of Record online: 22 JUN 2017 | DOI: 10.1002/cssc.201700712

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    Amicable breakup: Successful incorporation of the bio-additive l-cystine into a commercial epoxy matrix shows very promising dismantling properties facilitated by acetic acid. This is accomplished without compromising thermal and mechanical properties of the materials compared to the unmodified epoxy matrix. The method enables a transition from the laboratory to sustainable industrial applications.

  2. Environmentally Friendly Recycling of Fuel-Cell Membrane Electrode Assemblies by Using Ionic Liquids

    Maxime Balva, Dr. Sophie Legeai, Dr. Nathalie Leclerc, Dr. Emmanuel Billy and Dr. Eric Meux

    Version of Record online: 22 JUN 2017 | DOI: 10.1002/cssc.201700456

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    Recover like no other: Electrochemical recovery of platinum from fuel cells is accomplished by coupling electrochemical leaching and electrodeposition in ionic liquids (ILs) under “soft” temperature conditions. Imidazolium chloride ILs are selected for their complexing ability with platinum and their good electrochemical stabilities. They are used either pure or diluted in a low-coordinating IL. It is possible to leach and electrodeposit platinum simultaneously in a single cell.

  3. Nanoelectrical and Nanoelectrochemical Imaging of Pt/p-Si and Pt/p+-Si Electrodes

    Jingjing Jiang, Zhuangqun Huang, Chengxiang Xiang, Rakesh Poddar, Hans-Joachim Lewerenz, Kimberly M. Papadantonakis, Nathan Lewis and Bruce Brunschwig

    Accepted manuscript online: 21 JUN 2017 12:45PM EST | DOI: 10.1002/cssc.201700893

  4. High-Performance Ruthenium Sensitizers Containing Imidazolium Counterions for Efficient Dye Sensitization in Water

    Dr. Xiaoyu Li, Dr. Shiqing Li, Prof. Dr. Ge Gao, Prof. Dr. Di Wu, Prof. Dr. Jingbo Lan, Prof. Dr. Ruilin Wang and Prof. Dr. Jingsong You

    Version of Record online: 21 JUN 2017 | DOI: 10.1002/cssc.201700579

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    Another way to dye: A new type of ruthenium sensitizers has been developed by replacing the tetrabutylammonium cations of N719 dye with imidazolium cations. Owing to the high hydrophilicity and good thermal stability of the imidazolium cation, these new sensitizers exhibit good water solubilities and thermal stabilities. They can be efficiently adsorbed onto TiO2 photoanodes in aqueous solution and show high power conversion efficiencies (up to 10.2 %).

  5. Reactive Precipitation of Anhydrous Alkali Sulfide Nanocrystals with Concomitant Abatement of Hydrogen Sulfide and Cogeneration of Hydrogen

    Xuemin Li, Yangzhi Zhao, Alice Brennan, Miranda McCeig, Prof. Colin A Wolden and Prof. Yongan Yang

    Version of Record online: 21 JUN 2017 | DOI: 10.1002/cssc.201700532

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    One stone, three birds: We report a potentially energy-sustainable, green technique that produces high-purity battery materials of alkali sulfide nanocrystals, cogenerates valuable hydrogen, and abates hazardous hydrogen sulfide. The thermodynamically favorable two-step process presents easy product separation and facile recycling of auxiliary reagents.

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