Cover image for Vol. 9 Issue 20

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

Impact Factor: 7.116

ISI Journal Citation Reports © Ranking: 2015: 2/29 (Subject); 20/163 (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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October 27, 2016

VIP: Improving the Performance of Formamidinium and Cesium Lead Triiodide Perovskite Solar Cells using Lead Thiocyanate Additives

Yue Yu, Changlei Wang, Corey R. Grice, Niraj Shrestha, Prof. Jing Chen, Dr. Dewei Zhao, Weiqiang Liao, Alexander J. Cimaroli, Dr. Paul J. Roland, Prof. Randy J. Ellingson and Prof. Yanfa Yan

Improving the Performance of Formamidinium and Cesium Lead Triiodide Perovskite Solar Cells using Lead Thiocyanate Additives

The effects of additives: The power conversion efficiency (PCE) of mixed formamidinium (FA) and cesium lead triiodide perovskite solar cells is improved by introducing lead thiocyanate additives. The best PCE is improved from 17.61 to 19.57 % and the effect of additives is thoroughly studied. Voc=open-circuit voltage, Jsc=short-circuit current density, FF=fill factor.

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Recently Published Articles

  1. Molecularly Defined Manganese Pincer Complexes for Selective Transfer Hydrogenation of Ketones

    Dr. Marc Perez, Saravanakumar Elangovan, Dr. Anke Spannenberg, Dr. Kathrin Junge and Prof. Matthias Beller

    Version of Record online: 28 OCT 2016 | DOI: 10.1002/cssc.201601057

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    Broad application: A manganese complex is applied for the first time in the transfer hydrogenation of a broad variety of ketones with 2-propanol in good to excellent yields and excellent chemoselectivity. The mild reaction conditions are tolerant towards various functional groups and offer an efficient route towards valuable secondary alcohols, which make it a promising alternative to previously reported procedures.

  2. Selective Oxidative Esterification from Two Different Alcohols via Photoredox Catalysis

    Hong Yi, Xia Hu, Changliang Bian and Prof. Aiwen Lei

    Version of Record online: 28 OCT 2016 | DOI: 10.1002/cssc.201601113

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    Photo for energy: Inputting energy by photocatalysis for dioxygen activation, a mild and simple method for ester synthesis from two different alcohols, is described. This reaction is performed under neutral conditions using O2 as the terminal oxidant. A variety of primary alcohols, especially long chain alcohols and secondary alcohols are tolerated in this system.

  3. Near-Infrared-Absorbing and Dopant-Free Heterocyclic Quinoid-Based Hole-Transporting Materials for Efficient Perovskite Solar Cells

    Dr. Jen-Shyang Ni, Hsiao-Chi Hsieh, Chun-An Chen, Dr. Yuh-Sheng Wen, Dr. Wen-Ti Wu, Yen-Chen Shih, Prof. King-Fu Lin, Prof. Leeyih Wang and Prof. Jiann T. Lin

    Version of Record online: 28 OCT 2016 | DOI: 10.1002/cssc.201600923

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    No dopant needed: New heterocyclic quinoid-based hole transporting materials (HTMs) with a rigid quinoid core are synthesized, characterized, and used in perovskite solar cell (PSC) devices. High performance PSCs based on these dopant-free near-infrared-absorbing HTMs are fabricated with power conversion efficiency values comparable to devices fabricated with the commonly used doped 2,2′,7,7′-tetrakis-(N,N-di-4-methoxyphenylamino)-9,9′-spirobifluorene (spiro-OMeTAD).

  4. Tungsten Carbide: A Remarkably Efficient Catalyst for the Selective Cleavage of Lignin C−O Bonds

    Haiwei Guo, Dr. Bo Zhang, Dr. Changzhi Li, Chang Peng, Tao Dai, Prof. Haibo Xie, Prof. Aiqin Wang and Prof. Tao Zhang

    Version of Record online: 28 OCT 2016 | DOI: 10.1002/cssc.201600901

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    Breaking up: Tungsten carbide shows remarkable activity in selective C−O bond cleavage of typical β-O-4 model compounds and deconstruction of lignin feedstocks. High yields of C−O cleavage products from model compounds (up to 96.8 %) and from lignin feedstock (up to 70.7 %) are obtained without destroying the aromatic rings.

  5. A Nitrogen-Doped Carbon Catalyst for Electrochemical CO2 Conversion to CO with High Selectivity and Current Density

    Dr. Huei-Ru Molly Jhong, Dr. Claire E. Tornow, Dr. Bretislav Smid, Prof. Andrew A. Gewirth, Prof. Stephen M. Lyth and Prof. Paul J. A. Kenis

    Version of Record online: 28 OCT 2016 | DOI: 10.1002/cssc.201600843

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    Cutting edge: A non-precious N-doped carbon catalyst for the electrochemical reduction of CO2 to CO in an electrochemical flow cell is described, exhibiting low onset potential and high current density, selectivity, as well as energetic efficiency, outperforming results obtained in the existing literature for other N-doped carbon systems. Despite the early stage of development, this catalyst already outperforms state-of-the-art Ag nanoparticle catalysts.