ChemSusChem

Cover image for Vol. 10 Issue 8

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

7_02b/2014Back Cover: Benzochalcogenodiazole-Based Donor–Acceptor–Acceptor Molecular Donors for Organic Solar Cells (ChemSusChem 2/2014)

The back cover image shows the new donor–acceptor–acceptor (D–A–A)-type molecular donors combined with C70 that yield an efficient vacuum-processed organic solar cell. Wong and his co-workers show that the physical properties of the new D–A–A molecules with benzochalcogenodiazole as the central A unit can be subtly manipulated by tuning the chalcogens (O, S, Se). A clear structure–property–performance relationship has been successfully established, indicating that the donor molecule with a S-based electron-accepting core shows superior power conversion efficiency compared to those of O- and Se-embedded counterparts. The evident bimolecular recombination is responsible for the inferior performance of the benzoxadiazole-embedded donor. More details can be found in the Full Paper by Ting et al. on page 457 ff.

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