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Liping Cai, Hoi Nok Tsao, Wei Zhang, Long Wang, Zhaosheng Xue, Michael Grätzel and Bin Liu Organic Sensitizers with Bridged Triphenylamine Donor Units for Efficient Dye-Sensitized Solar Cells Advanced Energy Materials 3

Version of Record online: 31 AUG 2012 | DOI: 10.1002/aenm.201200435

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Organic sensitizers based on bridged triphenylamine and a trans-alkene linkage are designed and synthesized for dye-sensitized solar cells. The planarization of the donor unit and the easily constructed alkene linkage with the π-bridge lead to dyes with large extinction coefficients and broad absorption spectra, which yield device efficiencies of up to 8% under standard one-sun conditions.

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