文献类型：期刊文献

英文题名：Efficient Solar Cells Sensitized by Porphyrins with an Extended Conjugation Framework and a Carbazole Donor: From Molecular Design to Cosensitization

作者：Wang, Yueqiang[1,2];Chen, Bin[1,2];Wu, Wenjun[1,2];Li, Xin[1,2];Zhu, Weihong[1,2];Tian, He[1,2];Xie, Yongshu[1,2]

机构：[1]E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China;[2]E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China

年份：2014

卷号：53

期号：40

起止页码：10779

外文期刊名：ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

收录：;EI(收录号：20151900829490);WOS:【SCI-EXPANDED(收录号:WOS:000342761500041)】；

基金：This work was supported by NSFC/China (21072060, 91227201), National Basic Research 973 Program (2013CB733700), the Oriental Scholarship (NCET-11-0638), and the Fundamental Research Funds for the Central Universities (WK1013002).

语种：英文

外文关键词：dyes/pigments; energy conversion; porphyrins; sensitizers; solar cells

摘要：Porphyrin dyes containing the carbazole electron donor have been designed and optimized by wrapping the porphyrin framework, introducing an additional ethynylene bridge to extend the wavelength range of light absorption, and further suppression of the dye aggregation by introducing additional alkoxy chains. Application of a cosensitization approach results in improved current density (J(sc)) and open-circuit voltage (V-oc) values, thus achieving the highest cell efficiency of 10.45%. This work provides an effective combined strategy of molecular design and cosensitization for developing efficient dye-sensitized solar cells (DSSCs). In addition, carbazole has been demonstrated to be a promising donor for porphyrin sensitizers.