期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
卷 272, 期 -, 页码 58-64出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2013.08.010
关键词
Porphyrin; Electronic structure; Absorption spectra; Power conversion efficiency; Dye-sensitized solar cells
资金
- National Natural Science Foundation of China [20872035, 21076078]
- East China University of Science and Technology
Two new dye sensitizers 5-(N,N-4-(diphenylamino)phenyl)-10-(4-(tert-butyl-2-cyanoacrylate)-phenyl)porphyrin (TP) and 5-(N, N-4-(bis(4-butylphenyl) amino) phenyl)-10-(4-(tert-butyl-2-cyanoacrylate)phenyl)porphyrin (BUTP) with cyanoacrylic acid as electron acceptor were synthesized and researched. BUTP has strong absorption in a wide range of 300-726 nm. DSSCs sensitized by BUTP displayed a power conversion efficiency (27) 5.33%, J(SC) 12.21 mA cm(-2), V-OC 0.68V, FF 0.65, under the illumination of AM 1.5G. Spectral properties, electrochemical properties, photovoltaic and electrochemical impedance properties of TP and BUTP were also investigated. Considering its simple synthesis, both TP and BUTP were qualified sensitizers for DSSCs. (C) 2013 Elsevier B.V. All rights reserved.
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