Effect of molecular structure perturbations on the performance of the D–A− π–A dye sensitized solar cells

…, AJ Rojas, W Chen, P Szymanski, SR Marder…

文献索引：Zhang, Junxiang; Chen, Wayne; Rojas, Anthony J.; Jucov, Evgheni V.; Timofeeva, Tatiana V.; Parker, Timothy C.; Barlow, Stephen; Marder, Seth R. Journal of the American Chemical Society, 2013 , vol. 135, # 44 p. 16376 - 16379

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被引用次数: 42

摘要

Three D–A− π–A organic dyes based on 5, 6-difluoro-2, 1, 3-benzothiadiazole (DFBTD) were synthesized by sequential direct arylation and characterized by spectroscopic and electrochemical techniques. Compared to 2, 1, 3-benzothiadiazole (BTD) analogue, the presence of two fluorine atoms on DFBTD results not only in a significant increase in the molar absorptivity but also in a blue shift of the onset of the absorption spectra. In the ...