Y-shaped metal-free D–π–(A) 2 sensitizers for high-performance dye-sensitized solar cells

…, CH Chang, HH Chou, TM Chuang, TC Chu…

Index: Yeh-Yung Lin, Ryan; Wu, Feng-Ling; Chang, Chia-Hao; Chou, Hsien-Hsin; Chuang, Tzu-Man; Chu, Te-Chun; Hsu, Chih-Yu; Chen, Ping-Wei; Ho, Kuo-Chuan; Lo, Yih-Hsing; Lin, Jiann T. Journal of Materials Chemistry A, 2014 , vol. 2, # 9 p. 3092 - 3101

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Citation Number: 32

Abstract

A series of 2, 3, 5-substituted thiophene-based metal-free dyes with two anchoring groups, D– π–(A) 2 (DA), were synthesized for application in DSSCs. Different arylamines and 2- cyanoacrylic acid were used as the electron donor and the electron acceptor, respectively. The DSSC based on DA5 has the best power conversion efficiency (7.28%) among all devices, which is 2 times higher than that of S1 with only one anchoring group. With ...