Premium
Synthesis and Photovoltaic Performance of a [1,2,3]Triazolo[4,5‐g]quinoxaline‐Based Low‐Bandgap Polymer
Author(s) -
Hai Jiefeng,
Zhao Baofeng,
Zhu Enwei,
Bian Linyi,
Wu Hongbin,
Tang Weihua
Publication year - 2013
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.201300349
Subject(s) - quinoxaline , materials science , band gap , polymer solar cell , polymer , conjugated system , open circuit voltage , fluorene , energy conversion efficiency , optoelectronics , photovoltaic system , absorption (acoustics) , polymer chemistry , voltage , chemistry , organic chemistry , composite material , electrical engineering , engineering
A narrow‐bandgap conjugated polymer, PFDTBTzQ‐2OC1, is prepared by alternating [1,2,3]triazolo[4,5‐g]quinoxaline and 9,9‐didodecyl‐fluorene. With a bandgap of 1.63 eV, this polymer has wide absorption ranging from 300–760 nm in film. Bulk heterojunction solar cells fabricated by blending PFDTBTzQ‐2OC1 with [6,6]‐phenyl‐C 71 ‐butyric acid methyl ester exhibit a maximum power conversion efficiency of 1.31%, with a short‐circuit current density of 1.98 mA cm –2 , an open‐circuit voltage of 0.74 V, and a fill factor of 0.47.