A series of new medium-bandgap conjugated polymers based on naphtho[1,2-c:5,6-c]bis(2-octyl-[1,2,3]triazole) for high-performance polymer solar cells

Yang Dong; Xiaowen Hu; Chunhui Duan; Peng Liu; Shengjian Liu; Liuyuan Lan; Dongcheng Chen; Lei Ying; Shijian Su; Xiong Gong; Fei Huang; Yong Cao

doi:10.1002/adma.201301547

A series of new medium-bandgap conjugated polymers based on naphtho[1,2-c:5,6-c]bis(2-octyl-[1,2,3]triazole) for high-performance polymer solar cells

Adv Mater. 2013 Jul 19;25(27):3683-8. doi: 10.1002/adma.201301547. Epub 2013 May 31.

Authors

Yang Dong¹, Xiaowen Hu, Chunhui Duan, Peng Liu, Shengjian Liu, Liuyuan Lan, Dongcheng Chen, Lei Ying, Shijian Su, Xiong Gong, Fei Huang, Yong Cao

Affiliation

¹ Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China.

PMID: 23722499
DOI: 10.1002/adma.201301547

Abstract

A series of novel conjugated copolymers based on naphtho[1,2-c:5,6-c]bis(2-octyl-[1,2,3]triazole) (TZNT) are synthesized. These copolymers exhibit medium bandgaps of ≈1.9 eV. One of them demonstrates a high performance of up to 6.10% power conversion efficiency in a bulk-heterojunction (BHJ) solar-cell device. The performance can be further enhanced to 7.11% when applied in an inverted device architecture, using PF3 N-OX as an interfacial modifier.

Keywords: conjugated polymers; inverted devices; naphtho[1,2-c:5,6-c]bis(2-octyl-[1,2,3]triazole); polymer solar cells.