A lactam building block for efficient polymer solar cells

Jiamin Cao; Liu Qian; Futai Lu; Jianqi Zhang; Yaqing Feng; Xiaohui Qiu; Hin-Lap Yip; Liming Ding

doi:10.1039/c5cc03620h

A lactam building block for efficient polymer solar cells

Chem Commun (Camb). 2015 Jul 28;51(59):11830-3. doi: 10.1039/c5cc03620h.

Authors

Jiamin Cao¹, Liu Qian, Futai Lu, Jianqi Zhang, Yaqing Feng, Xiaohui Qiu, Hin-Lap Yip, Liming Ding

Affiliation

¹ National Center for Nanoscience and Technology, Beijing 100190, China. ding@nanoctr.cn xhqiu@nanoctr.cn.

PMID: 26108980
DOI: 10.1039/c5cc03620h

Abstract

A new lactam acceptor unit, [7,7'-bidithieno[3,2-b:2',3'-d]pyridine]-5,5'(4H,4'H)-dione (BDTP), was developed. A D-A copolymer PThBDTP using BDTP as the acceptor unit and thiophene as the donor unit was synthesized. PThBDTP:PC71BM solar cells gave a decent PCE of 9.13% with a V(oc) of 0.96 V. PThBDTP is one of the few D-A copolymers with PCEs of over 9%.