skip to main content

DOE PAGESDOE PAGES

Title: Design and synthesis of chlorinated benzothiadiazole-based polymers for efficient solar energy conversion

Here, chlorinated benzothiadiazide based polymers with multiple chlorine atoms has been designed and synthesized for polymer solar cells with enhanced open circuit voltage up to 0.85 V. The chlorine substitution is found to significantly adjust the band gap of the polymers, and change polymer’s orientation from random morphology of chlorine free PBT4T-2OD, to mixed face-on packing of one chlorine substituted PCBT4T-2OD, and finally to edge-on of two chlorine substituted PCCBT4T-2OD. The optimized chlorinated polymer, PCBT4T-2OD with only one chlorine atom substituted on BT moiety, has been founded to achieve the highest power conversion efficiency up to 8.20% with PC 71BM, which is about 68% higher than that of its non-chlorine analogues.
Authors:
 [1] ;  [2] ;  [2] ;  [2] ;  [2] ;  [2] ; ORCiD logo [2] ;  [3] ; ORCiD logo [2] ;  [4] ; ORCiD logo [5] ; ORCiD logo [2]
  1. South Univ. of Science and Technology of China, Shenzhen (People's Republic of China); Xiamen Univ., Xiamen (China)
  2. South Univ. of Science and Technology of China, Shenzhen (People's Republic of China)
  3. Xiamen Univ., Xiamen (China)
  4. Argonne National Lab. (ANL), Lemont, IL (United States)
  5. Argonne National Lab. (ANL), Lemont, IL (United States); The Univ. of Chicago, Chicago, IL (United States)
Publication Date:
Grant/Contract Number:
AC02-06CH11357
Type:
Accepted Manuscript
Journal Name:
ACS Energy Letters
Additional Journal Information:
Journal Volume: 2; Journal Issue: 4; Journal ID: ISSN 2380-8195
Publisher:
American Chemical Society (ACS)
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); Materials Sciences and Engineering Division; National Basic Research Program of China
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 14 SOLAR ENERGY
OSTI Identifier:
1352929

Hu, Zhiming, Chen, Hui, Qu, Jianfei, Zhong, Xiaowei, Chao, Pengjie, Xie, Mo, Lu, Wei, Liu, Anhua, Tian, Leilei, Su, Yu -An, Chen, Wei, and He, Feng. Design and synthesis of chlorinated benzothiadiazole-based polymers for efficient solar energy conversion. United States: N. p., Web. doi:10.1021/acsenergylett.7b00092.
Hu, Zhiming, Chen, Hui, Qu, Jianfei, Zhong, Xiaowei, Chao, Pengjie, Xie, Mo, Lu, Wei, Liu, Anhua, Tian, Leilei, Su, Yu -An, Chen, Wei, & He, Feng. Design and synthesis of chlorinated benzothiadiazole-based polymers for efficient solar energy conversion. United States. doi:10.1021/acsenergylett.7b00092.
Hu, Zhiming, Chen, Hui, Qu, Jianfei, Zhong, Xiaowei, Chao, Pengjie, Xie, Mo, Lu, Wei, Liu, Anhua, Tian, Leilei, Su, Yu -An, Chen, Wei, and He, Feng. 2017. "Design and synthesis of chlorinated benzothiadiazole-based polymers for efficient solar energy conversion". United States. doi:10.1021/acsenergylett.7b00092. https://www.osti.gov/servlets/purl/1352929.
@article{osti_1352929,
title = {Design and synthesis of chlorinated benzothiadiazole-based polymers for efficient solar energy conversion},
author = {Hu, Zhiming and Chen, Hui and Qu, Jianfei and Zhong, Xiaowei and Chao, Pengjie and Xie, Mo and Lu, Wei and Liu, Anhua and Tian, Leilei and Su, Yu -An and Chen, Wei and He, Feng},
abstractNote = {Here, chlorinated benzothiadiazide based polymers with multiple chlorine atoms has been designed and synthesized for polymer solar cells with enhanced open circuit voltage up to 0.85 V. The chlorine substitution is found to significantly adjust the band gap of the polymers, and change polymer’s orientation from random morphology of chlorine free PBT4T-2OD, to mixed face-on packing of one chlorine substituted PCBT4T-2OD, and finally to edge-on of two chlorine substituted PCCBT4T-2OD. The optimized chlorinated polymer, PCBT4T-2OD with only one chlorine atom substituted on BT moiety, has been founded to achieve the highest power conversion efficiency up to 8.20% with PC71BM, which is about 68% higher than that of its non-chlorine analogues.},
doi = {10.1021/acsenergylett.7b00092},
journal = {ACS Energy Letters},
number = 4,
volume = 2,
place = {United States},
year = {2017},
month = {3}
}