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Design of ultra-high luminescent polymers for organic photovoltaic cells with low energy loss
- Authors
- Wang, Jingwen; Ma, Lijiao; Lee, Young Woong; Yao, Huifeng; Xu, Ye; Zhang, Shaoqing; Woo, Han Young; Hou, Jianhui
- Issue Date
- 16-9월-2021
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- CHEMICAL COMMUNICATIONS, v.57, no.72, pp.9132 - 9135
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMICAL COMMUNICATIONS
- Volume
- 57
- Number
- 72
- Start Page
- 9132
- End Page
- 9135
- ISSN
- 1359-7345
- Abstract
- Here, new polymers named PBTT-Cn (n = 3, 4, or 5) have been designed based on carboxylate-functionalized thieno[3,2-b]thiophene units. The electroluminescence external quantum efficiencies (EQE(EL)) of pristine PBTT-C4 and C5 films are over 1 x 10(-2), which are among the highest results for OPV materials. Through combination with BTP-eC9, the PBTT-C4-based film showed a high EQE(EL) of 6 x 10(-4) and the Vnon-radloss is 0.19 eV. As a result, a high open-circuit voltage of 0.89 V and a satisfactory PCE of 15% were recorded in the PBTT-C4-based OPV cells.
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Collections - College of Science > Department of Chemistry > 1. Journal Articles
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