Influence of P3HT molecular weight on film processing and solar cell performance

Junle Yu, Jie Tang, Chao Wang, Yanqiong Zheng, Chihaya Adachi, Chenghui Zeng

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

1 被引用数 (Scopus)

抄録

Here, the influence of molecular weight (Mw) of P3HT on film morphology, film processing, and BHJ performance were investigated. The film morphology of Mw=10000 P3HT film is asperous, which corresponds to the relatively low device performance. The donor ratio of BHJ based on P3HT Mw=700000 at 10:7 (donor:acceptor) achieves the best photovoltaic performance. And the BHJs with various P3HT Mw (from 10000 to 700000) demonstrates that P3HT Mw=50000 achieves the highest power conversion efficiency probably due to the appropriate chain length thus good film morphology and donor-acceptor interface contact. Although large Mw P3HT has strong light absorption, however, the ropy solution limits the film fabrication. Therefore, relatively large but not too large Mw for donor polymer is suitable for polymer solar cells. The results show that the Mw of P3HT plays no large role in the device stability.

本文言語英語
ホスト出版物のタイトルProceedings - 2018 19th International Conference on Electronic Packaging Technology, ICEPT 2018
編集者Fei Xiao, Jun Wang, Lin Chen, Tianchun Ye
出版社Institute of Electrical and Electronics Engineers Inc.
ページ1602-1604
ページ数3
ISBN(電子版)9781538663868
DOI
出版ステータス出版済み - 10 2 2018
イベント19th International Conference on Electronic Packaging Technology, ICEPT 2018 - Shanghai, 中国
継続期間: 8 8 20188 11 2018

出版物シリーズ

名前Proceedings - 2018 19th International Conference on Electronic Packaging Technology, ICEPT 2018

その他

その他19th International Conference on Electronic Packaging Technology, ICEPT 2018
Country中国
CityShanghai
Period8/8/188/11/18

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials
  • Metals and Alloys
  • Polymers and Plastics

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