Nonfullerene Polymer Solar Cell with Large Active Area of 216 cm2 and High Power Conversion Efficiency of 7.7%

Kuan Min Huang, Chih Ming Lin, Szu Han Chen, Cheng Sian Li, Chen Hsuan Hu, Yu Zhang, Hsin Fei Meng*, Chih Yu Chang, Yu Chiang Chao, Hsiao Wen Zan, Lijun Huo, Peichen Yu


研究成果: 雜誌貢獻期刊論文同行評審

13 引文 斯高帕斯(Scopus)


A polymer solar cell involving a nonfullerene acceptor is made by blade coating. In the ternary bulk-heterojunction layer, the donor is poly[(2,6-(4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b’]dithiophene))-co-(1,3-di(5-thiophene-2-yl)- 5,7-bis(2-ethylhexyl)benzo[1,2-c:4,5-c’]dithiophene-4,8-dione)] (PBDB-T) and the acceptor is a mixture of 3,9-bis(2-methylene-(3-(1,1-dicyanomethylene)-indanone))-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno[2,3-d:2’,3’-d’]-s-indaceno[1,2-b:5,6-b’]dithiophene) (ITIC) and [6,6]-phenyl C71-butyric acid methyl ester (PC71BM). The device structure is an indium tin oxide (ITO)-coated glass substrate/PEDOT:PSS/ternary active layer/interfacial layer/Al. For a small active area of 0.04 cm2, the best power conversion efficiency is 9.8% with the LiF interfacial layer. For a large active area of 216 cm2, the best efficiency is 7.7% with the ZrOx interfacial layer. After annealing at 85 °C for 30 days, the large-area device keeps 75% of the initial efficiency. The efficiency of 4.9% is achieved for a large-area semi-transparent device.

期刊Solar RRL
出版狀態已發佈 - 2019 八月 1

ASJC Scopus subject areas

  • 電子、光磁材料
  • 原子與分子物理與光學
  • 能源工程與電力技術
  • 電氣與電子工程


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