Organic solar cells based on a Cu2O/FBT-TH4 anode buffer layer with enhanced power conversion efficiency and ambient stability

Yaxiong Guo; Hongwei Lei; Liangbin Xiong; Borui Li; Guojia Fang

doi:10.1039/C7TC02566A

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Organic solar cells based on a Cu₂O/FBT-TH4 anode buffer layer with enhanced power conversion efficiency and ambient stability†

Yaxiong Guo,^a Hongwei Lei,^a Liangbin Xiong,

^ab Borui Li^a and Guojia Fang

*^a

Author affiliations

* Corresponding authors

^a Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education of China, Department of Electronic Science & Technology, School of Physics and Technology, Wuhan University, Wuhan 430072, P. R. China
E-mail: gjfang@whu.edu.cn
Fax: +86 27 68752569
Tel: +86 27 87642784

^b School of Physics and Electronic-information Engineering, Hubei Engineering University, Xiaogan, P. R. China

Abstract

An organic–inorganic integrated hole transport layer (HTL) composed of a semicrystalline 5,6-difluorobenzothiadiazole based conjugated polymer FBT-TH4 and cuprous oxide (Cu₂O) is successfully incorporated into conventional structured organic solar cells (OSCs). The optimized OSCs show a high power conversion efficiency of up to 9.56% and good stability under ambient conditions. The results highlight the potential application of this organic–inorganic integrated HTL in OSCs.

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Article information

DOI: https://doi.org/10.1039/C7TC02566A
Article type: Communication
Submitted: 10 Jun 2017
Accepted: 21 Jul 2017
First published: 22 Jul 2017

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J. Mater. Chem. C, 2017,5, 8033-8040

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Organic solar cells based on a Cu₂O/FBT-TH4 anode buffer layer with enhanced power conversion efficiency and ambient stability

Y. Guo, H. Lei, L. Xiong, B. Li and G. Fang, J. Mater. Chem. C, 2017, 5, 8033 DOI: 10.1039/C7TC02566A

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Journal of Materials Chemistry C