Issue 34, 2013
From the journal:

Journal of Materials Chemistry A

Amine group functionalized fullerene derivatives as cathode buffer layers for high performance polymer solar cells†

Zhi-Guo Zhang,a   Hui Li,a   Boyuan Qi,a   Dan Chi,a   Zhiwen Jin,a   Zhe Qi,a   Jianhui Hou,*b   Yongfang Li*a  and  Jizheng Wang*a  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
E-mail: jizheng@iccas.ac.cn, liyf@iccas.ac.cn

b State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
E-mail: hjhzlz@iccas.ac.cn

Abstract

An easy-accessible amine group functionalized fullerene derivative, DMAPA-C60, is explored as a cathode buffer layer (CBL) in polymer solar cells (PSCs) for our presently tested three different material systems, namely P3HT:PCBM, PBDTTT-C:PC70BM and PBDTTT-C-T:PC70BM. The power conversion efficiencies of the three systems with DMAPA-C60 as the CBL reach 3.88%, 6.29% and 7.42%, respectively, which are much higher than those of the corresponding PSCs with the Al-only cathode and even slightly higher than those of the corresponding Ca/Al devices of these systems. The DMAPA-C60 CBL also allows high work function metals (Ag, Cu, and Au) as cathodes.

Graphical abstract: Amine group functionalized fullerene derivatives as cathode buffer layers for high performance polymer solar cells

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Article information

DOI
https://doi.org/10.1039/C3TA12478A
Article type
Communication
Submitted
25 Jun 2013
Accepted
05 Jul 2013
First published
05 Jul 2013

J. Mater. Chem. A, 2013,1, 9624-9629

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Amine group functionalized fullerene derivatives as cathode buffer layers for high performance polymer solar cells

Z. Zhang, H. Li, B. Qi, D. Chi, Z. Jin, Z. Qi, J. Hou, Y. Li and J. Wang, J. Mater. Chem. A, 2013, 1, 9624 DOI: 10.1039/C3TA12478A

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