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Issue 34, 2013
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Amine group functionalized fullerene derivatives as cathode buffer layers for high performance polymer solar cells

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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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Supplementary files

Article information


Submitted
25 Jun 2013
Accepted
05 Jul 2013
First published
05 Jul 2013

J. Mater. Chem. A, 2013,1, 9624-9629
Article type
Communication

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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