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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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Publication details

The article was received on 25 Jun 2013, accepted on 05 Jul 2013 and first published on 05 Jul 2013


Article type: Communication
DOI: 10.1039/C3TA12478A
Citation: 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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