Fullerene derivative-doped zinc oxide nanofilm as the cathode of inverted polymer solar cells with low-bandgap polymer (PTB7-Th) for high performance.

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Abstract

Modification of a ZnO cathode by doping it with a hydroxyl-containing derivative - giving a ZnO-C60 cathode - provides a fullerene-derivative-rich surface and enhanced electron conduction. Inverted polymer solar cells with the ZnO-C60 cathode display markedly improved power conversion efficiency compared to those with a pristine ZnO cathode, especially when the active layer includes the low-bandgap polymer PTB7-Th.

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Author and article information

Journal

Journal ID (iso-abbrev): Adv Mater

Title: Advanced materials (Deerfield Beach, Fla.)

Publisher: Wiley

ISSN (Electronic): 1521-4095

ISSN (Print): 0935-9648

Publication date (Electronic): Sep 14 2013

Volume: 25

Issue: 34

Affiliations

[1 ] Chemical Engineering Department and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing-Hua University, Hsinchu 30013, Taiwan, ROC.