Improving efficiency of organic photovoltaic cells with pentacene-doped CuPc layer

Wei Bing Chen, Hai Feng Xiang, Zong Xiang Xu, Bei Ping Yan, V. A.L. Roy, Chi Ming Che, Pui To Lai

Research output: Contribution to journalArticlepeer-review

67 Citations (Scopus)

Abstract

We have fabricated efficient heterojunction organic photovoltaic (OPV) cells based on pentacene-doped copper(II) phthalocyanine (CuPc) layer as donor and fullerene (C60) layer as acceptor. The power conversion efficiency of 4% pentacene-doped CuPcC60 OPV cell (3.06%) is increased by 77% compared with that of the standard CuPcC60 OPV cell (1.73%). The efficiency improvement can be attributed to the higher carrier mobility instead of the stronger photon absorption of the pentacene-doped CuPc layer.

Original languageEnglish
Article number191109
JournalApplied Physics Letters
Volume91
Issue number19
DOIs
Publication statusPublished - 2007
Externally publishedYes

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