Copper-phthalocyanine-based organic solar cells with high open-circuit voltage

V. P. Singh, R. S. Singh, B. Parthasarathy, A. Aguilera, J. Anthony, M. Payne

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

We report on a copper phthalocyanine (CuPc)/3,4,9,10 perylenetetracarboxylic bisbenzimidazole (PTCBI) organic solar cell with an aluminum cathode exhibiting an open-circuit voltage (VOC) of 1150 mV and a short-circuit current density (JSC) of 0.125 mA cm2. For comparison, aluminum and silver were used as electrode materials and their effects on device characteristics were studied; silver yielded lower VOC but higher JSC and higher efficiency. Results could be understood through a model that hypothesized surface modification of CuPc by PTCBI and the formation of a thin insulating layer between aluminum and PTCBI when aluminum was used as electrode.

Original languageEnglish
Article number082106
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume86
Issue number8
DOIs
StatePublished - Feb 21 2005

Bibliographical note

Funding Information:
This work was supported in part by a grant from the Kentucky Science Engineering Foundation as per Grant Agreement No. KSEF-148-502-02-27 with the Kentucky Science and Technology Corporation.

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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