A C70-carbon nanotube complex for bulk heterojunction photovoltaic cells

Xinbo C. Lau, Zhiqian Wang, Somenath Mitra

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10 Scopus citations

Abstract

A C70 fullerene-multi-walled carbon nanotube (C70-CNT) complex has been used as a component of the photoactive layer in a bulk heterojunction photovoltaic cell. As compared to a control device with only C70, the addition of CNTs led to improvements in short circuit current density (Jsc), open circuit voltage (Voc), and power conversion efficiency by 31.8, 17.5, and 69.5%, respectively. This device takes advantage of both the electron accepting feature of C70 and the high electron transport capability of CNTs. These results indicate that C70 decorated CNT is a promising additive for performance enhancement of polymer photovoltaic cells.

Original languageEnglish (US)
Article number243108
JournalApplied Physics Letters
Volume103
Issue number24
DOIs
StatePublished - Dec 9 2013

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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