Ordered polythiophene/fullerene composite core-shell nanorod arrays for solar cell applications

Hsu Shen Wang, Li Hua Lin, Shih Yung Chen, Yuh Lin Wang, Kung-Hwa Wei

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

For the first time, we have used melt-assisted wetting of porous alumina templates to prepareordered core-shell nanorod arrays of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C 61 -butyric acid methyl ester (PCBM) for use in polymer solar cells. We characterized these arrays using tunneling electron microscopy and conductance atomic force microscopy, which revealed the presence of phase-separated shell (p-type) and core (n-type) regions. Under illumination, we observed a variation of several picoamperes between the currents in the core and shell regions of the P3HT/PCBM nanorod arrays.

Original languageEnglish
Article number075201
JournalNanotechnology
Volume20
Issue number7
DOIs
StatePublished - 28 Apr 2009

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