Time-resolved infrared-absorption study of photoinduced charge transfer in a polythiophene-methanofullerene composite film

S.C.J. Meskers, P.A. Hal, van, A.J.H. Spiering, J.C. Hummelen, A.F.G. Meer, van der, R.A.J. Janssen

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Abstract

Photoinduced charge separation and recombination in poly(3-hexylthiophene)-fullerene derivative composite films is investigated at low temperature (80 K) by measuring the time-resolved photoinduced absorption due to the infrared active vibrational (IRAV) modes of the polymer in the region 1125–1300 cm-1. The charge separation under 532 nm excitation (repetition rate 5 Hz) is found to be faster than the time resolution of the setup (
Original languageEnglish
Pages (from-to)9917-9920
Number of pages3
JournalPhysical Review B
Volume61
Issue number15
DOIs
Publication statusPublished - 2000

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