Hole diffusion-controlled geminate charge recombination dynamics in doped poly(N-vinylcarbazole) films by transient absorption spectroscopy

Kazuya Watanabe*, Tsuyoshi Asahi, Hiroshi Masuhara

*Corresponding author for this work

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

Charge recombination dynamics of photogenerated ionic species in poly(N-vinylcarbazole) films doped with an electron acceptor was investigated by transient absorption spectroscopy in the microsecond to millisecond time region. The absorption decay was independent of the concentration of the ionic species and approximately obeys at- 1 2 time dependence. The observed recombination process was well interpreted in terms of hole diffusion-controlled geminate recombination process.

Original languageEnglish
Pages (from-to)69-74
Number of pages6
JournalChemical Physics Letters
Volume233
Issue number1-2
DOIs
StatePublished - 3 Feb 1995

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