Time-Resolved Fluorescence of Ferrocene/Flavin/Viologen/TCNQ Hetero LB Film

Kyung Sang Cho, Jeong Woo Choi, Won Hong Lee, Nam Woong Song, Dongho Kim

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Time-resolved fluorescence was measured with hetero Langmuir-Blodgett (LB) films consisting of ferrocene/flavin/viologen/TCNQ on quartz substrate. Ferrocene, flavin, viologen and TCNQ were used as a electron donor (D), sensitizer (S), relay (R) and acceptor (A) units, respectively. Power dependence on charge separation rate was investigated to examine the local heating problem or the excited state annihilation. Based on the decay of fluorescence, charge separation from excited S to R (or A) was calculated. Result showed that long-range electron transfer from S to A occurred in the D/S/R/A hetero LB film in addition to the electron transfer from S to R.

Original languageEnglish
Pages (from-to)245-248
Number of pages4
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume327
DOIs
Publication statusPublished - 1999 Jan 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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