Photochromism of diarylethene derivatives in rigid polymer matrix: Structural dependence, matrix effect, and kinetics

Doo Hyung Kwon, Hee Won Shin, Eunkyoung Kim, Doo Wan Boo, Yong Rok Kim

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Photochromic reactions of three diarylethene derivatives embedded in three types of polymer matrices were studied using a variety of spectroscopic techniques and quantum ab initio computations. It was found that the photochromic efficiencies of diarylethene molecules depend on the structural and electronic characteristics of Franck-Condon region in the excited states, and also depend strongly on the sizes of free inner spaces of the matrices. The steady-state and time-resolved fluorescence studies revealed the detailed kinetics of the planar and twisted conformers in the excited states. The observed fluorescence lifetimes of the planar and twisted conformers were ~2.6 ns and 8~30 ns.

Original languageEnglish
Pages (from-to)234-243
Number of pages10
JournalChemical Physics Letters
Volume328
Issue number1-2
DOIs
Publication statusPublished - 2000 Sep 22

Fingerprint

Photochromism
photochromism
Polymer matrix
Excited states
Fluorescence
Derivatives
fluorescence
Kinetics
kinetics
polymers
matrices
excitation
life (durability)
Molecules
electronics
molecules

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Cite this

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abstract = "Photochromic reactions of three diarylethene derivatives embedded in three types of polymer matrices were studied using a variety of spectroscopic techniques and quantum ab initio computations. It was found that the photochromic efficiencies of diarylethene molecules depend on the structural and electronic characteristics of Franck-Condon region in the excited states, and also depend strongly on the sizes of free inner spaces of the matrices. The steady-state and time-resolved fluorescence studies revealed the detailed kinetics of the planar and twisted conformers in the excited states. The observed fluorescence lifetimes of the planar and twisted conformers were ~2.6 ns and 8~30 ns.",
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Photochromism of diarylethene derivatives in rigid polymer matrix : Structural dependence, matrix effect, and kinetics. / Kwon, Doo Hyung; Shin, Hee Won; Kim, Eunkyoung; Boo, Doo Wan; Kim, Yong Rok.

In: Chemical Physics Letters, Vol. 328, No. 1-2, 22.09.2000, p. 234-243.

Research output: Contribution to journalArticle

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