Laser-induced geometrical change of fluorescent traps in cast films of carbazole-containing bilayer membranes

Akira Itaya*, Kouji Yamamoto, Hiroshi Masuhara, Nobuo Kimizuka, Toyoki Kunitake

*Corresponding author for this work

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

The effect of excimer laser irradiation on cast films of carbazole-containing bilayer membranes was investigated by measuring absorption and fluorescence spectra. A remarkable fluorescence spectral change on laser irradiation was observed, although no absorption spectral change was ever observed. The fluorescence spectral change was different from that induced by xenon lamp irradiation, and was attributed to structural change of the carbazolyl aggregates induced by a thermalization process from higher excited states.

Original languageEnglish
Pages (from-to)137-143
Number of pages7
JournalThin Solid Films
Volume202
Issue number1
DOIs
StatePublished - 15 Jul 1991

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