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

doi:10.1016/0040-6090(91)90549-D

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

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

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 language	English
Pages (from-to)	137-143
Number of pages	7
Journal	Thin Solid Films
Volume	202
Issue number	1
DOIs	https://doi.org/10.1016/0040-6090(91)90549-D
Publication status	Published - Jul 15 1991

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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title = "Laser-induced geometrical change of fluorescent traps in cast films of carbazole-containing bilayer membranes",

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.",

author = "Akira Itaya and Kouji Yamamoto and Hiroshi Masuhara and Nobuo Kimizuka and Toyoki Kunitake",

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AU - Yamamoto, Kouji

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AU - Kimizuka, Nobuo

AU - Kunitake, Toyoki

PY - 1991/7/15

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AB - 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.

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