✦ LIBER ✦

Excitation energy relaxation of rhodamine B in Langmuir-Blodgett monolayer films: Picosecond time-resolved fluorescence studies

✍ Scribed by Naoto Tamai; Tomoko Yamazaki; Iwao Yamazaki

Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 449 KB
Volume: 147
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(88)80217-3

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✦ Synopsis

Excitation energy relaxation ofN,N'-dioctadecylrhodamine B incorporated in Langmuir-Blodgett monolayers has been studied with a picosecond time-resolved fluorescence spectrophotometer. Relaxation of singlet excitation energy in a monomolecular layer was interpreted in terms of ( 1 ) energy migration among different sites with a fractal-like distribution which are energetically or spatially disordered and (2) energy trapping by higher aggregates.

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