## Abstract Fluorescence rise and decay processes were measured and rate parameters were determined for the pyreneβtriβ__n__βbutylamine and pyreneβN,Nβdiethylaniline exciplex system in various solvents. An additional activation energy over that for the diffusional motion appears necessary for both
Time-Resolved Fluorescence Study on the Pressure-Induced Viscosity Dependence of Exciplex Formation in Liquid Solution
β Scribed by Okamoto, Masami
- Book ID
- 126808768
- Publisher
- American Chemical Society
- Year
- 2000
- Tongue
- English
- Weight
- 118 KB
- Volume
- 104
- Category
- Article
- ISSN
- 1089-5639
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Time-resolved fluorescence anisotropy measurements have been performed upon an acenaphthylenelabelled (0.5 tool%) sample of poly(N-isopropylacrylamide), PNIPAM, in dilute solutions in both methanol and water as solvents. In methanol, segmental relaxation of PNIPAM follows an Arrhenius dependence upo
By means of time-resolved total internal reflection (TIR) fluorescence measurements, rise and decay profiles of the pyrene excimer fluorescence were examined in toluene containing 3.3x 10e4 mol dm-" of poly(methy1 methacrylate) (PMMA, MW= 120000). In addition to a reduction of the fluorescence inten