Hydrophobic effects on photophysical and photochemical processes *** and excimer formation of alkyl β-naphthoates with long chain in poor solvents
Hydrophobic effects on photophysical and photochemical processes *** and excimer formation of alkyl β-naphthoates with long chain in poor solvents作者机构：Institute Of Photographic Chemistry Academia Sinica Beijing
出 版 物：《Chinese Journal of Chemistry》 (中国化学(英文版))
年 卷 期：1988年第6卷第1期
页 面：52-61页
主 题：naphthoates with long chain in poor solvents Hydrophobic effects on photophysical and photochemical processes 1.Aggregation and excimer formation of alkyl
摘 要：The fluorescence spectra of alkyl β-naphthoates with various chain lengths（A）inDMSO-HO and ethylene glycol-water（EG-HO）mixtures were *** β-naphthoateswith short chain show monomer fluorescence only in both solvent mixtures,while fluorescence spectraof long chain alkyl β-naphthoates are dominated by excimer *** of long chainhydrocarbon or amylose resulted in the reduction of excimer emission and enhancement of mono-mer *** these experimental results supported intermolecular aggregation of long chain alkylβ-naphthoates in poor *** kinetic parameters of the formation and dissociation ofexcimer as well as fluorescence polarization in aggregates were *** data provided aninsight into the characteristics of aggregates.
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