Direct observation of the excited-state
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Donald B. O'Connor; Gary W. Scott; Daniel R. Coulter; Amitava Gupta; S.P. Webb;
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Article
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1985
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Elsevier Science
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English
β 467 KB
The excited-sure dynamics 01 a 2-hydrolryphenylbenzorriazDle (HPB) pholostabilizer copolymerized wilh polystyrene are reported. HPB fluorescence rrom these copolymer films is observed at = 630 nm. characteristic of the proton-transrerred excited state of HP@. and il has a risetime of c 10 ps and a d