Picosecond Kinetics Of Excited State Decay Processes In Internally Hydrogen-Bonded Polymer Photostabilizers

Alan L. Huston; Gary W. Scott

doi:10.1117/12.933241

23 April 1982 Picosecond Kinetics Of Excited State Decay Processes In Internally Hydrogen-Bonded Polymer Photostabilizers

Alan L. Huston, Gary W. Scott

Author Affiliations +

Proceedings Volume 0322, Picosecond Lasers and Applications; (1982) https://doi.org/10.1117/12.933241
Event: 1982 Los Angeles Technical Symposium, 1982, Los Angeles, United States

Abstract

We report results of recent measurements of excited state decay kinetics in molecules which are commonly used as commercial polymer photostabilizers. Discussion centers on molecules in the 2-(2'-hydroxypheny1)-benzotriazole and 2-hydroxybenzophenone classes. Determination of room temperature fluorescence decay, transient absorption and ground state absorption recovery kinetics are presented. In addition, low temperature spectra and variable temperature fluorescence decay kinetics are also presented. Solvent effects on the spectra and kinetics give considerable insight into the radiationless processes that occur in these systems.

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Alan L. Huston and Gary W. Scott "Picosecond Kinetics Of Excited State Decay Processes In Internally Hydrogen-Bonded Polymer Photostabilizers", Proc. SPIE 0322, Picosecond Lasers and Applications, (23 April 1982); https://doi.org/10.1117/12.933241

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