Excited State Absorption Measurements In Some Scintillator Dye Solutions

A, N Dharamsi; Shawpin Jong; A B Hassam

doi:10.1117/12.938954

25 November 1986 Excited State Absorption Measurements In Some Scintillator Dye Solutions

A, N Dharamsi, Shawpin Jong, A B Hassam

Proceedings Volume 0669, Laser Applications in Chemistry; (1986) https://doi.org/10.1117/12.938954
Event: 1986 Quebec Symposium, 1986, Quebec City, Canada

Abstract

Time-resolved excited state triplet-triplet absorption spectra were measured for solutions of 2,5 diphenyloxazole (PPO) and 2,1 napthyl, 5 phenyloxazole (aNPO) in several solvents. Concentration quenching effects due to excimer formation in nonaromatic solvents were observed. A numerical analysis of the experimental results yielded the rate constants for intersystem crossing, triplet quenching by 02, triplet self quenching and the formation of excimers.

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A, N Dharamsi, Shawpin Jong, and A B Hassam "Excited State Absorption Measurements In Some Scintillator Dye Solutions", Proc. SPIE 0669, Laser Applications in Chemistry, (25 November 1986); https://doi.org/10.1117/12.938954

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