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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 42, Iss. 1 — Jan. 1, 1988
  • pp: 27–31

Triplet-State Kinetics of 2,5 Diphenyloxazole (PPO)

A. N. Dharamsi and Shawpin Jong

Applied Spectroscopy, Vol. 42, Issue 1, pp. 27-31 (1988)


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Abstract

Time-resolved excited-state triplet-triplet absorption spectra were measured for solutions of 2,5 diphenyloxazole (PPO) in various solvents, with the use of a pump and probe technique. The rate constants for intersystem crossing, triplet deactivation by oxygen, and triplet-triplet self-quenching are obtained. The latter two rate constants are substantially larger than the corresponding rate constants for 2-(1 naphthyl)-5-phenyloxazole-αNPO.

Citation
A. N. Dharamsi and Shawpin Jong, "Triplet-State Kinetics of 2,5 Diphenyloxazole (PPO)," Appl. Spectrosc. 42, 27-31 (1988)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-42-1-27


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