Issue 0, 1972

Absorption spectrum and decay kinetics of triplet pentacene in solution, studied by flash photolysis

Abstract

The absorption spectrum of triplet pentacene in benzene and cyclohexane was determined at 50°C and assignments of the peaks were made. A kinetic study of the triplet absorption showed that the triplet decays by three competing processes: (1) a temperature-independent (between –96 and +50°C) radiationless transition to the ground state, (2) a triplet-triplet quenching process of low efficiency, and (3) a reversible reaction with ground-state pentacene producing a transient compound assumed to be a pentacene dimer.

Article information

Article type
Paper

J. Chem. Soc., Faraday Trans. 2, 1972,68, 1928-1937

Absorption spectrum and decay kinetics of triplet pentacene in solution, studied by flash photolysis

C. Hellner, L. Lindqvist and P. C. Roberge, J. Chem. Soc., Faraday Trans. 2, 1972, 68, 1928 DOI: 10.1039/F29726801928

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