Affiliation:
1. Iwan N. Stranski-Institut für Physikalische und Theoretische Chemie, Technischen Universität Berlin
Abstract
Abstract
The influence of the excitation intensity on the laser spectra of solutions of 4-methylumbelliferone in HCl/C2H5OH has been investigated. There are three distinct laser emissions at 4100 Å, 4900 Å and 5300 Å, respectively, the third of which only occurs within a HCl-concentration range of 10 -2 m/l < cHCl < 2.5 m/l. This emission is quenched if the laser threshold for the emission of the neutral form of 4-methylumbelliferonc at 4100 Å is exceeded.
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics
Cited by
16 articles.
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