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Triplet dynamics of benzaldehyde as studied by electron impact excitation

✍ Scribed by Akinori Inoue; Nozomu Ebara

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
400 KB
Volume
109
Category
Article
ISSN
0009-2614

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✦ Synopsis

Electron-impact-induced luminescence was measured for benzaldehyde at low vapor pressure_ Phosphorescence bands from the zero-point level of T1 were observed at 397.427, and 460 nm. The pressure dependence of the phosphorescence decay rate was found to be essentially the same as that obtained by optical excitation. In addition to these bands, closely spaced, weak emission bands were observed. These emissions were found to have much shorter lifetimes than the phosphorescence from the zero-point level and to be sensitive to collisional quenching. We assig the latter bands to the phosphorescence from vibrational& exited T1 molecules.

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