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Slow internal conversion between two close lying singlet states in a large molecule: azuleno[5,6,7-cd]phenalene

✍ Scribed by A.R. Holzwarth; K. Razi Naqvi; U.P. Wild

Publisher: Elsevier Science
Year: 1977
Tongue: English
Weight: 412 KB
Volume: 46
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(77)80632-5

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✦ Synopsis

The anomalous cmissmn properties of a7uIeno[5,6,7-cd1Iphcnalcnc are discussed. Due to the small gsp betwwcen the third and second cxcitcd smglet state S3 -S2 internal conversion 1s slow. A strong S3 -* So fluorccccnce cm therefore be observed.