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Origin of the anomalous phosphorescence of aromatic ketones. Xanthone in 3-methylpentane

โœ Scribed by Henry J. Pownall; Robert E. Connors; J. Robert Huberm

Book ID
103014423
Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
245 KB
Volume
22
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Based on an emission study of xanthone at =2 and 77ยฐK it is concluded that the "dual" phosphorescence at 77ยฐK in a 3-methylpentane glass matrix is due to emission from two n,tr * triplet states of xanthone. The two triplet states and their respective ground states'are distinguished by their different molecular geometries.

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