Solvent effects on absorption and fluore
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Y. Richter; I.B. Berlman; I. Agranat
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Article
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1977
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Elsevier Science
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English
β 406 KB
Three representative diphenyltriafulvenes, 4,4'-dicy.mo-1 ,2-diphenyltriafulvenc (I), hexaphenyltriapentafulvalene (II) and IO-(3,3diphenylcyclopropenyliden)-anthrone (III) have been investigated. On excitation. the dipole moment of I decreases and reverses sign, i.e., from a value of 7.9 D in the g