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Picosecond-laser study of triplet state population of carbonyl derivatives of anthracene

✍ Scribed by S. Hirayama; T. Kobayashi

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
347 KB
Volume
52
Category
Article
ISSN
0009-2614

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✦ Synopsis

A picosecond-her study of tour carbonyl dcrlvativcs of mthraccnc ~I.I\ rcvealetl that the lowest triplet states arc populated very rapidly. first order rate constants king between 5 X IO9 and 10" <' . Iiowcver, the observed r.ltc constants of triplet population arc assigned to those of the mtcrnal conversion ofT,,* -+ TI,, * siucc the rate constants, tar the intcr\yGem crorsing St,,* --* T,,, * must be larger than the former by at leart one order of magnitude.

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