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The fluorescence spectrum and lifetime of the anthracene/trans, trans-2,4-Hexadiene exciplex

✍ Scribed by Brant D. Watson; David E. Townsend; Jack Saltiel

Publisher: Elsevier Science
Year: 1976
Tongue: English
Weight: 360 KB
Volume: 43
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(76)85306-7

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✦ Synopsis

A weak transient fluorescence (&f * 0.0036 and r = 27 ns) has been detected by employing single photon counting methods from solutions of anthracene, 6.7X low5 M, and trans.trans-2,4-hexadiene, 1.76 M. This emission is tentatively assigned to the anthracene/l,3diene exciplex and appears to confirm the mechanism for 1,3diene enhanced anthracene photo dimerization previously proposed for this system. The formation of an anthraceneltrans. tram-2,4hexadiene exciplex, '(AD),

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