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Dual phosphorescence from rigid glass solutions of phenyl alkyl ketones

✍ Scribed by N. Kanamaru; M.E. Long; E.C. Lim

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 832 KB
Volume: 26
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(74)89071-8

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Several phenyl alkyl ketones display two overlapping short-lived pilosphorescenccs at 77"K, with O-O bands at 384 nm (74.5 kcal) and 397 nm (72.0 kcal). The hgher energy emission (T = S-10 msec) is favored in rigid methylcyclohesane glasses, while the proportion of lowcr-encrgy emission (T = 4-5 mse