✦ LIBER ✦

Direct measurement of proton dissociation in thhe excited state of protonated 1-aminopyrene with picosecond pulses

✍ Scribed by Haruo Shizuka; Kinzo Tsutsumi; Hiroshi Takeuchi; Ikuzo Tanaka

Publisher: Elsevier Science
Year: 1979
Tongue: English
Weight: 393 KB
Volume: 62
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(79)80208-0

No coin nor oath required. For personal study only.

✦ Synopsis

Direct rn~~su~ernent of prorun diso&tion in rile excited singlet cafe of protonated I-aminopyrene in a mhture of 1320 (or DzO) and xetonitrdc (1 I I) has btvn carr%d out b> means of picoxcond time-resohed spectroscopy_ The proton disso-&tion ratL~k~~;tnd kD+,t about 300 K uere determined to be 3.7 (50.6) X lo9 s-r 3nd Z-7 I* 05) X IO9 s-t, respectively. Thew rates are in wry :ood agreement ~iith thox obtained by nanosecond time-resoled spectroscopy uith tluorometry. The ewited sinu_Iet state pS; v;llue of I-aminopl rene ~-3s 3Iso determined by d> namic 3naIyses.

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