The doublet-doublet fluorescence spectra of benzyl, pmethylbenzyl andpchlorobenzyl radicals were detected in the 450-650 nm region upon the double-pulse (248 nm-+308 nm) excitation of corresponding benzyl chlorides in hexane at room temperature. The respective fluorescence lifetimes were determined
โฆ LIBER โฆ
Triplet-sensitized doublet-doublet fluorescence of p-methoxybenzyl radical in solution at room temperature
โ Scribed by Kunihiro Tokumura; Fumie Kiso; Mitsue Dohi; Nobuyuki Takamichi; Michiya Itoh
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 416 KB
- Volume
- 163
- Category
- Article
- ISSN
- 0009-2614
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Transient absorption and two-step laser-induced-fluorescence measurements confirmed that the transient pmethoxybenzylperoxy radical generated via the oxygenation of the pmethoxybenzyl radical releases molecular oxygen upon the 308 nm pulse excitation. In the air-saturated n-hexane and cyclohexaue at