✦ LIBER ✦

Magnetic field effects on the photodissociation reaction of triphenylphosphine in non-viscous homogeneous solutions

✍ Scribed by Yoshio Sakaguchi; Hisaharu Hayashi

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 571 KB
Volume: 245
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(95)01028-8

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✦ Synopsis

Magnetic field effects on the photodissociation reaction of triphenylphosphine at 293 K were investigated in several non-viscous homogeneous solvents by means of a nanosecond laser photolysis technique under magnetic fields of 0-1.75 T. The generated neutral radical pair of the diphenylphosphinyl and phenyl radicals showed clear magnetic field effects. The yield of the escaped diphenylphosphinyl radical at 1.5 T reduced to 74% + 3% of that at 0 T in 2-propanol (r/= 2.379 at 293 K). Similar magnetic field effects were observed at 293 K even in more fluid solvents such as n-hexane (84% + 5% at 1.5 T), cyclohexane (65% + 2% at 1.5 T), and p-dioxane (64% 4-3% at 1.5 T).

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