Laser photolysis studies of the formation and decay processes of triplet polyphenyl compounds sensitized by triplet benzophenone
โ Scribed by Minoru Yamaji; Takuya Tanaka; Kunihiro Suto; Haruo Shizuka
- Book ID
- 107736677
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 381 KB
- Volume
- 261
- Category
- Article
- ISSN
- 0009-2614
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It is found by nanosecond laser flash photolysis at 355 nm that triplet energy transfer from triplet benzophenone ('BP\*) to N,Ndimethylaminonaphthalene (RNMe,) occurs to yield triplet RNMe, with an efftciency of 0.58 in acetonitrile ( ACN) whereas electron transfer from RNMea to 3BP\* takes place t
It is found that the triplet-triplet energy transfer (ET) reaction between triplet benzophenone ('BP\*) and l-naphthol (ROH) is competitive with the hydrogen atom abstraction (HA) reaction. The rate constant of ET is enhanced with an increase of solvent polarity while that of HA is reduced. A possib
The rate constants (kHA and klQ) for the hydrogen atom abstraction (HA) and induced-quenching (IQ) processes between triplet benzophenone (3Bp \*) and halogenated toluenes (XTL) were determined by means of nanosecond laser flash photolysis techniques. It was found that the klQ value increased propor