✦ LIBER ✦
Photoisomerization of 9-tert-butylanthracene in polystyrene films under photoselection conditions. Consideration of molecular thermal rotation
✍ Scribed by V.V. Minaylov; V.S. Gurman; A.Kh. Vorobiev
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 612 KB
- Volume
- 87
- Category
- Article
- ISSN
- 1010-6030
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✦ Synopsis
Photoselection in thermoreversible photochemical reactions was theoretically and experimentally considered using the photoisomerization of 9-tert-butylanthracene in polystyrene as a model system. The influence of the thermal rotational mobility of the reactive molecules on the photoselection is discussed. A satisfactory agreement between the theoretically calculated kinetics of photoisomerization and the accumulation of dichroism and the experimental results is obtained. It is demonstrated that photo-oxidation in a polymer matrix corrupts the photoselection process.