INVESTIGATION OF PHOTOCHEMICAL BEHAVIOR OF PHENYL-(ESTRA-17 β-OL-3)- DIAZENE IN POLY-METHYL METHACRYLATE FILM

doi:10.7517/j.issn.1674-0475.1993.01.46

Imaging Science and Photochemistry ›› 1993, Vol. 11 ›› Issue (1): 46-54.DOI: 10.7517/j.issn.1674-0475.1993.01.46

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INVESTIGATION OF PHOTOCHEMICAL BEHAVIOR OF PHENYL-(ESTRA-17 β-OL-3)- DIAZENE IN POLY-METHYL METHACRYLATE FILM

Rudolf Frank¹, SHEN YU-QUAN², Hermann rau¹

1. Universitat Hohenhim, Instilut fur Chemie 130, Fackgebiet Physikalische Chemie, 7000 Stuttgart 70, Germany;
2. Institute of Photographic Chemistry. Acadtmia Sinica, Beijing 100101, P. R. China

Received:1992-03-24 Revised:1992-05-11 Online:1993-02-20 Published:1993-02-20

Abstract

Abstract: The cis-trans photoisomerization of phenyl-(estta-17 β-ol-3)-diazene (P E D) in polymethyl methacrylate film was investigated. Measurement and evaluation principle and methodology of quantum yield, composition of photostationary state, free volume distribution of the polymer bulk and so on were introduced in detail for cis-trans photoisomerizations in such solid matrix under π, π^* or n,π^* excitations. These analysis should also be applicable to other similar photochromic system.

Key words: photoisomerization, azobenzenes, guest-host system, free volume

Rudolf Frank, SHEN YU-QUAN, Hermann rau. INVESTIGATION OF PHOTOCHEMICAL BEHAVIOR OF PHENYL-(ESTRA-17 β-OL-3)- DIAZENE IN POLY-METHYL METHACRYLATE FILM[J]. Imaging Science and Photochemistry, 1993, 11(1): 46-54.

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INVESTIGATION OF PHOTOCHEMICAL BEHAVIOR OF PHENYL-(ESTRA-17 β-OL-3)- DIAZENE IN POLY-METHYL METHACRYLATE FILM

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