Spectrophotometric study of the photoinduced transformation of 4a,4c-dihydrodibenzophenanthrene to trans-1,2-di-(2-naphthyl)ethylene:: The proof of the one-photon mechanism by the method of singular decomposition

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作者
Razumov, VF [1 ]
Kazakov, SP [1 ]
Ryabenko, AA [1 ]
机构
[1] Russian Acad Sci, Semenov Inst Chem Phys, Chernogolovka 142432, Moskovskaya Obl, Russia
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O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
It is proved by the mathematical method of singular decomposition of absorption spectra of a solution containing a photostationary mixture of isomers of 1,2-di-(2-naphthyl)ethylene that upon irradiation of 4a,4b-dihydrodibenzophenanthrene into its long-wavelength absorption band, along with cis-isomer of 1,2-di(2-naphthyl)ethylene, trans-isomer is produced in the one-photon process. Quantum yields of the photoinduced opening of the cycle are measured for both channels of the reaction.
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页码:537 / 543
页数:7
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