Biphcnylcnc in various solvents is investigated by picosecond time-resolved absorption spectroscopy. The time dependence of the spectral shape of the vibrationally hot S.-S, absorption was analyzed by using the Urbach relation. Vibrational energy flow to the solvent molecules in the surroundings fro
Laser photolysis studies of spiropyran-merocyanine aggregate formation in solution
β Scribed by Yehoshua Kalisky; David J. Williams
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 319 KB
- Volume
- 86
- Category
- Article
- ISSN
- 0009-2614
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The mechanisms of the photochemical reactions of triphenylgermane and I-naphthylphenylmethylgermane in solution were studied. by mzwxement of the trzxnsient absorption spectra of their triplet states and germyl radicals. The rate constant for the chlorine abstraction reaction by each radical with CC
Laser phorclysu studies of chloro(tetraphenylporphynato)carbonylrhoII) in benzene solutions revealed lhat the uiplet formatioq phokGnduc6d decarbonylation, and the isomer formationwithin 20 m after lhe laser pulre only lhc rriple1 yield was round to be dcpmdent on the laser acimtion wavelengths (532