An apparatus is described which can detect transient absorptions in the nanosecond-microsecond time domain in opaque scattering materials by analysing diffusely reflected monitoring light following nanosecond laser excitation. For microcrystalline benzophenone excited by a 20 ns pulse at 354 nm, a t
Triplet-Triplet Absorption in Microcrystalline Benzil Detected by Diffuse Reflectance Laser Flash Photolysis
β Scribed by Wilkinson, F.; Willsher, C. J.
- Book ID
- 115359874
- Publisher
- Society for Applied Spectroscopy
- Year
- 1984
- Tongue
- English
- Weight
- 332 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0003-7028
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Geminate recombination kinetics has been studied using the diffuse reflectance laser flash technique of radical ion pairs (RIP) formed by electron transfer from triphenylamine to triplet benzophenone, 9,1 O-anthraquinone, duroquinone or 2,6diphenyl-1,4benzoquinone both adsorbed onto porous silica. T
The geminate recombination kinetics of radical pairs formed by hydrogen-atom transfer from 2,4,6-trimethylphenol to the triplet state of benzophenone coadsorbed on microcrystalline cellulose has been studied, using the diffuse-reflectance laser-flash technique. The kinetics is described by the sum o