Measurements of the efficiency of rubrene-sensitized photooxidation of 1,3-diphenylisobenzofuran imply that direct formation of singlet oxygen via oxygen quenching of excited rubrene singlets is inefficient. This contrasts with recent puhlications based upon studies of self-sensitized rubrene photoo
The effect of pressure on the dynamic quenching by oxygen of the excited singlet state of 9,10-dimethylanthracene in solution
โ Scribed by A.D. Scully; H. Yasuda; M. Okamoto; S. Hirayama
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 777 KB
- Volume
- 157
- Category
- Article
- ISSN
- 0301-0104
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๐ SIMILAR VOLUMES
The dynamic behavior of the second excited singlet state of QCS has been investigated for the first time in liquid solutions. In perfluoroalkane solvents strong B-ji. fluorescence (@f up to 0.077) 1s observed when the molecule is excited to bound vibrational states. s lifetimes of up 10 2.8 ns are o
An upper limit to the relavation time of the first c.rcltcd electronic \mgIut st,ite (St) of a?ulcnc m cyclohcxanc ha\ been dctcrmincd for two cxcltatlon frequcncics. The lifctlmes of St cxcitcd by tingle picosecond duration optlcal pulses OI irequency 18910 crri' and 16OOC cm"' arc 5 1 ps and 5 2 p