Time-resolved emission spectroscopy of 0s ( 'Z: ) and 0s ( 'As) in CCL was used to determine the rate constants kl, , b, and k+ of the triplet state (T,) sensitized formation of the 'Z:, 'As and 'Z; states of 0s. 13 sensitizers of triplet energies 140 GE,< 309 kJ mol-' were investigated. The data ar
✦ LIBER ✦
Mechanism of Photosensitized Generation of Singlet Oxygen during Oxygen Quenching of Triplet States and the General Dependence of the Rate Constants and Efficiencies of O 2 ( 1 Σ g+ ), O 2 ( 1 Δ g ), and O 2 ( 3 Σ g- ) Formation on Sensitizer Triplet State Energy and Oxidation Potential
✍ Scribed by Schweitzer, Claude; Mehrdad, Zahra; Noll, Astrid; Grabner, Erich-Walter; Schmidt, Reinhard
- Book ID
- 127322441
- Publisher
- American Chemical Society
- Year
- 2003
- Tongue
- English
- Weight
- 274 KB
- Volume
- 107
- Category
- Article
- ISSN
- 1089-5639
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The primary steps of triplet state (Tt) sensitization of singlet oxygen O,('Z;) and Oa('4) by phenalenone (PH) and benzophettone (BP) have been investigated in carbon tetrachloride by time-resolved measurements of the phosphorescence of T1, O,( 'X: ) and O,( 'As). Besides lifetimes, the detailed ana