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Triplet quantum yield determination by photosensitized oxygenation in the presence of heavy atom additives: Rhodamine B in methanol

✍ Scribed by Klaus Gollnick; Theodor Franken; Mohamed F.R. Fouda

Book ID: 104234394
Publisher: Elsevier Science
Year: 1981
Tongue: French
Weight: 232 KB
Volume: 22
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)82062-1

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✦ Synopsis

Relative rates of heavy-atom-enhanced photosensitized 102-reactions may be used to determine @" of sensitizers in heavy-atom-free solutions. @i = 0.12 2 0.02 is obtained for T 5.10 -5 M methanolic solution of Rhodamine B .

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Triplet quantum yield determination by photosensitized oxygenation in the presence of heavy atom additives: Eosin in methanol

✍ Klaus Gollnick; Mohamed F.R. Fouda 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 256 KB

Relative rates of heavy-atom-enhanced photosensitized '02-reactions and relative quantum efficiencies of heavy-atom-quenched fluorescence yield $9 = 0.66 f 0.03 for a 5 -10 -5 M methanolic solution of Eosin . In the preceding paper 1 we have described a rather simple procedure to obtain triplet qua