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The Effect of Oxygen on the Three-Component Radical Photoinitiator System: Methylene Blue, N-Methyl-diethanolamine, and Diphenyliodonium Chloride - In this article, we extend our mechanistic study of the three-component radical photoinitiator system, consisting of methylene blue (MB), N-methyldiethanolamine, and diphenyliodonium chloride, by investigating the influence of oxygen on the rate of the consumption of MB dye. We used time-resolved steady-state fluorescence monitoring to observe the MB concentration in situ in both a constant oxygen environment and a sealed reactor as the dye is consumed via photoreaction. In the sealed reactor, we observed a retardation period (attributed to the presence of oxygen) followed by rapid exponential decay of the MB fluorescence after the oxygen was depleted. On the basis of the impact of the amine and iodonium concentrations on the fluorescence intensity and the duration of the retardation period, we propose the mechanism given in the figure to t
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| No. | 권호·제본정보 보기 | 소장처 | 소장사항 | 청구기호 | 구독 | 최근입수호 |
|---|---|---|---|---|---|---|
| 1 | 중앙도서관/3층 연속간행물(보존)/ | 547 J86A | 구독중 | Vol.45 No.16 | ||
| 2 | 중앙도서관/3층 연속간행물실/ | 547 J86A | 구독중 | Vol.45 No.24 |
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