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Updated: Jul 6, 2026
Time-resolved Photophysical Characterization of Triplet-harvesting Organic Compounds at an Oxygen-free Environment Using an iCCD Camera
Published on: December 27, 2018
Direct time-resolved detection of singlet oxygen in zeolite-based photocatalysts
Bogdan Cojocaru1, Marie Laferrière, Esther Carbonell
1Center for Catalysis Research and Innovation, Department of Chemistry, University of Ottawa, Ottawa K1N 6N5, Canada.
Abstract:
Singlet oxygen has been characterized spectroscopically as a product of the exposure of suspensions of zeolites containing oxidation catalysts. Spectroscopic and lifetime studies show that a part of the singlet oxygen formed reacts within the zeolite porous structure, while a significant fraction escapes and becomes available for reaction in the bulk media. The liquid phase plays a key role in determining intra- and extracavity dynamics.
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