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Reference type: Journal
Authors: Johnson-White B, Zeinali M, Malanoski AP, Dinderman MA
Article Title: Sunlight-catalyzed conversion of cyclic organics with novel mesoporous organosilicas.
Publication date: 2007
Journal: Catalysis Communications
Volume: 8
Issue: (7)
Page numbers: 1052-1056.
DOI: 10.1016/j.catcom.2006.10.002
Alternative URL: http://www.sciencedirect.com/science/article/B6W7K-4M4KDM3-1/2/c28d987a5844cd3b66f0989a5639379f

Abstract: Porphyrin-embedded periodic mesoporous organosilica (PMO) materials were developed for sunlight-stimulated degradation of cyclic organics. The binding affinity and selectivity of the PMOs act to bring porphyrin and target into close proximity, provide extensive surface area, and a stable substrate for porphyrin immobilization. Aqueous samples incubated with these PMO materials showed a decrease in analyte concentration greater than that expected based on adsorption and uncatalyzed photoconversion during 5 h of sunlight illumination. Both materials show selective binding of TNT over structurally similar compounds such as p-nitrophenol. Template directed molecular imprinting was used in an attempt to increase the selectivity of the catalyst
Template and target information: TNT, 2,4,6-trinitrotoluene
Author keywords: Photocatalysis, porphyrin, molecular imprint, Mesoporous organosilica


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