Photodegradation of Dichloromethane Catalyzed by Iron(III) Chloride on Silica Gel
Laura A. Pena, Rosa E. Segura, Alissa M. Chan and Patrick E. HoggardAffiliation:
Department of Chemistry, Santa Clara University, Santa Clara, California, USA 95053.
AbstractIron(III) chloride adsorbed on silica gel catalyzes the photodecomposition of dichloromethane under near-UV irradiation, functioning through photodissociation to produce chlorine atoms that initiate a radical chain. While the photocatalytic activity under these conditions is similar to that of FeCl4¯ heterogenized on an ion exchange resin, under solar irradiation the FeCl3/silica system is considerably more effective.
Dichloromethane, Iron(III) chloride, Photodegradation, Photocatalysis, Silica.
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