349620 Photocatalytic Activity Enhancement of Titania By Addition of Plasmonic Ag Nanocubes

Monday, November 4, 2013
Grand Ballroom B (Hilton)
Jon Pickering1, Venkat R. Bhethanabotla2 and John N. Kuhn1, (1)Chemical & Biomedical Engineering, University of South Florida, Tampa, FL, (2)Chemical and Biomedical Engineering, University of South Florida, Tampa, FL

Optically active Ag nanocubes were combined with TiO2 to form a model composite material to study the conditions at which the photochemical activity of TiO2 is enhanced via plasmonics. Using varying compositions of the composite material, the photocatalytic degradation of methyl orange under ultraviolet and “day-light” spectrum irradiation was measured using UV-Vis spectroscopy. Interpretation of the results has aided in determining the conditions at which the plasmonic properties of the Ag nanocubes can enhance the system.

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