Abstract

Ag nanoparticle (NP)-incorporated AgI has been formed in the pores of TiO2 nanocrystalline film (Ag@AgI/mp-TiO2) by a successive ionic layer adsorption and reaction-photoreduction method. Ag@AgI/mp-TiO2 stably shows visible-light activity for the degradation of 2-naphthol used as a model hydrosphere pollutant. Photoelectrochemical measurements indicated that the photocatalytic activity stems from the interband transition of AgI with it greatly enhanced by the localized surface plasmon resonance excitation of the Ag NPs.

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