Abstract
We put forward a new approach for the synthesis of Ag@AgCl plasmonic photocatalyst via a hydrothermal-deposition-photoreduction method. The cetylmethylammonium chloride (CTAC) was used alone as both a source of reactants and surfactant. The structure of the prepared photocatalyst was determined by XRD, SEM, EDX and UV-Vis spectroscoscopy. The photocatalytic properties were investigated by degradation of an organic pollutant, Rhodamine B, under visible light irradiation. The results reveal that the experimental conditions have a great effect on the morphology of Ag@AgCl crystals. Ag@AgCl crystal is cubic and the Ag@AgCl sample which is photoreduced for 40 min exhibits the highest photoactivity, and 80.6 % RhB is degraded after irradiation for 2 hours using this catalyst. The high photocatalytic activity observed is attributed to the surface plasmon resonance effect of Ag nanoparticles.
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Funded partly by the National Natural Science Foundation of China (Nos. 51172063, 51202056, 51372068), Hebei Natural Science Funds for Distinguished Young Scholar (No. B2014209304), Hebei Natural Science Funds for the Joint Research of Iron and Steel (No. B2014209314), and Hebei Provincial Foundation for Returned Scholars
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Liang, Y., Lin, S., Liu, L. et al. Facile hydrothermal synthesis of plasmonic photocatalyst Ag@AgCl and degradative photocatalysis under visible light irradiation. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 30, 84–91 (2015). https://doi.org/10.1007/s11595-015-1105-x
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DOI: https://doi.org/10.1007/s11595-015-1105-x