Journal
CATALYSIS COMMUNICATIONS
Volume 59, Issue -, Pages 30-34Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2014.09.041
Keywords
Surface plasmon resonance; Z-scheme; Visible-light-driven photocatalyst; Ag/AgCl; Bi2MoO6
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Funding
- National Natural Science Foundation of China [20977026]
- National 863 High Technology Research Foundation of China [2006AA06Z407]
- Hunan Provincial Natural Science Foundation of China [14JJ2045]
- Scientific Research Fund of Hunan Provincial Education Department [13k017]
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The novel ternary plasmonic Ag/AgCl/Bi2MoO6 composites were successfully synthesized by the hydrothermal and precipitation-photoreduction method. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), Fourier transform infrared (FT-IR) spectroscopy, and UV-vis diffuse reflectance spectroscopy (UV-vis DRS). The photocatalytic activities of the samples were measured through the decomposition of rhodamine-B (Rh-B) aqueous solution under visible-light irradiation (lambda >= 420 nm). The Ag/AgCl/Bi2MoO6 composites show superior photocatalytic activities compared with Bi2MoO6. On the basis of band structure analysis and active species trapping experimental results, a plasmonic Z-scheme photocatalytic mechanism is proposed. (C) 2014 Elsevier B.V. All rights reserved.
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