Facile Photochemical Synthesis of Au/Pt/g-C 3 N 4 with Plasmon-Enhanced Photocatalytic Activity for Antibiotic Degradation
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Abstract
A novel plasmonic photocatalyst, Au/Pt/g-C3N4, was prepared by a facile calcination-photodeposition technique. The samples were characterized by X-ray diffraction, energy-dispersive spectroscopy, transmission electron microscopy, and UV-vis diffuse reflectance spectroscopy, and the results demonstrated that the Au and Pt nanoparticles (7-15 nm) were well-dispersed on the surfaces of g-C3N4. The Au/Pt codecorated g-C3N4 heterostructure displayed enhanced photocatalytic activity for antibiotic tetracycline hydrochloride (TC-HCl) degradation, and the degradation rate was 3.4 times higher than that of pure g-C3N4 under visible light irradiation. The enhancement of photocatalytic activity could be attributed to the…
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5Topics & keywords
Topics
Keywords
- Photocatalysis
- Materials science
- Diffuse reflectance infrared fourier transform
- Visible spectrum
- Surface plasmon resonance
- Photochemistry
- Heterojunction
- Spectroscopy
UN Sustainable Development Goals
- Affordable and clean energy
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