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Incidence Dependency of Photonic Crystal Substrate and Its Application on Solar Energy Conversion: Ag2S Sensitized WO3 in FTO Photonic Crystal Film

Institute of Semiconductors, South China Normal University, Guangzhou 510631, China
School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
Authors to whom correspondence should be addressed.
Materials 2019, 12(16), 2558;
Received: 7 July 2019 / Revised: 5 August 2019 / Accepted: 8 August 2019 / Published: 11 August 2019
(This article belongs to the Special Issue Advanced Photocatalytic Materials)
PDF [5091 KB, uploaded 11 August 2019]


In addition to the most common applications of macroporous film: Supplying a large surface area, PC-FTO (macroporous fluorine-doped tin oxide with photonic crystal structure) can be employed as a template to control the morphologies of WO3 for exposing a more active facet, and enhance the overall photo-electron conversion efficiency for the embedded photoactive materials under changing illumination incidence through refracting and scattering. The optical features of PC-FTO film was demonstrated by DRUVS (diffuse reflectance UV-vis spectra). Plate-like WO3 were directly synthesized inside the PC-FTO film as a control group photoanode, Ag2S quantum dots were subsequently decorated on WO3 to tune the light absorption range. The impact of photonic crystal film on the photoactivity of Ag2S/WO3 was demonstrated by using the photoelectrochemical current density as a function of the incidence of the simulated light source. View Full-Text
Keywords: photocatalytic materials; photonic crystals; nanocomposites photocatalytic materials; photonic crystals; nanocomposites

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Ke, X.; Yang, M.; Wang, W.; Luo, D.; Zhang, M. Incidence Dependency of Photonic Crystal Substrate and Its Application on Solar Energy Conversion: Ag2S Sensitized WO3 in FTO Photonic Crystal Film. Materials 2019, 12, 2558.

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