Facile construction of g-C3N4-W18O49 heterojunction with improved charge transfer for solar-driven CO2 photoreduction
2021
Abstract Photocatalytic reduction of CO2 into fuels is a promising approach to address the energy crisis and global warming issues. In this work, g-C3N4-W18O49 nanocomposite material was constructed by a simple solvothermal method. The W18O49 nanorods have a good dispersion by coupling with the g-C3N4 sheet. Under simulated sunlight irradiation, the g-C3N4-W18O49 nanocomposite exhibited superior photocatalytic CO2 reduction capability than that of g-C3N4 and W18O49. The photo/electrochemical measurements demonstrated that the g-C3N4-W18O49 heterojunction could accelerate the separation and migration of charge carries, thus improving the activity of photocatalytic reduction of CO2 into CH4 and CO.
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