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Composite material g-C3N4/WO3•H2O (CNW-1) was synthesized by hydrothermal reaction from graphite phase carbon nitride (g-C3N4) and sodium tungstate dihydrate. The composite material obtained was then characterized by XRD, XPS, SEM and TEM, and its visible light catalytic CO2 reduction performance at 298 K and 0.1 MPa was evaluated, the possible reaction mechanism was proposed. It was found that the yield of CO and CH4 could be regulated by adjusting the crystal water content in tungsten trioxide. CNW-1 had the highest yield of CH4 (0.33 μmol/g), while g-C3N4/WO3 (CNW) had the highest CO yield (0.67 μmol/g) after 10 h of reaction. This study provides an effective strategy for the selective reduction of CO2 to C1 compounds, and highlights the potential application of Z-scheme photocatalytic systems constructed from g-C3N4 semiconductor in the field of catalysis. © 2024 Fine Chemicals. All rights reserved.
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Fine Chemicals
ISSN: 1003-5214
CN: 21-1203/TQ
Year: 2024
Issue: 4
Volume: 41
Page: 858-864 and 871
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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Chinese Cited Count:
30 Days PV: 6
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