Synthesis of C3N4/rGO Composites by Low Temperature and Low Pressure Heat Treatment and Their Photocatalytic Properties
Journal of Inorganic and Organometallic Polymers and Materials（2024）
ChangChun normal university
Abstract
Reduced graphene oxide/carbon nitride (rGO/C 3 N 4 ) nanocomposites were prepared through a low-temperature and low-pressure sintering method using a mixture of GO and C 3 N 4 powders. The degradation performance of methylene blue (MB) of composites with different raw material ratios was studied under simulated solar irradiation conditions. Results indicated that GO was rapidly reduced during heat treatment and bonded well with C 3 N 4 . The C 3 N 4 grains were also significantly refined. Compared with single-phase C 3 N 4 , the addition of GO greatly improved its photocatalytic efficiency and effectively suppressed the recombination of electron hole pairs. The samples exhibited good photocatalytic performance under simulated sunlight irradiation. Within 15 min, MB could be rapidly degraded by the C 3 N 4 /20% rGO composite .
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Key words
C3N4,Graphene,Photocatalytic,Degradation
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