Journal
MOLECULES
Volume 27, Issue 18, Pages -Publisher
MDPI
DOI: 10.3390/molecules27186054
Keywords
porous materials; carbon nitride; photocatalyst; CO2 reduction
Funding
- National Natural Science Foundation of China [21207095]
- Basic Commonweal Project of Zhejiang province [LGG22E080012]
- Zhejiang Institute of Tianjin University [ZITJU2022-ZYHY017, ZITJU2022-ZYHY011]
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This study successfully synthesized a porous graphitic carbon nitride nanobelt catalyst with high visible light absorbability and excellent photocatalytic activity, making it a potential material for CO2 photocatalytic conversion.
Sustainable conversion of CO2 to fuels using solar energy is highly attractive for fuel production. This work focuses on the synthesis of porous graphitic carbon nitride nanobelt catalyst (PN-g-C3N4) and its capability of photocatalytic CO2 reduction. The surface area increased from 6.5 m(2).g(-1) (graphitic carbon nitride, g-C3N4) to 32.94 m(2).g(-1) (PN-g-C3N4). C N groups and vacant N2C were introduced on the surface. PN-g-C3N4 possessed higher absorbability of visible light and excellent photocatalytic activity, which was 5.7 and 6.3 times of g-C3N4 under visible light and simulated sunlight illumination, respectively. The enhanced photocatalytic activity may be owing to the porous nanobelt structure, enhanced absorbability of visible light, and surface vacant N-sites. It is expected that PN-g-C3N4 would be a promising candidate for CO2 photocatalytic conversion.
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