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Effect of graphitic carbon nitride microstructures on the activity and selectivity of photocatalytic CO2 reduction under visible light
Abstract
Two kinds of graphitic carbon nitride (g-C3N4) were synthesized through a pyrolysis process of urea or melamine. It is found that the obtained g-C3N4, as photocatalysts, can reduce CO2 to organic fuels under visible light, and exhibit different photoactivity and selectivity on the formation of CH3OH and C2H5OH. The product derived from the urea (denoted as u-g-C3N4) shows a mesoporous flake-like structure with a larger surface area and higher photoactivity for the CO2 reduction than the non-porous flaky product obtained from melamine (denoted as m-g-C3N4). Moreover, using u-g-C3N4 as a photocatalyst can result in the formation of a mixture containing CH3OH and C2H5OH, while m-g-C3N4 only leads to the selective formation of C2H5OH. The present interesting findings could shed light on the design of efficient, eco-friendly and convenient photocatalysts and the tuning of their photoreactivity in the field of sustainable light-to-energy conversion.
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Cited by
Ong, W.-J., Tan, L.-L., Ng, Y. H., Yong, S.-T., & Chai, S.-P. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00075 · Cited by 7,147
Tu, W., Zhou, Y., & Zou, Z. (2014) · Advanced Materials · doi:10.1002/adma.201400087 · Cited by 1,635
Recent Advances in Heterogeneous Photocatalytic CO 2 Conversion to Solar Fuels
Li, K., Peng, B., & Peng, T. (2016) · ACS Catalysis · doi:10.1021/acscatal.6b02089 · Cited by 1,355
Self-citationYu, W., Xu, D., & Peng, T. (2015) · Journal of Materials Chemistry A · doi:10.1039/c5ta05503b · Cited by 937
Self-citationCO2 Reduction: From the Electrochemical to Photochemical Approach
Wu, J., Huang, Y., Ye, W., & Li, Y. (2017) · Advanced Science · doi:10.1002/advs.201700194 · Cited by 937
Metadata
- Authors
- Mao, J., Peng, T., Zhang, X., Li, K., Ye, L., & Zan, L.
- Venue
- Catalysis Science & Technology
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2013
- Volume
- 3
- Issue
- 5
- Pages
- 1253
- ISSN
- 2044-4753 (ISSN-L)
- 2044-4761
- OpenAlex
- W2070374953
- Cited by
- 505
- References
- 0
- FWCI
- 14.67
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mao, J., Peng, T., Zhang, X., Li, K., Ye, L., & Zan, L. (2013). Effect of graphitic carbon nitride microstructures on the activity and selectivity of photocatalytic CO2 reduction under visible light. Catalysis Science & Technology. https://doi.org/10.1039/c3cy20822b
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