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Synthesis of Potassium‐Modified Graphitic Carbon Nitride with High Photocatalytic Activity for Hydrogen Evolution
Abstract
Potassium‐modified graphitic carbon nitride (K‐g‐C 3 N 4) nanosheets are synthesized by a facile KCl‐template method that holds the advantage of easy removal of residual template. A combination of XRD, X‐ray photoelectron spectroscopy, and inductively coupled plasma analyses are utilized to characterize the obtained resultant K‐g‐C 3 N 4 architectures, which are composed of nanosheets of variable thickness (<10 nm). Photocatalytic hydrogen evolution experiments under visible light irradiation showed that K‐g‐C 3 N 4 nanosheets have high photocatalytic activities (up to about thirteen times higher than that of pure g‐C 3 N 4) as well as good stability (no reduction in activity within 16 h); both features emanate from their unique structural characteristics. These results illustrate the viability of this methodology for the facile synthesis of efficient heterogeneous photocatalysts for potential commercial applications.
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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
Noble metal-free hydrogen evolution catalysts for water splitting
Zou, X., & Zhang, Y. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00448e · Cited by 5,955
Bridging the g-C3N4 Interlayers for Enhanced Photocatalysis
Xiong, T., Cen, W., Zhang, Y., & Dong, F. (2016) · ACS Catalysis · doi:10.1021/acscatal.5b02922 · Cited by 1,153
Liao, G., Gong, Y., Zhang, L., Gao, H., Yang, G.-J., & Fang, B. (2019) · Energy & Environmental Science · doi:10.1039/c9ee00717b · Cited by 1,075
Two-dimensional covalent carbon nitride nanosheets: synthesis, functionalization, and applications
Zhang, J., Chen, Y., & Wang, X. (2015) · Energy & Environmental Science · doi:10.1039/c5ee01895a · Cited by 1,011
Metadata
- Authors
- Wu, M., Yan, J., Tang, X., Zhao, M., & Jiang, Q.
- Venue
- ChemSusChem
- Publisher
- Wiley
- Published
- 2014-07-14
- Volume
- 7
- Issue
- 9
- Pages
- 2654-2658
- ISSN
- 1864-5631 (ISSN-L)
- 1864-564X
- OpenAlex
- W2088564903
- Cited by
- 189
- References
- 0
- FWCI
- 4.04
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wu, M., Yan, J., Tang, X., Zhao, M., & Jiang, Q. (2014). Synthesis of Potassium‐Modified Graphitic Carbon Nitride with High Photocatalytic Activity for Hydrogen Evolution. ChemSusChem. https://doi.org/10.1002/cssc.201402180
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