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Silver Phosphate/Graphitic Carbon Nitride as an Efficient Photocatalytic Tandem System for Oxygen Evolution
Abstract
Herein, we show the facile synthesis of an efficient silver phosphate/graphitic carbon nitride (Ag 3 PO 4/g‐C 3 N 4) photocatalyst for oxygen production and pollutant degradation by using electrostatically driven assembly and ion‐exchange processes. The composite materials demonstrate a sheet‐like C 3 N 4 structure, decorated with different Ag 3 PO 4 particles sizes. Detailed analysis of the reactions mechanism by electron‐spin resonance and radical‐capture agents strongly imply the formation of an in situ Z‐scheme by the evolution of small silver nanoparticles in the interface of the materials under illumination. The Ag nanoparticles improve charge separation within the composite material by acting as a storage and recombination center for electrons and holes from Ag 3 PO 4 and C 3 N 4, respectively. In addition, the photostability of Ag 3 PO 4 is enhanced relative to that of the bulk materials, which results in a stabilized heterojunction. We believe that this work provides new insight into the operation mechanism of composite photocatalysts for water splitting and opens the possibility for advanced photocatalysis based on the higher oxidation power of Ag 3 PO 4.
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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
Direct Z-scheme photocatalysts: Principles, synthesis, and applications
Xu, Q., Zhang, L., Yu, J., Wageh, S., Al-Ghamdi, A. A., & Jaroniec, M. (2018) · Materials Today · doi:10.1016/j.mattod.2018.04.008 · Cited by 1,635
Functional carbon nitride materials — design strategies for electrochemical devices
Kessler, F. K., Zheng, Y., Schwarz, D., Merschjann, C., Schnick, W., Wang, X., & Bojdys, M. J. (2017) · Nature Reviews Materials · doi:10.1038/natrevmats.2017.30 · Cited by 1,075
Yang, X., Tian, L., Zhao, X., Tang, H., Liu, Q., & Li, G. (2019) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2018.11.056 · Cited by 348
Self-citationTeixeira, I. F., Barbosa, E. C. M., Tsang, S. C. E., & Camargo, P. H. C. (2018) · Chemical Society Reviews · doi:10.1039/c8cs00479j · Cited by 316
Functional Carbon Nitride Materials in Photo‐Fenton‐Like Catalysis for Environmental Remediation
Lin, J., Tian, W., Guan, Z., Zhang, H., Duan, X., Wang, H., Sun, H., Fang, Y., Huang, Y., & Wang, S. (2022) · Advanced Functional Materials · doi:10.1002/adfm.202201743 · Cited by 303
Tuning the Morphology of g-C3N4 for Improvement of Z-Scheme Photocatalytic Water Oxidation
Yang, X., Chen, Z., Xu, J., Tang, H., Chen, K., & Jiang, Y. (2015) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.5b02649 · Cited by 283
Self-citationChen, Z., Pronkin, S., Fellinger, T.-P., Kailasam, K., Vilé, G., Albani, D., Krumeich, F., Leary, R., Barnard, J., Thomas, J. M., et al. (2016) · ACS Nano · doi:10.1021/acsnano.5b04210 · Cited by 257
Self-citationBhowmik, T., Kundu, M. K., & Barman, S. (2015) · RSC Advances · doi:10.1039/c5ra04913j · Cited by 132
Metadata
- Authors
- Yang, X., Tang, H., Xu, J., Antonietti, M., & Shalom, M.
- Venue
- ChemSusChem
- Publisher
- Wiley
- Published
- 2015-02-18
- Volume
- 8
- Issue
- 8
- Pages
- 1350-1358
- ISSN
- 1864-5631 (ISSN-L)
- 1864-564X
- OpenAlex
- W2111572960
- Cited by
- 204
- References
- 0
- FWCI
- 10.46
- Type
- journal article
- Language
- en
- Open access
- closed
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