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Construction of MnO2/Monolayer g-C3N4 with Mn vacancies for Z-scheme overall water splitting
Abstract
Abstract Defect-Engineering is a promising way to introduce metal cation vacancies into target materials, thereby resulting in excellent performance for photocatalytic or electrocatalytic water splitting. Inspired by this, we propose an efficient Z-scheme system comprised of 2D MnO2/Monolayer g-C3N4 with defective Mn3+ active sites to realize overall water splitting. These defective Mn3+ active sites might boost H2O adsorption and optimize the interfacial charge separation/transfer in the photocatalytic process by introducing the Mn3+/Mn4+ redox couple. As a result, the composite displays an excellent and stable H2 and O2 evolution rates of 60.6 and 28.9 μmol g−1 h−1, respectively. Meanwhile, the H2 evolution rate is up to 28.0 mmol g−1 h−1 with apparent quantum efficiency of 23.33% at 420 nm in the H2 evolution half reaction. This study provides a new opportunity for constructing a Z-scheme overall water splitting system by exploiting the redox reactions of other metal cation vacancies.
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Cited by
Wu, Y., Li, Y., Gao, J., & Zhang, Q. (2021) · SusMat · doi:10.1002/sus2.3 · Cited by 319
Muzammil, A., Haider, R., Wei, W., Wan, Y., Ishaq, M., Zahid, M., Yaseen, W., & Yuan, X. (2023) · Materials Horizons · doi:10.1039/d3mh00335c · Cited by 73
Liu, J., Xu, H., Yan, J., Huang, J., Song, Y., Deng, J., Wu, J., Ding, C., Wu, X., Yuan, S., et al. (2019) · Journal of Materials Chemistry A · doi:10.1039/c9ta05399a · Cited by 50
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Metadata
- Authors
- Mo, Z., Xu, H., Chen, Z., She, X., Song, Y., Lian, J., Zhu, X., Yan, P., Lei, Y., Yuan, S., & Li, H.
- Venue
- Applied Catalysis B: Environmental
- Publisher
- Elsevier BV
- Published
- 2019-02
- Volume
- 241
- Pages
- 452-460
- ISSN
- 0926-3373 (ISSN-L)
- OpenAlex
- W2888780236
- Cited by
- 315
- References
- 0
- FWCI
- 9.56
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Construction of MnO2/Monolayer g-C3N4 with Mn vacancies for Z-scheme overall water splitting. https://app.cochat.ai/papers/10.1016/j.apcatb.2018.08.073
- The paper
- Mo, Z., Xu, H., Chen, Z., She, X., Song, Y., Lian, J., Zhu, X., Yan, P., Lei, Y., Yuan, S., & Li, H. (2019). Construction of MnO2/Monolayer g-C3N4 with Mn vacancies for Z-scheme overall water splitting. Applied Catalysis B: Environmental. https://doi.org/10.1016/j.apcatb.2018.08.073
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