The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Electronic Structure Reconfiguration toward Pyrite NiS2 via Engineered Heteroatom Defect Boosting Overall Water Splitting
Abstract
Developing highly active and low-cost heterogeneous catalysts toward overall electrochemical water splitting is extremely desirable but still a challenge. Herein, we report pyrite NiS 2 nanosheets doped with vanadium heteroatoms as bifunctional electrode materials for both hydrogen- and oxygen-evolution reaction (HER and OER). Notably, the electronic structure reconfiguration of pyrite NiS 2 is observed from typical semiconductive characteristics to metallic characteristics by engineering vanadium (V) displacement defect, which is confirmed by both experimental temperature-dependent resistivity and theoretical density functional theory calculations. Furthermore, elaborate X-ray absorption spectroscopy measurements reveal that electronic structure reconfiguration of NiS 2 is rooted in electron transfer from doped V to Ni sites, consequently enabling Ni sites to gain more electrons. The metallic V-doped NiS 2 nanosheets exhibit extraordinary electrocatalytic performance with overpotentials of about 290 mV for OER and about 110 mV for HER at 10 mA cm –2 with long-term stability in 1 M KOH solutions, representing one of the best non-noble-metal bifunctional electrocatalysts to date. This work provides insights into electronic structure engineering from well-designed atomic defect metal sulfide.
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Cites
Noble metal-free hydrogen evolution catalysts for water splitting
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Cited by
Nanoarchitectonics for Transition‐Metal‐Sulfide‐Based Electrocatalysts for Water Splitting
Guo, Y., Park, T., Yi, J. W., Henzie, J., Kim, J., Wang, Z., Jiang, B., Bando, Y., Sugahara, Y., Tang, J., et al. (2019) · Advanced Materials · doi:10.1002/adma.201807134 · Cited by 1,402
An overview on Pd-based electrocatalysts for the hydrogen evolution reaction
Sarkar, S., & Peter, S. C. (2018) · Inorganic Chemistry Frontiers · doi:10.1039/c8qi00042e · Cited by 360
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Progress and Perspectives for Solar‐Driven Water Electrolysis to Produce Green Hydrogen
Zhao, H., & Yuan, Z. (2023) · Advanced Energy Materials · doi:10.1002/aenm.202300254 · Cited by 240
Bifunctional Electrocatalysts Based on Mo-Doped NiCoP Nanosheet Arrays for Overall Water Splitting
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Self-citationYu, J., Guo, Y., Miao, S., Ni, M., Zhou, W., & Shao, Z. (2018) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.8b08239 · Cited by 104
Huang, J., Wang, S., Nie, J., Huang, C., Zhang, X., Wang, B., Tang, J., Du, C., Liu, Z., & Chen, J. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2020.128055 · Cited by 96
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Metadata
- Authors
- Liu, H., He, Q., Jiang, H., Lin, Y., Zhang, Y., Habib, M., Chen, S., & Song, L.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-11-15
- Volume
- 11
- Issue
- 11
- Pages
- 11574-11583
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2770694413
- Cited by
- 385
- References
- 4
- FWCI
- 10.03
- Type
- journal article
- Language
- en
- Open access
- closed
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