The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.
Ir–O–V Catalytic Group in Ir-Doped NiV(OH)2 for Overall Water Splitting
Abstract
Bifunctional electrocatalysts for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are very crucial for converting water into clean fuel through overall water splitting. Here, we report on a bifunctional catalyst based on Ir-doped NiV layered double hydroxide with Ir–O–V catalytic groups on which water dissociation, HER, and OER occur on Ir, bridge O, and V atoms, respectively. Interestingly, the dopant Ir ions were found to play a triple role: (i) serve as catalytic sites for water dissociation, (ii) reduce charge density on adjacent bridge oxygen, thus facilitating HER there, and (iii) increase charge density on V ions, which in turn boosts OER. As a result, the catalyst achieves an ultralow applied voltage for overall water splitting (1.49 V @ 10 mA cm –2 ) and beats the noble metallic couple Pt/C and Ir/C with its value of 1.60 V @ 10 mA cm –2 .
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“The high-resolution XPS spectrum of Ni 2p of the S,P-(Ni,Mo,Fe)OOH in Fig. 4d shows two spin-orbit peaks at 856.1 and 873.8 eV, which were attributed to the Ni 2p3/2 and Ni 2p1/2 of the oxidized Ni, respectively [38].”
From Wood aerogel-derived sandwich-like layered nanoelectrodes for alkaline overall seawater electrosplitting (2021) · cites this paper as [38]
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Raveendran, A., Chandran, M., & Dhanusuraman, R. (2023) · RSC Advances · doi:10.1039/d2ra07642j · Cited by 892
Yu, L., Wu, L., McElhenny, B., Song, S., Luo, D., Zhang, F., Yu, Y., Chen, S., & Ren, Z. (2020) · Energy & Environmental Science · doi:10.1039/d0ee00921k · Cited by 877
Phase segregation reversibility in mixed-metal hydroxide water oxidation catalysts
Kuai, C., Xu, Z., Xi, C., Hu, A., Yang, Z., Zhang, Y., Sun, C., Li, L., Sokaras, D., Dong, C., et al. (2020) · Nature Catalysis · doi:10.1038/s41929-020-0496-z · Cited by 429
Self-citationJiao, S., Fu, X., Wang, S., & Zhao, Y. (2021) · Energy & Environmental Science · doi:10.1039/d0ee03635h · Cited by 405
Iridium-based nanomaterials for electrochemical water splitting
Chen, Z., Duan, X., Wei, W., Wang, S., & Ni, B. (2020) · Nano Energy · doi:10.1016/j.nanoen.2020.105270 · Cited by 373
Metadata
- Authors
- Li, S., Xi, C., Jin, Y.-Z., Wu, D., Wang, J.-Q., Liu, T., Wang, H.-B., Dong, C.-K., Liu, H., Kulinich, S. A., & Du, X.-W.
- Affiliations
- Tianjin University (CN)
- Institute of New Energy Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
- Tokai University (JP)
- Corresponding author
- Liu, Hui
- Kulinich, Sergei A.
- Du, Xi-Wen
- Venue
- ACS Energy Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-07-03
- Volume
- 4
- Issue
- 8
- Pages
- 1823-1829
- ISSN
- 2380-8195 (ISSN-L)
- OpenAlex
- W2955277063
- Cited by
- 182
- References
- 40
- Citations by year
- 2026: 5 · 2025: 17 · 2024: 24 · 2023: 35 · 2022: 36 · 2021: 38 · 2020: 24 · 2019: 3
- FWCI
- 5.37
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- ACS Energy Letters (publishedVersion)
- Funders
- National Natural Science Foundation of China (51671141, 51471115, 51871160)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Physical Sciences › Materials Science › Materials Chemistry › Layered Double Hydroxides Synthesis and Applications
- Keywords
- overall water splitting, bifunctional electrocatalysts, hydrogen evolution reaction, oxygen evolution reaction, iridium doping, water dissociation, charge density, bridging oxygen, low overpotential
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