High-Performance Electrocatalysis for Hydrogen Evolution Reaction Using Se-Doped Pyrite-Phase Nickel Diphosphide Nanostructures
Abstract
The study of efficient, robust, and earth-abundant electrocatalysts for the hydrogen evolution reaction (HER) is essential for hydrogen-based energy technologies. Previous works have demonstrated that pyrite-structure materials (e.g., CoS 2, NiSe 2 ) are efficient HER catalysts. Here, we first systematically investigate the nanostructure synthesis of a series of pyrite-phase nickel phosphoselenide materials—NiP 2, Se-doped NiP 2 (NiP 1.93 Se 0.07 ), P-doped NiSe 2 (NiP 0.09 Se 1.91 ), and NiSe 2 —through a facile thermal conversion of Ni(OH) 2 nanoflakes. The similar nanostructures enable a systematic and fair comparison of their structural properties and catalytic activities for HER. We found that NiP 1.93 Se 0.07 shows the best HER performance, followed by NiP 2, NiP 0.09 Se 1.91, and NiSe 2 . Se-doped NiP 2 grown on carbon fiber paper can achieve an electrocatalytic current density of 10 mA cm –2 at an overpotential as low as 84 mV and a small Tafel slope of 41 mV decade –1 . This study not only estabilishes Se-doped NiP 2 as a competitive HER catalyst, but also demonstrates that doping or alloying of developed catalysts (especially doping with anions from another group; e.g., selenium to phosphorus) can improve the HER catalytic activity, which provides a general strategy to improve catalytic efficiencies of existing electrocatalysts for HER.
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Ni and Co based selenides have been demonstrated to be efficient HER catalysts.
“Meanwhile, Ni and Co based selenides have also been demonstrated to be efficient HER catalysts.11,15,34−37”
From Prussian Blue Analogues Derived Penroseite (Ni,Co)Se <sub>2</sub> Nanocages Anchored on 3D Graphene Aerogel for Efficient Water Splitting (2017) · cites this paper as [15]
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- Authors
- Zhuo, J., Cabán-Acevedo, M., Liang, H., Samad, L., Ding, Q., Fu, Y., Li, M., & Jin, S.
- Affiliations
- University of Wisconsin–Madison (US)
- Department of Chemistry, University of Wisconsin−Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
- Peking University (CN)
- Corresponding author
- Li, Meixian
- Jin, Song
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-09-29
- Volume
- 5
- Issue
- 11
- Pages
- 6355-6361
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2301205591
- Cited by
- 280
- References
- 10
- Citations by year
- 2026: 5 · 2025: 12 · 2024: 12 · 2023: 14 · 2022: 28 · 2021: 28 · 2020: 32 · 2019: 40 · 2018: 39 · 2017: 45 · 2016: 25
- FWCI
- 10.76
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- ACS Catalysis (publishedVersion)
- Funders
- China Scholarship Council
- Basic Energy Sciences (DE-FG02-09ER46664)
- University of Wisconsin-Madison
- National Natural Science Foundation of China (21275010)
- National Science Foundation
- 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 › Hydrogen Storage and Materials
- Keywords
- hydrogen evolution reaction, electrocatalysis, NiP2, selenium doping, NiSe2, thermal conversion, nanostructures, carbon paper, anion doping, alloying, earth-abundant catalysts
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