Investigation of the Support Effect in Atomically Dispersed Pt on WO3−x for Utilization of Pt in the Hydrogen Evolution Reaction
Abstract
Single-atom catalysts (SACs) have attracted growing attention because they maximize the number of active sites, with unpredictable catalytic activity. Despite numerous studies on SACs, there is little research on the support, which is essential to understanding SAC. Herein, we systematically investigated the influence of the support on the performance of the SAC by comparing with single-atom Pt supported on carbon (Pt SA/C) and Pt nanoparticles supported on WO 3-x (Pt NP/WO 3-x ). The results revealed that the support effect was maximized for atomically dispersed Pt supported on WO 3-x (Pt SA/WO 3-x ). The Pt SA/WO 3-x exhibited a higher degree of hydrogen spillover from Pt atoms to WO 3-x at the interface, compared with Pt NP/WO 3-x , which drastically enhanced Pt mass activity for hydrogen evolution (up to 10 times). This strategy provides a new framework for enhancing catalytic activity for HER, by reducing noble metal usage in the field of SACs.
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The support modulates the electron distribution and transfer for the loaded catalysts and therefore the HER kinetics.
“In fact, the support modulates the electron distribution and transfer for the loaded catalysts18,19 and therefore the hydrogen evolution reaction (HER) kinetics.”
From An energy-saving support made of silver nanowire aerogel for hydrogen evolution reaction (2023) · cites this paper as [19]
The reduced peak displacement indicates faster hydrogen adsorption and desorption kinetics on the HEA|Pt heterostructure, consistent with accelerated interfacial charge transfer processes.
“This reduced peak displacement indicates faster hydrogen adsorption and desorption kinetics on the HEA|Pt heterostructure, consistent with accelerated interfacial charge transfer processes.53−55”
From High-Entropy Alloy Aerogels with High-Density Solid–Solid Heterointerfaces for Alkaline Hydrogen Evolution (2026) · cites this paper as [53]
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- Authors
- Park, J., Lee, S., Kim, H., Cho, A., Kim, S., Ye, Y., Han, J. W., Lee, H., Jang, J. H., & Lee, J.
- Affiliations
- Korea Advanced Institute of Science and Technology (KR)
- Pohang University of Science and Technology (KR)
- Korea Institute of Science and Technology (KR)
- Corresponding author
- Lee, Jinwoo
- ORCID
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2019-09-26
- Volume
- 58
- Issue
- 45
- Pages
- 16038-16042
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2969811995
- Cited by
- 480
- References
- 5
- Citations by year
- 2026: 53 · 2025: 82 · 2024: 95 · 2023: 74 · 2022: 72 · 2021: 58 · 2020: 46
- FWCI
- 9.36
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Angewandte Chemie International Edition (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Ministry of Science and ICT (NRF2017R1A2B3004648, 2018M1A2A2061987, NRF2019M3E6A1064706, 2019M3D1A1079306)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
- Physical Sciences › Chemistry › Organic Chemistry › Nanomaterials for catalytic reactions
- Keywords
- single-atom catalysts, atomically dispersed platinum, tungsten oxide support, catalyst support effects, hydrogen evolution reaction, hydrogen spillover, platinum nanoparticles, carbon support, noble metal reduction, mass activity
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