High-density small Pt 3 Fe@Pt nanoparticles in carbon materials becoming superior bi-functional catalysts through oxygen bridges with Fe single atoms
Abstract
High-density small Pt 3 Fe@Pt nanoparticles with atomic Pt shells O-bridged to Fe single atoms exhibit superior performance.
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The HDS Pt3Fe@Pt-O-Fe-SA NP/C catalyst exhibits excellent alkaline ORR performance due to its good removal ability for oxygen-containing intermediates.
“In our previous work, high-density small Pt3Fe@Pt nanoparticles with atomic Pt shells bonded with Fe SAs via O-bridges loaded onto carbon materials (HDS Pt3Fe@Pt–O–Fe-SA NP/C catalyst) exhibit excellent alkaline ORR performance due to their good removal ability for oxygen-containing intermediates.29”
From Tuning the local environment of atomic Pt shells of Pt <sub>3</sub> Fe@Pt nanoparticles enables energy-saving hydrogen production (2026) · cites this paper as [29]
The ratio of O-bridged Fe SAs to the Pt shell in the CS Pt3Fe@Pt NP-O-A-Fe SA/C catalyst is considerably higher than that in the HDS Pt3Fe@Pt-O-Fe-SA NP/C catalyst.
“The ratio of O-bridged Fe SAs to the Pt shell in CS Pt3Fe@Pt NPs is considerably higher than that in the Pt3Fe@Pt NPs O-bridged with Fe SAs (HDS Pt3Fe@Pt–O–Fe-SA NP/C catalyst) reported in our previous work.29”
From Tuning the local environment of atomic Pt shells of Pt <sub>3</sub> Fe@Pt nanoparticles enables energy-saving hydrogen production (2026) · cites this paper as [29]
N4-Fe-O-Pt species are easily formed under the synthetic conditions used for the CS and HDS catalysts.
“This is because both Pt and Fe metallic elements are present in these two catalysts, and N4–Fe–O–Pt species are easily formed under our synthetic conditions, as supported by the results reported in our previous work.29,30”
From Tuning the local environment of atomic Pt shells of Pt <sub>3</sub> Fe@Pt nanoparticles enables energy-saving hydrogen production (2026) · cites this paper as [29]
The presence of four characteristic diffraction peaks marked with purple diamonds indicates the formation of an ordered L12 structure.
“In addition, the presence of four characteristic diffraction peaks marked with purple diamonds indicates the formation of an ordered L12 structure (Fig. 2 and S11a).29,30,40–44”
From Tuning the local environment of atomic Pt shells of Pt <sub>3</sub> Fe@Pt nanoparticles enables energy-saving hydrogen production (2026) · cites this paper as [29]
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Li, S., Xu, Q., Sun, B., Liu, X., Tian, H., Wang, X., & Xia, H. (2026) · Journal of Materials Chemistry A · doi:10.1039/d6ta01696k
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- Authors
- Sun, B., Xu, Q., Lv, H., Lv, Z., Tian, H., & Xia, H.
- Affiliations
- Shandong University (CN)
- State Key Laboratory of Silicon Materials (CN)
- Chinese Academy of Sciences (CN)
- Corresponding author
- Lv, Zhengxing
- Tian, He
- Xia, Haibing
- Venue
- Journal of Materials Chemistry A
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2025
- Volume
- 13
- Issue
- 36
- Pages
- 30204-30213
- ISSN
- 2050-7488 (ISSN-L)
- 2050-7496
- OpenAlex
- W4412849620
- Cited by
- 1
- References
- 43
- Citations by year
- 2026: 1
- FWCI
- 0.14
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Materials Chemistry A (publishedVersion)
- Funders
- National Natural Science Foundation of China (22072076, 22472086)
- Fundamental Research Fund of Shandong University
- 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
- Pt single atoms, bimetallic nanoparticles, carbon-supported catalysts, oxygen reduction reaction, hydrogen evolution reaction, bifunctional electrocatalysts
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