Abstract
It is of great significance to fabricate the Pt-based alloys with high catalytic activity, as well as the robust stability for methanol oxidation reaction (MOR) and formic acid oxidation reaction (FAOR). In this work, Pt-Fe alloy nanocrystals with concave nanocube and nanoflower structures are successfully synthesized by a simple one-pot method using polyvinylpyrrolidone and glycine as the dual reductants and dual protecting agents. Remarkably, the Pt-Fe nanoflower nanocrystals showed much higher electrocatalytic activity and stability toward MOR (FAOR), which was almost 9 (10) times greater than that of Pt black and 13 (15) times greater than that of commercial Pt/C catalyst. The excellent electrocatalytic performance is ascribed to the unique nanoflower morphology and bimetallic alloy composition.
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Data availability
No datasets were generated or analyzed during the current study.
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Funding
The authors acknowledge the financial supports from the National Natural Science Foundation of China (NSFC, 52372050), the Natural Science Foundation of Hebei Province (B2022408005), the central government for local science and technology development (236Z4303G), and the Funded by Science and Technology Project of Hebei Education Department (QN2022043).
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C.-L. Q.: writing—original draft, methodology, experiment, data analysis. F.-C. D.: literature collection, catalyst synthesis. G.-H. L.: software, partial data analysis. D. Z.: partial experiment, partial data analysis. H.-L. L.: structural analysis. A.-X. F. and Y.-H. L. (corresponding author): supervision, funding acquisition, supervision, writing—review and editing. A.-X. F. and Y.-H. L. wrote the main manuscript. All authors reviewed the manuscript.
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Qin, C., Fan, A., Dai, F. et al. Well-defined Pt-Fe alloy with enhanced catalytic performance for methanol oxidation and formic acid oxidation. Ionics (2024). https://doi.org/10.1007/s11581-024-05712-0
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DOI: https://doi.org/10.1007/s11581-024-05712-0