Bismuth-induced synthesis of Au–X (X = Pt, Pd) nanoalloys for electrocatalytic reactions

Wang, Nan; Zhao, Wei; Zhang, Miaolei; Cao, Pengfei; Sun, Shengjun; Ma, Hongfang; Lin, Meng

doi:10.1039/d0cc06745h

Cited by 11 publications

(7 citation statements)

References 39 publications

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“…88 The synergistic interaction between the bismuthinduced AuX(X = Pt, Pd) nanoalloys significantly enhanced the HER. 89 5.2. Composition Regulation.…”

Section: Application Of Amorphous Alloys Inmentioning

confidence: 99%

“…Unique CoNi nanostructures have been successfully constructed by annealing the precursors of CoNi, which are comparable to or even superior to current commercial catalysts in terms of HER activity and stability . The synergistic interaction between the bismuth-induced AuX(X = Pt, Pd) nanoalloys significantly enhanced the HER …”

Section: Challenges Gaps and Perspectivesmentioning

confidence: 99%

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Recent Advances and Perspectives of Nanostructured Amorphous Alloys in Electrochemical Water Electrolysis

et al. 2021

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The energy crisis put forward higher requirements for the development of sustainable energy systems, and the production of green hydrogen by electrochemical water electrolysis is one of the important ways to achieve this goal. Transition metal amorphous alloys have been widely investigated as efficient electrocatalysts for water electrolysis. However, the low catalytic activity, high cost, lack of multifunction, poor stability, and unclear catalytic mechanism on amorphous alloy electrocatalysts have severely limited their efficiency. In this review, we summarize the recent progress on amorphous alloys. Specifically, the characteristics, structure, and preparation methods of amorphous alloys and their application, especially in water electrolysis, are discussed in detail. On the basis of the function-oriented design and the solution of key problems, the electrocatalytic performance has been effectively improved in quantity and quality. In the future, studies should focus on the aspects of controlling material morphology, element doping, composite structure, and interface characteristics, as well as the structure–activity relationship and synergetic effect. This review is of great significance to promote the study of structural design, structure–activity relationship, efficiency improvement, and catalytic mechanisms in electrocatalysis.

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“…88 The synergistic interaction between the bismuthinduced AuX(X = Pt, Pd) nanoalloys significantly enhanced the HER. 89 5.2. Composition Regulation.…”

Section: Application Of Amorphous Alloys Inmentioning

confidence: 99%

Section: Challenges Gaps and Perspectivesmentioning

confidence: 99%

Recent Advances and Perspectives of Nanostructured Amorphous Alloys in Electrochemical Water Electrolysis

et al. 2021

View full text Add to dashboard Cite

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“…Fortunately, the coupling technology of oxidation etching, galvanic displacement, and coreduction makes it possible to engineer the surface structure of nanocrystals, which obtained a variety of precious metal nanocrystals rich in defects, small planes, and twin boundaries: sphere, [ 51,52 ] tetrahedron, [ 100 ] cube, [ 53 ] octahedron, [ 54 ] cubic octahedron, [ 106,107 ] decahedron, [ 54 ] tetrahedron, [ 108 ] etc. Au–X (Pt/Pd) nanoalloy [ 109 ] was synthesized by a galvanic displacement method. Notably, Zeng et al [ 110 ] oxidation etched the Pd/Pt homogeneous alloy cube by precisely controlling the removal of Pd atoms and the rearrangement of the remaining Pd atoms and Pt atoms, and obtained the Pd/Pt alloy hypercube frame structure with high active site exposure.…”

Section: Structure Optimizationmentioning

confidence: 99%

“…tetrahedron, [108] etc. Au-X (Pt/Pd) nanoalloy [109] was synthesized by a galvanic displacement method. Notably, Zeng et al [110] oxidation etched the Pd/Pt homogeneous alloy cube by precisely controlling the removal of Pd atoms and the rearrangement of the remaining Pd atoms and Pt atoms, and obtained the Pd/Pt alloy hypercube frame structure with high active site exposure.…”

Section: Geometrical Morphology Regulationmentioning

confidence: 99%

Construction and Prospect of Noble Metal‐Based Catalysts for Proton Exchange Membrane Water Electrolyzers

et al. 2023

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Engineering noble metal‐based electrocatalysts (NMEs) with high activity is of vital importance to accelerate the hydrogen production from proton exchange membrane water electrolyzers (PEMWEs). However, the poor stability and high price of NMEs greatly restrict the practical application. In this review, a series of strategies are summarized to boost the activity and reduce the cost of NMEs under acidic condition from the perspective of composition and structure optimization. The composition regulation through doping of metals or nonmetals can effectively inspire alloy effect or cocktail effect of NMEs, which provides an essential guidance to reduce the cost and enhance the stability of NMEs. Meanwhile, the structure optimization also directly improves the intrinsic activity of NMEs, which is comprehensively elaborated based on size, defect, and geometric effects. In addition, to extend the industrial application of PEMWEs, critical scientific issues behind the formulating of electrocatalyst slurry and coating method–PEMWEs performance relationships are fully clarified. Finally, the challenges for survivability of active center, catalytic mechanism research, and construction of membrane electrode are concluded. This review offers comprehensive and targeted guidelines for the rational design of NMEs for PEMWEs application.

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“…144,145 Compared with a single noble metal component, these catalysts generally exhibit superior catalytic activity and stability. [146][147][148] Therefore, MXene-based multi-metal noble metal nanocomposites have been widely used in electrocatalysis. For example, Zhang et al grew Pt x Ni ultra-thin nanowires (NWs) in situ on Ti 3 C 2 nanosheets for the electrocatalytic hydrogen evolution reaction.…”

Section: Strategies For Constructing Mxene-based Multi-metal Noble Me...mentioning

confidence: 99%

Recent advances in noble metal MXene-based catalysts for electrocatalysis

Kong

Deng

2022

J. Mater. Chem. A

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Bismuth-induced synthesis of Au–X (X = Pt, Pd) nanoalloys for electrocatalytic reactions

Abstract: The synthesis of Au–X (X = Pt, Pd) nanoalloys based on Bi as an intermediate using the galvanic replacement reaction method for electrocatalytic reaction.

Cited by 11 publications

References 39 publications

Recent Advances and Perspectives of Nanostructured Amorphous Alloys in Electrochemical Water Electrolysis

Recent Advances and Perspectives of Nanostructured Amorphous Alloys in Electrochemical Water Electrolysis

Construction and Prospect of Noble Metal‐Based Catalysts for Proton Exchange Membrane Water Electrolyzers

Recent advances in noble metal MXene-based catalysts for electrocatalysis

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