2015
DOI: 10.1002/anie.201411544
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One‐Pot Synthesis of Pt–Co Alloy Nanowire Assemblies with Tunable Composition and Enhanced Electrocatalytic Properties

Abstract: Three-dimensional (3D) Pt-based alloy nanostructures composed of one-dimensional (1D) nanowires/nanorods have recently attracted significant interest as electrocatalysts. In this work, we report an effective solvothermal method for the direct preparation of 3D Pt-Co nanowire assemblies (NWAs) with tunable composition. The composition- and structure-dependent electrocatalytic performance is thoroughly investigated. Because of the bimetallic synergetic effect and unique structural advantage, the as-prepared 3D P… Show more

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Cited by 423 publications
(221 citation statements)
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“…However, the Pt1/ATO showed higher binding energy of Pt 4f peak and this has been also observed in Pt alloys. [32] Interestingly, the surface Sb peak was rarely observed for the Pt1/ATO, whereas the Sb peak was clearly observed for the Pt NP/ATO.…”
Section: Resultsmentioning
confidence: 99%
“…However, the Pt1/ATO showed higher binding energy of Pt 4f peak and this has been also observed in Pt alloys. [32] Interestingly, the surface Sb peak was rarely observed for the Pt1/ATO, whereas the Sb peak was clearly observed for the Pt NP/ATO.…”
Section: Resultsmentioning
confidence: 99%
“…Based on this case, various structures have been successfully generated for Pt-based bimetallic nanostructures in a wide range of elements, such as PtPd [6−11], PtCu [12,13], PtAg [14], PtCo [15,16], PtAu [17,18], PtNi [19 −21], PtRu [22−25], and PtFe [26]. By comparison, given that Pd and Pt have nearly the same structures (the same group of the periodic table, the face-centered cubic (fcc) crystal structure and the similar lattice constants) [27,28], the PdPt bimetallic nanoparticles (NPs) are especially attractive for catalyzing multiple reactions due to the presence of the powerful catalytic components of Pd and Pt.…”
Section: Introductionmentioning
confidence: 99%
“…Generally, the catalytic performance of nanocrystals can be finely and effectively manipulated by changing their surface structure and composition, which mediate the electronic structure, surface atomic arrangement, and coordination [1,[11][12][13][14]. For instance, the Pt3Ni(111) crystal surface reported by Stamenkovic has an unusual electronic structure (d-band center positon) and arrangement of surface atoms in the near-surface region, where the outermost layer contains almost 100% Pt, the third layer is Pt-rich, and the Ni-rich is subsurface layer [1,15].…”
Section: Introductionmentioning
confidence: 99%