Hollow PtCu octahedral nanoalloys: Efficient bifunctional electrocatalysts towards oxygen reduction reaction and methanol oxidation reaction by regulating near-surface composition.

  title={Hollow PtCu octahedral nanoalloys: Efficient bifunctional electrocatalysts towards oxygen reduction reaction and methanol oxidation reaction by regulating near-surface composition.},
  author={Guorong Chen and Xiaotong Yang and Zixuan Xie and Fenglin Zhao and Zhiyou Zhou and Qiang Yuan},
  journal={Journal of colloid and interface science},
Incorporation of Pt-Cr Nanoparticles into Highly Porous MOF-5 as Efficient Oxygen Reduction Electrocatalysts.
A highly efficient oxygen-reduction catalyst based on bimetallic Pt-Cr nanoparticles (NPs), with ultra-low Pt contents, dispersed on highly porous carbon obtained at 900 oC via pyrolysis was studied.
Influence of Electrochemical Pretreatment Conditions of PtCu/C Alloy Electrocatalyst on Its Activity
It has been found that the potential range of the preliminary voltammetric activation of the PtCux/C catalyst has a significant effect on the de-alloyed material activity in the oxygen electroreduction reaction (ORR).


Polyhedron-Assembled Ternary PtCuCo Nanochains: Integrated Functions Enhance the Electrocatalytic Performance of Methanol Oxidation at Elevated Temperature.
The structure characterizations show that high density of surface active sites, d-band center of Pt downshift, moderate strain effect and synergetic effect are jointly responsible to the enhanced electrocatalytic performance of one-dimensional ternary PtCuCo nanochains.
One-pot synthesis of cubic PtCu3 nanocages with enhanced electrocatalytic activity for the methanol oxidation reaction.
This study reports the synthesis, characterization, and electrochemical evaluation of cubic intermetallic PtCu(3) nanocages, which possess a more accessible surface area and a unique hollow structure that contribute to improved electrocatalytic activity in the methanol oxidation reaction.
Facile Construction of N-Doped Graphene Supported Hollow PtAg Nanodendrites as Highly Efficient Electrocatalysts toward Formic Acid Oxidation Reaction
The lack of cost-efficient catalysts for the electrooxidation of fuel in the anodic electrode has been a major barrier for the practical large-scale commercial application and hence needs to be
Surface Evolution of PtCu Alloy Shell over Pd Nanocrystals Leads to Superior Hydrogen Evolution and Oxygen Reduction Reactions
Pt-based electrocatalysts are by far the most effective for the hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR), but they still suffer from high cost and insufficient overall
PtCuNi Tetrahedra Catalysts with Tailored Surfaces for Efficient Alcohol Oxidation.
Electrocatalytic studies demonstrate that Pt56Cu28Ni16 exhibits exceptional MOR and EOR specific activities and record high mass activity, comparing favorably with the best MOR or EOR Pt alloy-based catalysts reported to date.
Highly crystalline PtCu nanotubes with three dimensional molecular accessible and restructured surface for efficient catalysis
Direct methanol fuel cells (DMFCs) as candidates for dominant energy conversion devices based on the higher energy densities of liquid methanol show unique advantages over hydrogen-based fuel cells,