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用于增强甲醇氧化的具有可控结构的 Pt-Ni 合金纳米晶体。

Pt-Ni alloyed nanocrystals with controlled architectures for enhanced methanol oxidation.

机构信息

Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Science at Microscale, Department of Chemistry, University of Science and Technology of China, P. R. China.

出版信息

Chem Commun (Camb). 2013 Oct 7;49(77):8704-6. doi: 10.1039/c3cc44503h.

Abstract

Pt-Ni alloy nanocrystals with controlled architectures (multi-arms and flowers) have been synthesized via a simple colloid chemistry method. The crystal surfaces possess abundant low-coordination defect sites, where the reaction kinetics of methanol oxidation can be improved, resulting in the catalysts exhibiting better stability and higher resistance to poisoning.

摘要

通过简单的胶体化学方法合成了具有可控结构(多臂和花状)的 Pt-Ni 合金纳米晶体。晶体表面具有丰富的低配位缺陷位,可提高甲醇氧化反应的动力学,从而使催化剂表现出更好的稳定性和抗中毒能力。

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