Interface engineered surface morphology evolution of Au@Pd core–shell nanorods†,Nanoscale

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Interface engineered surface morphology evolution of Au@Pd core–shell nanorods†
Nanoscale ( IF 5.8 ) Pub Date : 2018-10-18 00:00:00 , DOI: 10.1039/c8nr06835f
Yanchao Xu _{1,

2,

3,

4,

5} , Xiaoqiang Cui _{1,

2,

3,

4,

5} , Kun Qi _{1,

2,

3,

4,

5} , Shuting Wei _{1,

2,

3,

4,

5} , Qiyu Wang _{1,

2,

3,

4,

5} , Weitao Zheng _{1,

2,

3,

4,

5}

Affiliation

Engineering the interfacial structure of bimetallic nanocrystals is an effective method to improve their electrocatalytic performances. Here, we design a facile strategy for controlling the surface morphology evolution of Au@Pd core–shell nanorods by adjusting the solution supersaturation. The Pd shell of the as-prepared Au@Pd bimetallic nanorods can be modulated from a (111) facet-exposed island to a (100) facet-exposed conformal shell. The conformal shell structure exhibited enhanced catalytic performance toward the ethanol oxidation reaction, while the core-island structure possessed better catalytic stability. This work provides a facile method for interfacial engineering of bimetallic nanocrystals with desired morphology and properties.

中文翻译：

Au @ Pd核-壳纳米棒的界面工程表面形态演变†

工程双金属纳米晶体的界面结构是提高其电催化性能的有效方法。在这里，我们设计了一种简便的策略，通过调节溶液的过饱和度来控制Au @ Pd核壳纳米棒的表面形态演变。所制备的Au @ Pd双金属纳米棒的Pd壳可以从（111）刻面暴露的岛调制为（100）刻面暴露的保形壳。保形壳结构对乙醇氧化反应具有增强的催化性能，而核岛结构具有较好的催化稳定性。这项工作为双金属纳米晶体的界面工程提供了所需的形态和性能的简便方法。

更新日期：2018-10-18

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