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Related Experiment Video

Updated: Feb 2, 2026

Photodeposition of Pd onto Colloidal Au Nanorods by Surface Plasmon Excitation

Photodeposition of Pd onto Colloidal Au Nanorods by Surface Plasmon Excitation

Published on: August 15, 2019

Interface engineered surface morphology evolution of Au@Pd core-shell nanorods.

Yanchao Xu¹, Xiaoqiang Cui, Kun Qi

¹State Key Laboratory of Automotive Simulation and Control, School of Materials Science and Engineering, Key Laboratory of Automobile Materials of MOE and Jilin University, Changchun, 130012, People's Republic of China. xqcui@jlu.edu.cn wtzheng@jlu.edu.cn.

|November 9, 2018

Summary

Researchers engineered gold-palladium (Au@Pd) core-shell nanorods by controlling solution supersaturation. Different surface structures were achieved, leading to varied electrocatalytic performance for ethanol oxidation.

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Area of Science:

Materials Science
Nanotechnology
Electrochemistry

Background:

Engineering the interfacial structure of bimetallic nanocrystals is crucial for enhancing electrocatalytic performance.
Controlling the surface morphology of nanocrystals influences their catalytic properties.

Purpose of the Study:

To develop a facile strategy for controlling the surface morphology of Au@Pd core-shell nanorods.
To investigate the relationship between interfacial structure and electrocatalytic performance for the ethanol oxidation reaction.

Main Methods:

Utilized a facile strategy to control solution supersaturation for modulating the surface morphology of Au@Pd core-shell nanorods.
Engineered the palladium (Pd) shell structure, transitioning from (111) facet-exposed islands to a (100) facet-exposed conformal shell.

Main Results:

Achieved modulation of the Pd shell from an island structure to a conformal structure on Au@Pd core-shell nanorods.
The conformal shell structure demonstrated enhanced catalytic performance for the ethanol oxidation reaction.
The core-island structure exhibited superior catalytic stability.

Conclusions:

The developed strategy allows for facile interfacial engineering of bimetallic nanocrystals.
Tailoring the surface morphology of Au@Pd nanorods can optimize electrocatalytic performance and stability for specific reactions.
This work provides insights into designing nanocatalysts with desired properties through interfacial control.