Preparation of Pd Nanoparticle on Gold Electrode Surface and Its Catalysis for Oxygen Reduction

Chem. J. Chinese Universities ›› 2003, Vol. 24 ›› Issue (11): 2080.

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Preparation of Pd Nanoparticle on Gold Electrode Surface and Its Catalysis for Oxygen Reduction

SHEN Yan¹, ZHU Pei-De², LIU Bai-Feng¹, YANG Xiu-Rong¹, DONG Shao-Jun¹

1. State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
2. Jiangsu Jiangfen ElectroanalyticaLInstrument Ltd., Jiangyan 225500, China

Received:2003-06-03 Online:2003-11-24 Published:2003-11-24

Abstract

Abstract: Asimple method for the preparation of Pd nanoparticleSIs described.The Pd nanoparticles were electrodeposited on the gold electrode surface from 0.5 mol/L H₂SO₄solution containing 0.01mol/L K₂PdCl₄by applying potential step from 1.1 Vto 0 Vthrough 5s.Scanning electron microscopy proved that the as-prepared Pd nanoparticles are uniformly distributed on the bare gold electrode surface.The resulted Pd nanoparticles film modified gold electrode possesses a high catalytic activity for the reduction of dissolved oxygen in 0.1mol/L KCl solution.

Key words: Gold electrode, Pd nanoparticles, Electrocatalysis, Oxygen reduction

CLC Number:

O657

TrendMD:

SHEN Yan, ZHU Pei-De, LIU Bai-Feng, YANG Xiu-Rong, DONG Shao-Jun. Preparation of Pd Nanoparticle on Gold Electrode Surface and Its Catalysis for Oxygen Reduction[J]. Chem. J. Chinese Universities, 2003, 24(11): 2080.

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Preparation of Pd Nanoparticle on Gold Electrode Surface and Its Catalysis for Oxygen Reduction

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