Issue 87, 2017, Issue in Progress
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RSC Advances

Rapid crystal growth of bimetallic PdPt nanocrystals with surface atomic Pt cluster decoration provides promising oxygen reduction activity†

Kuan-Wen Wang, ORCID logo a   Zhuang Yu,b   Alice Hu,b   Yang-Yang Hsu,c   Tian-Lin Chen,a   Cheng-Yang Lin,d   Chih-Wei Hu,c   Ya-Tang Yangd  and  Tsan-Yao Chen ORCID logo *ce  

* Corresponding authors

a Institute of Materials Science and Engineering, National Central University, Taiwan

b Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong

c Department of Engineering and System Science, National Tsing Hua University, Hsinchu 30013, Taiwan
E-mail: chencaeser@gmail.com
Tel: +886-3-5715131 ext. 34271

d Department of Electrical Engineering, Institute of Electronic Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan

e Institute of Nuclear Engineering and Science, National Tsing Hua University, Hsinchu 30013, Taiwan

Abstract

Carbon nanotube-supported bimetallic Pd nanoparticles (NPs) with atomic Pt cluster surface decoration (the mole ratio of Pt/Pd is 0.1) are synthesized by a wet chemical method with sodium borohydride as the reducing agent. The core component is controlled by metal ion reduction sequences. The mass activity for the oxygen reduction reaction (ORR) over Pt metal of the presented PdPt NPs is improved by 29.4 times as compared to that of commercial Pt catalysts. Such an enhancement is accounted by an expanded Pt–Pd bond length and heteroatomic intermixing-induced electron relocation.

Graphical abstract: Rapid crystal growth of bimetallic PdPt nanocrystals with surface atomic Pt cluster decoration provides promising oxygen reduction activity

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Article information

DOI
https://doi.org/10.1039/C7RA08405F
Article type
Paper
Submitted
31 Jul 2017
Accepted
23 Nov 2017
First published
05 Dec 2017
This article is Open Access
Creative Commons BY license

RSC Adv., 2017,7, 55110-55120

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Rapid crystal growth of bimetallic PdPt nanocrystals with surface atomic Pt cluster decoration provides promising oxygen reduction activity

K. Wang, Z. Yu, A. Hu, Y. Hsu, T. Chen, C. Lin, C. Hu, Y. Yang and T. Chen, RSC Adv., 2017, 7, 55110 DOI: 10.1039/C7RA08405F

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