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

Kuan Wen Wang, Zhuang Yu, Alice Hu, Yang Yang Hsu, Tian Lin Chen, Cheng Yang Lin, Chih Wei Hu, Ya Tang Yang, Tsan Yao Chen

研究成果: 雜誌貢獻期刊論文同行評審

9 引文 斯高帕斯(Scopus)

摘要

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.

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頁(從 - 到)55110-55120
頁數11
期刊RSC Advances
7
發行號87
DOIs
出版狀態已出版 - 2017

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