Oligonucleotide-assisted successive coreduction synthesis of dendritic platinum-gold core-shell alloy nanocrystals with improved electrocatalytic performance for methanol oxidation
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- 作者：Li-Xian Chena ; Lei Liua ; Jiu-Ju Fenga ; Zhi-Gang Wangb ; Ai-Jun Wangb ; ajwang@zjnu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Polyinosinic acid ; Successive coreduction ; Core&ndash ; shell alloy nanocrystals ; Methanol oxidation
- 刊名：Journal of Power Sources
- 出版年：2016
- 出版时间：20 January 2016
- 年：2016
- 卷：302
- 期：Complete
- 页码：140-145
- 全文大小：1262 K
文摘
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Dendritic Pt–Au core–shell alloy nanocrystals are prepared facilely on a large scale.
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The atomic ratios of Pt to Au in the core and shell are 4:1 and 2:3, respectively.
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A simple one-pot successive coreduction method is developed.
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Polyinosinic acid is firstly used as a capping agent.
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The hybrid crystals display enhanced electrocatalytic performance for MOR.