Noble metal nanowire arrays as an ethanol oxidation electrocatalyst

Zhenhui Lam, Cuicui Liu, Dongmeng Su, Hua Bing Tao, Hsin Yi Wang, Jiazang Chen, Weichang Xu, Liping Zhang, Yihan Zhu, L. M. Liu, Yu Han, Hongyu Chen, Bin Liu

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Vertically aligned noble metal nanowire arrays were grown on conductive electrodes based on a solution growth method. They show significant improvement of electrocatalytic activity in ethanol oxidation, from a re-deposited sample of the same detached nanowires. The unusual morphology provides open diffusion channels and direct charge transport pathways, in addition to the high electrochemically active surface from the ultrathin nanowires. Our best nanowire arrays exhibited much enhanced electrocatalytic activity, achieving a 38.0 fold increase in specific activity over that of commercial catalysts for ethanol electrooxidation. The structural design provides a new direction to enhance the electrocatalytic activity and reduce the size of electrodes for miniaturization of portable electrochemical devices.
Original languageEnglish (US)
Pages (from-to)177-181
Number of pages5
JournalNanoscale Advances
Issue number1
StatePublished - 2021


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