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Title: Revisiting metal electrodeposition in porous anodic alumina: toward tailored preparation of metal nanotube arrays
Authors: Zhang, Aiqin
Zhou, Jiajing
Das, Paramita
Xiao, Yuanhua
Gong, Feilong
Li, Feng
Wang, Lizhen
Zhang, Linsen
Wang, Lixia
Cao, Yang
Duan, Hongwei
Keywords: Growth Mechanism
Metal Electrodeposition
Issue Date: 2018
Source: Zhang, A., Zhou, J., Das, P., Xiao, Y., Gong, F., Li, F., et al. (2018). Revisiting Metal Electrodeposition in Porous Anodic Alumina: Toward Tailored Preparation of Metal Nanotube Arrays. Journal of The Electrochemical Society, 165(3), D129-D134.
Series/Report no.: Journal of The Electrochemical Society
Abstract: Metal electrodeposition in porous anodic aluminum oxide (AAO) is a complicated and multi-step process, consisting of diffusion of metal ions in the pores, reduction of metal ions and crystallization of metal atoms. The growth mechanism is also complex and changing with electrodeposition conditions. In this paper, we present new insights into the growth of metal nanostructures in AAO via electrodeposition. Two different growth modes for metal electrodeposition in porous AAO, namely center growth mode and lateral growth mode, are revealed, opening a new approach to preparing metal nanotube arrays with tailored structures. This strategy is broadly applicable to varieties of metals, such as Ni, Cu, and Ag. The resultant metal nanotube arrays give rise to improved electro-catalytic activity to small molecule oxidation (such as ethanol and urea) due to the larger surface areas. These findings help to deeply understand the metal electrodeposition in AAO, extend the application of template-assisted electrodeposition and provide innovative ideas to prepare novel metal nanomaterials.
ISSN: 0013-4651
DOI: 10.1149/2.0651803jes
Rights: © 2018 The Electrochemical Society (ECS). This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of the Electrochemical Society, The Electrochemical Society (ECS). It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCBE Journal Articles

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