Electrochemical modification process of anodic alumina membrane

The modification procedure of anodic alumina membrane（AAM） was studied. The AAM structure after modification was characterized by nickel nanowires prepared in AAM. Scanning electron microscopy was used to characterize the topography and structure properties of the AAM and nickel nanowires. The trans...

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Bibliographic Details
Published in:Transactions of Nonferrous Metals Society of China 2006-06, Vol.16 (B02), p.681-684
Main Author: 于美 刘建华 李松梅
Format: Article
Language:English
Subjects:
anodic alumina membrane
electrodeposition
modification
nanowires
电化学改性过程
电沉积
表面改性
镍纳米线
阳极铝膜
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Summary:The modification procedure of anodic alumina membrane（AAM） was studied. The AAM structure after modification was characterized by nickel nanowires prepared in AAM. Scanning electron microscopy was used to characterize the topography and structure properties of the AAM and nickel nanowires. The transformation of the current during the voltage reduction was studied. The mechanism of current and structure change during modification was discussed. The results show that a root structure produces aider the AAM modification. The length of the root structure depends on the velocity of the voltage reduction. Slow voltage reduction leads to a large length of the root structure, otherwise, a short length of the root structure. At the end of the modification, the barrier layer is thin enough to be passed by electrons. Hence, the direct electrodeposition of one-dimensional nanowires can be carried out on the AAM with barrier layer and aluminum matrix successfully without any other treatments.
ISSN:1003-6326
DOI:10.1016/S1003-6326(06)60277-X