用阳极氧化法制备金属纳米颗粒负载介孔氧化铝

Y. Ma, Xiaorong Zhou, G. Thompson, M. Curioni, T. Hashimoto, P. Skeldon, E. Koroleva
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引用次数: 9

摘要

这封信报告了一种通过阳极氧化商业铝合金制造金属纳米颗粒负载介孔氧化铝的单步方法。金属纳米颗粒的尺寸为2 ~ 4 nm,宽高比可达8,显示出晶体结构,并均匀分布在介孔氧化铝中。该方法可以很容易地大规模实施,并扩展到由阀金属和不同合金元素组成的其他合金体系,其氧化形成的吉布斯自由能小于阀金属的负,有利于纳米结构设计和纳米结构合成,用于催化,离子交换,传感等应用。©2011 The Electrochemical Society。版权所有。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Single-Step Fabrication of Metal Nanoparticle Loaded Mesoporous Alumina through Anodizing of a Commercial Aluminum Alloy
The letter reports a single-step method for fabrication of metal nanoparticle loaded mesoporous alumina through anodizing of a commercial aluminum alloy. The metal nanoparticles, with short dimensions of 2-4 nm and aspect ratios up to 8, display crystalline structures and are evenly dispersed in mesoporous alumina. The approach can easily be implemented on a large scale and extended to other alloy systems consisting of a valve metal and different alloying elements with Gibbs free energy of oxide formation less negative than that of the valve metal, benefiting nanoarchitecture design and nanostructure synthesis for applications in catalysis, ion exchange, sensing, etc. © 2011 The Electrochemical Society. All rights reserved.
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来源期刊
Electrochemical and Solid State Letters
Electrochemical and Solid State Letters 工程技术-材料科学:综合
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