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Adv. Mater.25周年专刊综述：伽尔瓦尼还原反应在合成空心纳米结构方面的应用 已有9人参与
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25th Anniversary Article: Galvanic Replacement: A Simple and Versatile Route to Hollow Nanostructures with Tunable and Well Controlled Properties 这篇综述是夏幼南组发表在Adv. Mater.25周年的一篇文章，主要讨论了伽尔瓦尼还原反应在合成复杂的空心纳米结构方面的应用及进展。文章首先说明了伽尔瓦尼还原反应的机理，强调了它在控制金属纳米结构的尺寸、成分、结构、形状、形貌等方面的能力，然后讨论了伽尔瓦尼还原反应过程中的一些概念，例如面选择性，合金化的影响等。同时也说明了如何将伽尔瓦尼还原反应与共还原、柯肯特尔效应结合起来合成复杂的纳米结构，最后强调了伽尔瓦尼还原反应在催化、等离子体、生物医药方面的应用以及发展前景。希望对大家有所帮助。 This article provides a progress report on the use of galvanic replacement for generating complex hollow nanostructures with tunable and well controlled properties. We begin with a brief account of the mechanistic understanding of galvanic replacement, specifically focused on its ability to engineer the properties of metal nanostructures in terms of size, composition, structure, shape, and morphology. We then discuss a number of important concepts involved in galvanic replacement, including the facet selectivity involved in the dissolution and deposition of metals, the impacts of alloying and dealloying on the structure and morphology of the final products, and methods for promoting or preventing a galvanic replacement reaction. We also illustrate how the capability of galvanic replacement can be enhanced to fabricate nanomaterials with complex structures and/or compositions by coupling with other processes such as coreduction and the Kirkendall effect. Finally, we highlight the use of such novel metal nanostructures fabricated via galvanic replacement for applications ranging from catalysis to plasmonics and biomedical research, and conclude with remarks on prospective future directions.     [ Last edited by Jeaweal on 2013-11-28 at 13:22 ] |
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