Shape-controlled synthesis of metal nanocrystals: simple chemistry meets complex physics?

Shape-controlled synthesis of metal nanocrystals: simple chemistry meets complex physics?
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DOI:
10.1002/anie.200802248
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发表时间:
2009
影响因子:
16.6
通讯作者:
Skrabalak, Sara E.
Skrabalak, Sara E.
中科院分区:
化学1区
文献类型:
--
作者:
Xia, Younan;Xiong, Yujie;Lim, Byungkwon;Skrabalak, Sara E.

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纳米晶体是现代科学技术的基础。掌握了形状的一个控制器,使其性能的控制和提高其有用性的一个给定的应用程序。本文的目的是提出一个全面的审查目前的研究活动,中心的形状控制合成的金属纳米晶体。我们开始,简要介绍成核和生长的背景下,金属氧化物的合成,然后讨论的可能形状,金属氧化物可能采取不同的条件。然后,我们专注于各种实验参数,已被探索,以操纵成核和生长的金属纳米晶体在溶液相合成的努力,以产生特定的形状。然后,我们详细说明这些方法,通过选择的例子中,已经有合理的理解所观察到的形状控制或至少协议已被证明是可重复的和可控的。在这篇文章的最后,我们强调了一些应用程序,已启用和/或增强的形状控制合成的金属纳米晶体。最后,我们总结了这篇文章的个人观点,对未来的研究在这一领域可能采取的方向。
Nanocrystals are fundamental to modern science and technology. Mastery over the shape of a nanocrystal enables control of its properties and enhancement of its usefulness for a given application. The aim of this article is to present a comprehensive review of current research activities that center on the shape-controlled synthesis of metal nanocrystals. We begin with a brief introduction to nucleation and growth within the context of metal nanocrystal synthesis, followed by a discussion of the possible shapes that a metal nanocrystal might take under different conditions. We then focus on a variety of experimental parameters that have been explored to manipulate the nucleation and growth of metal nanocrystals in solution-phase syntheses in an effort to generate specific shapes. We then elaborate on these approaches by selecting examples in which there is already reasonable understanding for the observed shape control or at least the protocols have proven to be reproducible and controllable. Toward the end of this article, we highlight a number of applications that have been enabled and/or enhanced by the shape-controlled synthesis of metal nanocrystals. We conclude this article with personal perspectives on the directions toward which future research in this field might take.
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