Facile synthesis of Ag nanocubes of 30 to 70 nm in edge length with CF(3)COOAg as a precursor.

Facile synthesis of Ag nanocubes of 30 to 70 nm in edge length with CF(3)COOAg as a precursor.
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DOI:
10.1002/chem.201000341
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发表时间:
2010-09-03
影响因子:
4.3
通讯作者:
Xia, Younan
Xia, Younan
中科院分区:
化学2区
文献类型:
--
作者:
Zhang, Qiang;Li, Weiyang;Wen, Long-Ping;Chen, Jingyi;Xia, Younan

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本文介绍了一种新的协议,用于生产银纳米立方体的边长为30至70 nm的使用CF 3 COOAg作为前体元素银。通过添加微量的硫氢化钠(NaHS)和盐酸(HCl)的多元醇合成,银纳米立方体获得了良好的质量,高再现性,并在规模高达0.19克每批的70纳米银纳米立方体。银纳米立方体被发现在合成过程中以可控的速度生长。Ag纳米立方体的边长与局域表面等离子体共振(LSPR)峰的位置之间的线性关系提供了一种通过监测反应在不同时间的紫外-可见光谱来精细调节和控制Ag纳米立方体的尺寸的简单方法。
This paper describes a new protocol for producing Ag nanocubes of 30 to 70 nm in edge length with the use of CF3COOAg as a precursor to elemental silver. By adding a trace amount of sodium hydrosulfide (NaHS) and hydrochloric acid (HCl) into the polyol synthesis, Ag nanocubes were obtained with good quality, high reproducibility, and on a scale up to 0.19 g per batch for the 70-nm Ag nanocubes. The Ag nanocubes were found to grow in size at a controllable pace over the course of synthesis. The linear relationship between the edge length of the Ag nanocubes and the position of localized surface plasmon resonance (LSPR) peak provides a simple method for finely tuning and controlling the size of the Ag nanocubes by monitoring the UV-vis spectra of the reaction at different times.
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