Liquid-liquid interface assisted synthesis of size- and thickness-controlled Ag nanoplates

Liquid-liquid interface assisted synthesis of size- and thickness-controlled Ag nanoplates
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液-液界面辅助合成尺寸和厚度受控的银纳米板

DOI:
10.1016/j.jssc.2010.04.017
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发表时间:
2010-06
影响因子:
3.3
通讯作者:
Xie, Shui-Fen
Xie, Shui-Fen
中科院分区:
化学3区
文献类型:
--
作者:
Jin, Ming-Shang;Han, Xi-Guang;Zheng, Lan-Sun;Xie, Zhao-Xiong;Kuang, Qin;Xie, Shui-Fen

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本文提出了一种利用还原剂二茂铁在水-有机界面还原Ag+水溶液制备高纯Ag纳米片的方法。结果表明,通过调节有机相的组成,可以在600 nm ~ 7μm范围内对银纳米片的尺寸和厚度进行宽范围的调节。我们提出的方法具有快速、无模板、无种子、高产率的特点,可用于合成其他贵金属如Pt、Au和Pd的二维纳米结构。
Here we proposed a synthetic method of high-purity Ag nanoplates by the reduction of aqueous Ag+ions at the aqueous–organic interface with the reductant ferrocene. We demonstrated that the as-prepared Ag nanoplates can be widely tunable from 600nm to 7μm in size and from 10 to 35nm in thickness, simply by adjusting the component of organic phase. To our knowledge, there are few methods to tailor the size and the thickness of metal nanoplates in such a large range although many efforts have been made aiming to realize it. Our proposed synthetic strategy is rapid, template-free, seed-less, and high-yield, and could be applied to synthesize analogous two-dimensional nanostructures of other noble metals, such as Pt, Au, and Pd.
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