Green Synthesis of Metal Nanoparticles by Sesbania Gum
首发时间:2012-11-13
Abstract:A green and environment-friendly method for synthesis of metal nanoparticles (NPs) was presented. Sesbania gum (SG) as a reducing and stabilizing reagent was first employed to prepare metal NPs. Through solvent evaporating of the Ag NP contained solution, a stable metal NP embedded membrane was obtained. Fourier transform infrared (FT-IR) and Raman spectroscopies were employed to insight into the interaction between metal NPs and SG in membrane. Interestingly, the dried metal NP embedded membrane can be redissolved into water to form a homogeneous Ag colloid according to the protection of SG. This study provides a green and low cost approach for synthesis of metal NPs. The existence of this metal NP embedded membrane makes the conservation and transportation of NPs become easy and facile.
keywords: Colloidal chemistry environment-friendly silver nanoparticles aqueous phase synthesis
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用田箐胶绿色合成金属纳米粒子
摘要:本文报道了一种制备金属纳米的绿色、环境友好的方法。首次使用田菁胶作为还原剂和稳定剂制备金属纳米粒子。通过溶剂挥发方法,可以得到一种稳定的金属纳米粒子膜。紫外、红外光谱和拉曼光谱被用来探究金属粒子和田菁胶在膜中的相互作用。有趣的是这种干燥的银纳米粒子膜在田菁胶的保护下还可以重新溶解于水中形成均相的溶胶。本研究提供了一种绿色、低耗的合成金属纳米粒子方法。这种纳米粒子膜可以让纳米材料的存储和运输变得简单容易。
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