Green synthesis and characteristic of core-shell structure silver/starch nanoparticles

被引：57
|
作者：
Gao, Xianghua [1 ]
Wei, Liqiao [1 ]
Yan, Hong [1 ]
Xu, Bingshe [1 ]
机构：
[1] Univ Technol, Key Lab Interface Sci & Engn Adv Mat Taiyuan, Minist Educ, Taiyuan 030024, Peoples R China
来源：
MATERIALS LETTERS | 2011年 / 65卷 / 19-20期
基金：
中国国家自然科学基金;
关键词：
Nanoparticles; Core-shell; Polymer; Silver; Biomaterials; SILVER NANOPARTICLES; STARCH;
D O I：
10.1016/j.matlet.2011.06.020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An eco-friendly method was put forward to synthesize Ag nanoparticles (Ag NPs) by using biodegradable starch as a stabilizing agent. The silver ion from AgNO3 was reduced by glucose in soluble starch solution. Morphological observation and characterization of Ag NPs were performed by using high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD) and UV-vis absorption spectroscopy. HRTEM showed that Ag NPs were covered by starch layer to form spherical core-shell Ag/starch NPs with diameter ranging from 5 to 20 nm. XRD pattern confirmed the presence of Ag NPs with face-centered cubic (fcc) structure. All these results indicated that starch played an important role in stabilizing Ag NPs. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：2963 / 2965
页数：3
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