银杏叶提取物绿色合成纳米银及其表征

IF 0.8 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
C. Dong, Jiangbo Luo, Gang Chen, Wei Chen, Xinghua Xiao
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引用次数: 1

摘要

以银杏叶提取物为原料,采用一种简便、有效、绿色的方法制备了分散良好的银纳米粒子。在该方法中,银杏叶提取物被用作稳定剂和还原剂,而不添加有毒剂。使用0.1%硝酸银溶液(w/v)作为银源。通过紫外-可见吸收光谱(UV-vis)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)、粉末X射线衍射(XRD)和动态光散射(DLS)对合成的银纳米粒子进行了研究和检测。银纳米颗粒的形成是通过颜色从浅黄色变为红色来发现的,紫外-可见光谱中456nm处的吸收峰进一步证明了这一点。所制备的纳米颗粒是全局形状的,本质上高度结晶,具有从10nm到40nm的窄分布。银纳米颗粒被提取物覆盖,这防止了它们的团聚和氧化。研究了影响纳米银生成性能的不同参数,如时间、硝酸银用量和提取物。结果表明,这些反应参数在银纳米粒子的合成中起着重要作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Green Synthesis and Characterization of Silver Nanoparticles Using Ginkgo Biloba Laf Extract
A facile, effective and green method using Ginkgo Biloba leaf extract was applied and optimized for the preparation of well dispersed silver nanoparticles. In the method, Ginkgo Biloba leaf extract was employed as both stabilizing and reducing agent without the addition of a toxic agent. 0.1 % silver nitrate solution (w/v) was used silver source. The synthesized silver nanoparticles were investigated and examined by UV-vis absorption spectroscopy (UV-vis), Scanning electron microscope (SEM), Transmission electron microscopy (TEM), powder X-ray diffraction (XRD) and Dynamic light scattering (DLS). The formation of silver nanoparticles was found by a change of color from light yellow to red, which was further proved by absorbance peak at 456 nm in UV-vis spectroscopy. The prepared nanoparticles are global in shape, highly crystalline in nature with a narrow distribution from 10 nm to 40 nm. The silver nanoparticles were capped with extracts, which prevented them from agglomeration and oxidation. Different parameters affecting the generation performance of silver nanoparticles, such as time, amount of silver nitrate and extract were investigated. The results demonstrate that these reaction parameters play important roles in the synthesis of silver nanoparticles.
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来源期刊
Materials Science-medziagotyra
Materials Science-medziagotyra 工程技术-材料科学:综合
CiteScore
1.70
自引率
10.00%
发文量
92
审稿时长
6-12 weeks
期刊介绍: It covers the fields of materials science concerning with the traditional engineering materials as well as advanced materials and technologies aiming at the implementation and industry applications. The variety of materials under consideration, contributes to the cooperation of scientists working in applied physics, chemistry, materials science and different fields of engineering.
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