Lantana camara Linn leaf extract mediated green synthesis of gold nanoparticles and study of its catalytic activity

被引：36
|
作者：
Dash, Shib Shankar [1 ]
Bag, Braja Gopal [1 ]
Hota, Poulami [1 ]
机构：
[1] Vidyasagar Univ, Dept Chem & Chem Technol, Midnapore 721102, W Bengal, India
来源：
APPLIED NANOSCIENCE | 2015年 / 5卷 / 03期
关键词：
Lantana camara Linn; Gold nanoparticles; Catalytic reduction; Green synthesis; Phytochemicals; CHEMISTRY; BIOLOGY; ACID;
D O I：
10.1007/s13204-014-0323-4
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A facile one-step green synthesis of stable gold nanoparticles (AuNPs) has been described using chloroauric acid (HAuCl4) and the leaf extract of Lantana camara Linn (Verbenaceae family) at room temperature. The leaf extract enriched in various types of plant secondary metabolites is highly efficient for the reduction of chloroaurate ions into metallic gold and stabilizes the synthesized AuNPs without any additional stabilizing or capping agents. Detailed characterizations of the synthesized gold nanoparticles were carried out by surface plasmon resonance spectroscopy, transmission electron microscopy, dynamic light scattering, Zeta potential, X-ray diffraction and Fourier transform-infrared spectroscopy studies. The synthesized AuNPs have been utilized as a catalyst for the sodium borohydride reduction of 4-nitrophenol to 4-aminophenol in water at room temperature under mild reaction condition. The kinetics of the reduction reaction has been studied spectrophotometrically.
引用
收藏
页码：343 / 350
页数：8
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