Direct, rapid synthesis of water-dispersed copper nanoparticles and their surface-enhanced Raman scattering properties

被引：19
|
作者：
Mao, Aiqin [1 ]
Ding, Mengling [1 ]
Jin, Xia [2 ]
Gu, Xiaolong [2 ]
Cai, Chun [1 ]
Xin, Chen [1 ]
Zhang, Tianyu [1 ]
机构：
[1] Anhui Univ Technol, Sch Mat Sci & Engn, Maanshan 243002, Anhui, Peoples R China
[2] Zhejiang Prov Key Lab Soldering & Brazing Mat & T, Hangzhou 310011, Zhejiang, Peoples R China
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2015年 / 1079卷
关键词：
Copper nanoparticles; Gelatin; Water-dispersed; Surface-enhanced Raman scattering; CATALYTIC-PROPERTIES; SILVER NANOCUBES; FACILE; MORPHOLOGY; SERS;
D O I：
10.1016/j.molstruc.2014.09.003
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A facile synthetic method for monodisperse copper nanoparticles (CuNPs) has been reported, in which sodium hyposulphite works as reducing agent and gelatin serves as capping agent. Water-dispersed CuNPs have been produced without any protective atmosphere at room temperature. The as-prepared samples are characterized by ultraviolet-visible spectroscopy, transmission electron microscopy, X-ray diffraction and Raman spectra. The results show that the quasi-spheres and phase-pure crystalline CuNPs with a diameter of 32 +/- 3 nm can be quickly obtained by adjusting the amount of NaOH solution and quantity of gelatin. The present work suggests a great potential of using obtained CuNPs colloidal as an efficient substrate for surface-enhanced Raman scattering signals. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：396 / 401
页数：6
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