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

页码：396 / 401

页数：6

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