One-step hydrothermal synthesis of Ag/Cu2O heterogeneous nanostructures over Cu foil and their SERS applications

被引：65

作者：

Ji, Ran ^{[1
]}

Sun, Wendong ^{[1
]}

Chu, Ying ^{[1
]}

机构：

[1] NE Normal Univ, Fac Chem, Changchun 130024, Peoples R China

来源：

RSC ADVANCES | 2014年 / 4卷 / 12期

关键词：

ENHANCED RAMAN-SCATTERING; AG NANOPARTICLES; SURFACE; SPECTROSCOPY; NANOCRYSTALS; SILVER; ASSEMBLIES; NANOFIBERS; REDUCTION; MOLECULES;

D O I：

10.1039/c3ra44281k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this paper, Ag/Cu2O heterogeneous nanostructured films (HNFs) were prepared by a one-step hydrothermal method. It involved only two materials, AgNO3 and Cu foil, in the aqueous solution to form Ag/Cu2O HNF. X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), energy dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM) were used to characterize the Ag/Cu2O films. Ag nanoparticles and Cu2O nanocubes were formed by redox reactions and the Ag nanoparticles deposited on the Cu2O nanocubes via electrostatic attraction. The obtained Ag/Cu2O HNF was found to be a good candidate for SERS application.

引用

页码：6055 / 6059

页数：5

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