Graphene oxide shell-isolated Ag nanoparticles for surface-enhanced Raman scattering

被引：88
|
作者：
Chen, Shaona [1 ]
Li, Xin [1 ,2 ]
Zhao, Yuanyuan [3 ]
Chang, Limin [3 ]
Qi, Jingyao [4 ]
机构：
[1] Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China
[2] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
[3] Jilin Normal Univ, Coll Chem, Key Lab Preparat & Applicat Environm Friendly Mat, Minist Educ, Siping 136000, Peoples R China
[4] Harbin Inst Technol, Sch Municipal & Environm Engn, Harbin 150090, Peoples R China
来源：
CARBON | 2015年 / 81卷
基金：
中国国家自然科学基金;
关键词：
SILVER NANOPARTICLES; ULTRASENSITIVE DETECTION; AROMATIC-MOLECULES; SINGLE MOLECULES; LAYER GRAPHENE; SPECTROSCOPY; NANOSTRUCTURES; FABRICATION; SUBSTRATE; PLATFORM;
D O I：
10.1016/j.carbon.2014.10.021
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：
An efficient surface enhanced Raman scattering (SERS) substrate has been developed based on Ag nanoparticle-decorated graphene oxide (GO). The structure of Ag@GO hybrid material was confirmed by X-ray diffraction, transmission and scanning electron microscopy. The as-prepared substrate exhibited the enhancement ability of SERS toward various aromatic dyes, such as Rhodamine 6C, Rhodamine B, and crystal violet. The enhanced Raman signals could be due to the presence of an ultrathin GO shell with 2.8 nm in thickness. In particular, the GO shell could efficient to maintain chemical and optical stability, and improved biocompatibility for this SERS-activity material. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：767 / 772
页数：6
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