SERS effect on the presence and absence of rGO for Ag@Cu2O core-shell

被引：19
作者：
Chen, Lei [1 ,2 ]
Guo, Shuang [1 ]
Dong, Lirong [1 ]
Zhang, Fan [1 ]
Gao, Renxian [1 ]
Liu, Yang [1 ]
Wang, Yaxin [1 ]
Zhang, Yongjun [1 ]
机构：
[1] Jilin Normal Univ, Minist Educ, Key Lab Funct Mat Phys & Chem, Changchun 130103, Jilin, Peoples R China
[2] Jilin Normal Univ, Coll Chem, Siping 136000, Peoples R China
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2019年 / 91卷
基金：
中国国家自然科学基金;
关键词：
SEAS; rGO platform; Ag@Cu2O core-shell; SURFACE-ENHANCED RAMAN; REDUCED GRAPHENE OXIDE; CHARGE-TRANSFER; VISIBLE-LIGHT; SCATTERING; SILVER;
D O I：
10.1016/j.mssp.2018.11.038
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Graphene nanosheets have been widely used to study the surface-enhanced Raman scattering (SERS) enhancement mechanism. However, the effect of graphene on the field distribution in specific nanocomposite structures was unclear. Therefore, it is important to study the effect of reduced graphene oxide (rGO) in metal semiconductor core-shell structures based on SEAS. The enhancement factors (EF) was changed significantly in the presence and absence of the rGO substrate with the green and red laser excitations. Experimental and theoretical simulations results demonstrate that rGO platform plays an important role in enhancing SEAS activity of single Ag@Cu2O core-shell particles. This research with respect to rGO-based SEAS substrates will expand the basic theoretical research of nanomaterials and provide a theoretical basis for optoelectronic research.
引用
收藏
页码：290 / 295
页数：6
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