Fabrication of Sensitive Graphene Oxide Decorated Silver Nanodendrites as SERS Substrate

被引：2
|
作者：
Garg, Preeti [1 ,2 ]
Soni, R. K. [2 ]
Raman, R. [1 ]
机构：
[1] Solid State Phys Lab, Lucknow Rd, Delhi 110054, India
[2] Indian Inst Technol Delhi, Dept Phys, New Delhi 110016, India
来源：
3RD INTERNATIONAL CONFERENCE ON CONDENSED MATTER & APPLIED PHYSICS (ICC-2019) | 2020年 / 2220卷
关键词：
D O I：
10.1063/5.0001682
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present fabrication of a low-cost surface enhanced Raman scattering (SERS) substrate. A composite graphene oxide (GO) decorated Ag nanodendrites (AgNDs) on the copper substrate has been prepared using a simple galvanic replacement of silver nitrate solution over copper foil and further spin coating it with GO. Graphene oxide serves as a protecting thin layer, avoiding the oxidation of AgNDs for highly sensitive and stable SERS applications. The sensitive SERS detection of Methylene blue (MB) is achieved as low as 10(-7) M on rGO/AgNDs and 10(-6) M on bare AgNDs.
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页数：4
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