Controllable SERS performance for the flexible paper-like films of reduced graphene oxide

被引：45
作者：
Yan, Taotao [1 ]
Zhang, Lili [1 ]
Jiang, Tongtong [1 ]
Bai, Zhiman [1 ]
Yu, Xinxin [1 ]
Dai, Peng [1 ]
Wu, Mingzai [1 ]
机构：
[1] Anhui Univ, Sch Phys & Mat Sci, Hefei 230601, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2017年 / 419卷
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Reduced graphene oxide; Surface-enhanced Raman scattering; Thermal reduction; Chemical enhancement; ENHANCED RAMAN-SCATTERING; CHEMICAL ENHANCEMENT; DOPED GRAPHENE; REDUCTION; SPECTROSCOPY; PLATFORM; TEMPERATURE; MOLECULES; CANCER;
D O I：
10.1016/j.apsusc.2017.05.052
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：
paper-like films of reduced graphene oxide with controllable shapes and thickness were prepared via funnel filtration and thermal reduction of graphene oxide (GO), which could work as flexible surface enhanced Raman scattering (SERS) substrates to detect Rhodamine 6G (R6G) molecules. The SERS signal intensity of R6G on annealed films was found to be related with the annealling temperature. The most intense signal was observed for the film obtained at 800 degrees C. While for the sample annealed at 1000 degrees C, no SERS signal could be detected. The underlying mechanism for the difference was discussed. The reported preparation process of flexible rGO paper is simple and cost-effective, which shows great potential in rapid biochemical analysis of agricultural products with irregular surfaces. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：373 / 381
页数：9
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