Silver Nanostructures on Graphene Oxide as the Substrate for Surface-Enhanced Raman Scattering (SERS)

被引：4
|
作者：
Zhang, Ying [1 ,2 ,3 ]
Zhou, Hao [1 ,2 ,3 ]
Shen, Qi [1 ,2 ,3 ]
Shao, Zhouwei [1 ,2 ,3 ]
Xu, Lin [4 ]
Luo, Zhimin [1 ,2 ,3 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Key Lab Radio Frequency & Micronano Elect Jiangsu, Coll Elect & Opt Engn, 9 Wenyuan Rd, Nanjing, Jiangsu, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Coll Microelect, Key Lab Organ Elect & Informat Displays, 9 Wenyuan Rd, Nanjing, Jiangsu, Peoples R China
[3] Nanjing Univ Posts & Telecommun, Jiangsu Key Lab Biosensors, Inst Adv Mat, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, 9 Wenyuan Rd, Nanjing, Jiangsu, Peoples R China
[4] Nanjing Normal Univ, Jiangsu Key Lab New Power Batteries, Jiangsu Collaborat Innovat Ctr Biomed Funct Mat, Sch Chem & Mat Sci, Nanjing, Jiangsu, Peoples R China
来源：
ANALYTICAL LETTERS | 2019年 / 52卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Fouriertransform infrared (FTIR) spectroscopy; graphene oxide (GO); polyamidoamine (PAMAM) dendrimers; rhodamine 6G (R6G); Surface-enhanced Raman scattering (SERS); transmission electron microscopy (TEM); 3D NANOSTAR DIMERS; IN-SITU SYNTHESIS; NANOPARTICLE DIMERS; HYBRID FILMS; FABRICATION; SHAPE; NANOCOMPOSITES; SPECTROSCOPY; FLUORESCENCE; MOLECULES;
D O I：
10.1080/00032719.2018.1548554
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Nanosized surface-enhanced Raman scattering (SERS) substrates fabricated by the controlled growth of metal nanostructures on water-dispersed two-dimensional nanomaterials can open a new avenue for SERS analysis of liquid samples in biological fields. In this work, regular and uniform Ag nanostructures were grown on the surface of graphene oxide (GO) through a microwave-assisted hydrothermal method. Polyamidoamine (PAMAM) dendrimers were assembled on the surface of GO to form GO/PAMAM templates for growing Ag nanostructures, which are primarily comprised of Ag dimers and trimers. The prepared Ag/GO nanocomposites are highly dispersed and stable in aqueous solution and may be used as substrates for enhanced Raman detection of rhodamine 6 G (R6G) in aqueous solution. This special substrate provides high-performance SERS and suppresses R6G fluorescence in aqueous solution and is promising as a nanosized material for the enhanced Raman detection of liquid samples in biological diagnostics.
引用
收藏
页码：1477 / 1486
页数：10
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