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Title: “Rings of saturn-like” nanoarrays with high number density of hot spots for surface-enhanced Raman scattering

Abstract

The Ag nanoparticles (NPs) surrounding triangular nanoarrays (TNAs) with high number density of surface-enhanced Raman scattering (SERS) hot spots (SERS hot spots ring) are prepared by a combination of NPs deposition and subsequent colloid lithography processing. Owing to the SERS hot spots ring, the Ag NPs surrounding TNAs have been proved an excellent candidate for ultrasensitive molecular sensing for their high SERS signal enhancing capacity in experiments and theories. The Ag NPs surrounding TNAs can be readily used for the quick detection of low concentrations of molecules related to food safety; herein, detection of melamine is discussed.

Authors:
; ; ; ; ; ; ;  [1];  [1];  [2];  [1];  [3]; ;  [4]
  1. Department of Physics, Hubei Nuclear Solid Physics Key Laboratory and Center for Ion Beam Application, Wuhan University, Wuhan 430072 (China)
  2. (China)
  3. (United States)
  4. College of Chemistry and Molecular Science, Wuhan University, Wuhan 430072 (China)
Publication Date:
OSTI Identifier:
22311172
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 105; Journal Issue: 3; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; CAPACITY; COLLOIDS; DENSITY; DEPOSITION; DETECTION; HOT SPOTS; MELAMINE; MOLECULES; NANOPARTICLES; NANOSTRUCTURES; RAMAN EFFECT; SCATTERING; SILVER; SURFACES

Citation Formats

Dai, Zhigao, Liao, Lei, Wu, Wei, Guo, Shishang, Zhao, Xinyue, Li, Wei, Ren, Feng, Jiang, Changzhong, E-mail: xxh@whu.edu.cn, E-mail: czjiang@whu.edu.cn, Mei, Fei, School of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan 430068, Xiao, Xiangheng, E-mail: xxh@whu.edu.cn, E-mail: czjiang@whu.edu.cn, Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, Fu, Lei, and Wang, Jiao. “Rings of saturn-like” nanoarrays with high number density of hot spots for surface-enhanced Raman scattering. United States: N. p., 2014. Web. doi:10.1063/1.4891533.
Dai, Zhigao, Liao, Lei, Wu, Wei, Guo, Shishang, Zhao, Xinyue, Li, Wei, Ren, Feng, Jiang, Changzhong, E-mail: xxh@whu.edu.cn, E-mail: czjiang@whu.edu.cn, Mei, Fei, School of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan 430068, Xiao, Xiangheng, E-mail: xxh@whu.edu.cn, E-mail: czjiang@whu.edu.cn, Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, Fu, Lei, & Wang, Jiao. “Rings of saturn-like” nanoarrays with high number density of hot spots for surface-enhanced Raman scattering. United States. doi:10.1063/1.4891533.
Dai, Zhigao, Liao, Lei, Wu, Wei, Guo, Shishang, Zhao, Xinyue, Li, Wei, Ren, Feng, Jiang, Changzhong, E-mail: xxh@whu.edu.cn, E-mail: czjiang@whu.edu.cn, Mei, Fei, School of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan 430068, Xiao, Xiangheng, E-mail: xxh@whu.edu.cn, E-mail: czjiang@whu.edu.cn, Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, Fu, Lei, and Wang, Jiao. Mon . "“Rings of saturn-like” nanoarrays with high number density of hot spots for surface-enhanced Raman scattering". United States. doi:10.1063/1.4891533.
@article{osti_22311172,
title = {“Rings of saturn-like” nanoarrays with high number density of hot spots for surface-enhanced Raman scattering},
author = {Dai, Zhigao and Liao, Lei and Wu, Wei and Guo, Shishang and Zhao, Xinyue and Li, Wei and Ren, Feng and Jiang, Changzhong, E-mail: xxh@whu.edu.cn, E-mail: czjiang@whu.edu.cn and Mei, Fei and School of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan 430068 and Xiao, Xiangheng, E-mail: xxh@whu.edu.cn, E-mail: czjiang@whu.edu.cn and Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095 and Fu, Lei and Wang, Jiao},
abstractNote = {The Ag nanoparticles (NPs) surrounding triangular nanoarrays (TNAs) with high number density of surface-enhanced Raman scattering (SERS) hot spots (SERS hot spots ring) are prepared by a combination of NPs deposition and subsequent colloid lithography processing. Owing to the SERS hot spots ring, the Ag NPs surrounding TNAs have been proved an excellent candidate for ultrasensitive molecular sensing for their high SERS signal enhancing capacity in experiments and theories. The Ag NPs surrounding TNAs can be readily used for the quick detection of low concentrations of molecules related to food safety; herein, detection of melamine is discussed.},
doi = {10.1063/1.4891533},
journal = {Applied Physics Letters},
number = 3,
volume = 105,
place = {United States},
year = {Mon Jul 21 00:00:00 EDT 2014},
month = {Mon Jul 21 00:00:00 EDT 2014}
}