Electrodeposition of large size gold nanoparticles on indium tin oxide glass and application as refractive index sensor

被引：66
|
作者：
Wang, Yuan [1 ]
Deng, Jiajia [1 ]
Di, Junwei [1 ]
Tu, Yifeng [1 ]
机构：
[1] Soochow Univ, Dept Chem, Suzhou 215123, Jiangsu, Peoples R China
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2009年 / 11卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Gold nanoparticles; Indium tin oxide; Electrochemical deposition; Refractive index; Sensor; SURFACE-PLASMON RESONANCE; FILM COATED GLASS; SILVER NANOPARTICLES; AU NANOPARTICLES; BIOSENSOR; SENSITIVITY; DEPENDENCE; SOLVENT; LSPR;
D O I：
10.1016/j.elecom.2009.03.005
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Large size gold nanoparticles (GNPs) were directly deposited onto the indium tin oxide (ITO) glass surface by cyclic voltammetric method. The GNPs on ITO substrate were characterized by means of scanning electron microscopy (SEM), UV-vis spectroscopy and X-ray diffraction (XRD). The nucleation and growth steps were controllable in the GNPs deposition procedure. The addition of chloride ion in the electrolysis affected the size and density of GNPs on the ITO surface. The response of refractive index for various organic solvents was also investigated. The sensitivity of refractive index increased as GNPs became larger. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1034 / 1037
页数：4
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