Improving surface-enhanced Raman scattering properties of TiO2 nanoparticles by metal Co doping

被引：23

作者：

Yang, Libin ^{[1
]}

Qin, Xiaoyu ^{[1
]}

Gong, Mengdi ^{[1
]}

Jiang, Xin ^{[1
]}

Yang, Ming ^{[1
]}

Li, Xiuling ^{[1
]}

Li, Guangzhi ^{[1
]}

机构：

[1] Jiamusi Univ, Coll Pharm, Jiamusi 154007, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2014年 / 123卷

基金：

黑龙江省自然科学基金;

关键词：

SERS; TiO2; Metal doping; Charge transfer; SERS; MOLECULES; 4-MERCAPTOPYRIDINE; ADSORPTION;

D O I：

10.1016/j.saa.2013.12.087

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

In this paper, pure and different amount Co ions doped TiO2 nanoparticles were synthesized by a sol-hydrothermal method and were served as SERS-active substrate. The effect of metal Co doping on SERS properties of TiO2 nanoparticles was mostly investigated. The results indicate that abundant metal doping energy levels can be formed in the energy gap of TiO2 by an appropriate amount Co ions doping, which can promote the charge transfer from TiO2 to molecule, and subsequently enhance SERS signal of adsorbed molecule on TiO2 substrate, and improve remarkably SERS properties of TiO2 nanoparticles. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：224 / 229

页数：6

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