Research on spectral characteristic of surface plasmon resonance of Ag-TiO<sub>2</sub> thin films

LIU Chao; WANG Fa-mei; Lü Jing-wei; GU Xue-ping; YANG Lin; MU Hai-wei

doi:10.13873/J.1000-9787(2016)03-0016-02

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Research on spectral characteristic of surface plasmon resonance of Ag-TiO₂ thin films

更新时间：2025-09-11

- Research on spectral characteristic of surface plasmon resonance of Ag-TiO₂ thin films
- Vol. 35, Issue 3, Pages: 16-17+21(2016)
- 作者机构：
  
  东北石油大学电子科学学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)03-0016-02
  CLC： TB383.2;TP212
- Published：2016
- 稿件说明：
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[1]刘超,汪发美,吕靖薇,顾雪平,杨琳,牟海维.Ag-TiO_2薄膜表面等离子体共振光谱特性研究[J].传感器与微系统,2016,35(03):16-17+21.

LIU Chao, WANG Fa-mei, Lü Jing-wei, et al. Research on spectral characteristic of surface plasmon resonance of Ag-TiO₂ thin films[J]. 2016, 35(3): 16-17+21.
[1]刘超,汪发美,吕靖薇,顾雪平,杨琳,牟海维.Ag-TiO_2薄膜表面等离子体共振光谱特性研究[J].传感器与微系统,2016,35(03):16-17+21. DOI： 10.13873/J.1000-9787(2016)03-0016-02.

LIU Chao, WANG Fa-mei, Lü Jing-wei, et al. Research on spectral characteristic of surface plasmon resonance of Ag-TiO₂ thin films[J]. 2016, 35(3): 16-17+21. DOI： 10.13873/J.1000-9787(2016)03-0016-02.

摘要

以拓宽Ag膜波长调制型表面等离子体共振（SPR）传感器的工作波长区间

将Ti O

膜沉积于Ag膜表面制成Ag-Ti O

复合薄膜。利用数值计算方法对不同厚度Ag膜和Ag-Ti O

复合膜波长调制型SPR光谱特性进行仿真研究。仿真结果表明:共振吸收峰显著依赖于Ag膜厚度;当保持Ag-Ti O

复合膜厚度60 nm时

复合薄膜SPR波长随Ti O

厚度的增大而向长波长方向移动

发现红移;与60 nm厚Ag膜共振波长相比

12 nm厚Ti O

与48 nm厚Ag组成的复合膜共振波长红移超过200 nm。

Abstract

In order to broaden working wavelength range of surface plasmon resonance（ SPR） sensors based on Ag thin film

deposit Ti O

thin film onto Ag film to fabricate Ag-Ti O

composite thin films. The spectral properties of wavelength modulation type SPR sensor based on Ag thin films and Ag-Ti O

composite thin films are simulation researched by means of numerical calculation method. The results of the simulation show that the resonance absorbing peaks of wavelength modulation type SPR remarkably depend on Ag film thickness. When the thickness of the composite film is kept at a constant thickness of 60 nm

the resonant wa

velength increases with increasing thickness of Ti O

thin films

red-shift occur; wavelength red-shift range can be up to over 200 nm for Ag-Ti O

composite films with a thickness of Ti O

film12 nm and Ag film 48 nm.

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references

Theoretical investigations for surface plasmon resonance based optical fiber tip sensor [J] . Yinquan Yuan,Die Hu,Li Hua,Min Li. Sensors & Actuators: B. Chemical . 2013

Surface plasmon resonance based fiber optic sensor with double resonance dips [J] . Navneet K. Sharma,Mahima Rani,Vivek Sajal. Sensors & Actuators: B. Chemical . 2013

Optimization of gold-nanoparticle-based optical fibre surface plasmon resonance （SPR）-based sensors [J] . M.H. Tu,T. Sun,K.T.V. Grattan. Sensors & Actuators: B. Chemical . 2012 (1)

High-resolution refractive index sensing by means of a multiple-peak surface plasmon resonance optical fiber sensor [J] . David Monzón-Hernández,Joel Villatoro. Sensors & Actuators: B. Chemical . 2005 (1)

Surface plasmon resonance: principles, methods and applications in biomedical sciences [J] . Patrick Englebienne,Anne Van Hoonacker,Michel Verhas. Spectroscopy . 2003 (2,3)

Surface plasmon resonance sensor based on a single-mode polarization-maintaining optical fiber [J] . Sensors & Actuators: B. Chemical . 2003 (1)

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Research on spectral characteristic of surface plasmon resonance of Ag-TiO2 thin films

DOI：10.13873/J.1000-9787(2016)03-0016-02

摘要

Abstract

关键词

Keywords

references

Research on spectral characteristic of surface plasmon resonance of Ag-TiO₂ thin films