Tunable surface plasmon resonance frequency of Au-Ag bimetallic asymmetric structure thin films in the UV and IR region

Ruijin Hong; Jialin Ji; Chunxian Tao; Dawei Zhang

doi:10.1117/12.2246735

19 October 2016 Tunable surface plasmon resonance frequency of Au-Ag bimetallic asymmetric structure thin films in the UV and IR region

Ruijin Hong, Jialin Ji, Chunxian Tao, Dawei Zhang

Author Affiliations +

Proceedings Volume 10154, Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation; 1015418 (2016) https://doi.org/10.1117/12.2246735
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Au/ZnO/Ag sandwich structure films were fabricated by DC magnetron sputter at room temperature. The tunability of the surface plasmon resonance wavelength was realized by varying the thickness of ZnO thin film. The effects of ZnO layer on the optical properties of Au/ZnO/Au thin films were investigated by optical absorption and Raman scattering measurements. It has been found that both the surface plasmon resonance frequency and SERS can be controlled by adjusting the thickness of ZnO layer due to the coupling of metal and semiconductor.

Citation Download Citation

Ruijin Hong, Jialin Ji, Chunxian Tao, and Dawei Zhang "Tunable surface plasmon resonance frequency of Au-Ag bimetallic asymmetric structure thin films in the UV and IR region", Proc. SPIE 10154, Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation, 1015418 (19 October 2016); https://doi.org/10.1117/12.2246735

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