The effect of TiO2 phase on the surface plasmon resonance of silver thin film

Ruijin Hong; Ming Jing; Chunxian Tao; Dawei Zhang

doi:10.1117/12.2246726

19 October 2016 The effect of TiO₂phase on the surface plasmon resonance of silver thin film

Ruijin Hong, Ming Jing, Chunxian Tao, Dawei Zhang

Proceedings Volume 10154, Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation; 1015417 (2016) https://doi.org/10.1117/12.2246726
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

A series of silver films with various thicknesses were deposited on TiO₂ covered silica substrates by magnetron sputtering at room temperature. The effects of TiO₂ phase on the structure, optical properties and surface plasmon resonance of silver thin films were investigated by x-ray diffraction, optical absorption and Raman scattering measurements, respectively. By adjusting the silver layer thickness, the resonance wavelength shows a redshift, which is due to a change in the electromagnetic field coupling strength from the localized surface plasmons excited between the silver thin film and TiO₂ layer. Raman scattering measurement results showed that optical absorption plays an important role in surface plasmon enhancement, which is also related to different crystal phase.

Citation Download Citation

Ruijin Hong, Ming Jing, Chunxian Tao, and Dawei Zhang "The effect of TiO₂phase on the surface plasmon resonance of silver thin film", Proc. SPIE 10154, Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation, 1015417 (19 October 2016); https://doi.org/10.1117/12.2246726

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