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10 September 2014 Plasmon-enhanced optical properties of Au/TiO2 core-shell nanowires studied by finite difference time domain calculation
Jubok Lee, Sun-Hee Lee, Min Su Kim, Hyungjung Shin, Jeongyong Kim
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Proceedings Volume 9161, Nanophotonic Materials XI; 916109 (2014) https://doi.org/10.1117/12.2063366
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States
Abstract
We performed Finite Difference Time Domain (FDTD) calculation to investigate the enhancement of optical properties such as light scattering and absorption of Au-hybridized TiO2 core-shell structures which can lead to the improvement of photocatalytic and solar cell performance. The results showed that by hybridization of Au as core and TiO2 as shell provides the significant enhancement of light scattering and absorption. Furthermore, the tuning of scattering resonance wavelength may be achieved by varying the diameter of Au core. Our result suggests that hybridization Au and TiO2, with proper introduction of interband states in TiO2, can increase and color-tune the photocatalytic efficiency and solar cell performance of TiO2 nanostructures.
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Jubok Lee, Sun-Hee Lee, Min Su Kim, Hyungjung Shin, and Jeongyong Kim "Plasmon-enhanced optical properties of Au/TiO2 core-shell nanowires studied by finite difference time domain calculation", Proc. SPIE 9161, Nanophotonic Materials XI, 916109 (10 September 2014); https://doi.org/10.1117/12.2063366
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KEYWORDS
Gold
Scattering
Titanium dioxide
Absorption
Nanostructures
Finite-difference time-domain method
Light scattering
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