Some Properties of TiO2/Au Nanocomposite Thin Films Produced by Spincoating Method for Application in Plasmonic Solar Cells

Nguyen Duy Thien, Nguyen Tien Thanh, Nguyen Tien Thuy, Le Van Vu, Dao Khac An

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Published Jun 15, 2015

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THIEN, Nguyen Duy et al. Some Properties of TiO2/Au Nanocomposite Thin Films Produced by Spincoating Method for Application in Plasmonic Solar Cells. VNU Journal of Science: Mathematics - Physics, [S.l.], v. 31, n. 2, june 2015. ISSN 2588-1124. Available at: <https://js.vnu.edu.vn/MaP/article/view/107>. Date accessed: 19 apr. 2024.
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Vol 31 No 2
Section
Review Article

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Abstract

The TiO2/Au nanocomposite thin films play a very important role in the plasmonic solar cell. In such as composite systems, the localized surface plasmon resonance (LSPR) of embedded metal nanoparticles determines the light absorption enhancement of the semiconductive part (TiO2); hence, enhances the efficiency of the plasmatic solar cell. The characterizations of the TiO2/Au nanocomposite thin films – such as light absorption, scattering and LSPR capacities - depend on many parameters: sizes, weight ratio of metal nanoparticles, thickness of the thin film layers and the arrangements of TiO2/Au composite in integrated-matrix system. In this work, we outline the preparation method of the TiO2/Au nanocomposite thin films, then we investigate the effect of technological conditions – such as TiO2/Au mixture solution concentration, TiO2/Au weight ratio and number of spin-coating layers – to the surface morphology of the nanocomposite to find out the optimum fabrication conditions. Some experimental results of thin film such as structural property (X ray diffraction, thin film morforlogy…) and optical property (absorption coefficience concerning LSPR…) will also be shown and discussed.

Keywords: TiO2/Au thin film, LSPR, plasmonic solar cell.

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