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http://dx.doi.org/10.3807/KJOP.2018.29.5.215

Localized Surface-Plasmon Resonance of Ag Nanoparticles Produced by Laser Dewetting to Improve the Performance of a Sensitized TiO2 Solar Cell  

Lee, Jeeyoung (Department of Materials Science and Engineering, Yonsei University)
Lee, Myeongkyu (Department of Materials Science and Engineering, Yonsei University)
Publication Information
Korean Journal of Optics and Photonics / v.29, no.5, 2018 , pp. 215-219 More about this Journal
Abstract
In this paper we show that the localized surface-plasmon resonance of Ag nanoparticles produced by laser dewetting can be effectively utilized for improving the photocurrent and efficiency of a dye-sensitized $TiO_2$ solar cell. An Ag thin film deposited on a conducting glass substrate was dewetted into nanoparticles by a pulsed laser. A dye-sensitized $TiO_2$ solar cell fabricated on this substrate containing the Ag nanoparticles exhibited improved photovoltaic performance, compared to a reference cell. This is attributed to the increased light trapping that arises from the localized surface-plasmon resonance of the dewetted Ag nanoparticles.
Keywords
Localized surface plasmon resonance; Ag nanoparticles; Laser dewetting; Dye-sensitized solar cell;
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