Enhancement of the Efficiency of Dye-Sensitized Solar Cells (DSSC) by Utilizing Silver Plasmonic Nanoparticles on Hydrothermally-Treated Titania (TiO2) Photoanode

Daniel Angelo C. Camacho; Jenrry T. Daulo

doi:10.4028/www.scientific.net/AMR.970.224

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Enhancement of the Efficiency of Dye-Sensitized Solar Cells (DSSC) by Utilizing Silver Plasmonic Nanoparticles on Hydrothermally-Treated Titania (TiO₂) Photoanode
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 970Enhancement of the Efficiency of Dye-Sensitized...

Enhancement of the Efficiency of Dye-Sensitized Solar Cells (DSSC) by Utilizing Silver Plasmonic Nanoparticles on Hydrothermally-Treated Titania (TiO₂) Photoanode

Abstract:

Titanium dioxide (TiO₂) has been long used as a photoanode for dye-sensitized solar cells (DSSC) for its high photoreductive capability. One approach towards increasing the performance of TiO₂ is to load silver nanoparticles (Ag NP) unto the substrate. In this study, hydrothermal treatment of as-received TiO₂ anatase was utilized to fabricate nanostructures that could increase the overall efficiency of DSSC. This hydrothermally-treated TiO₂ was loaded with Ag NP via the photodegration of silver nitrate (AgNO₃). Characterization of Ag-loaded TiO2 (Ag-TiO2), done using Raman Spectroscopy and Field Emission Scanning Electron Microscopy (FESEM), reveal the anatase characteristic of the samples after hydrothermal treatment, as well as the crystalline structure transformation from tetragonal to monoclinic. Furthermore, upon application of the produced TiO₂ samples in DSSC, photovoltaic characteristics were obtained. There was an increase in the current density of all of the Ag-TiO₂ samples as compared to the untreated TiO₂ sample. The DSSC produced using 0.20 Ag-TiO₂ ratio exhibited the highest conversion efficiency, resulting to more than 3000% increase in conversion efficiency from the untreated TiO₂ sample.

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Periodical:

Advanced Materials Research (Volume 970)

Pages:

224-227

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.970.224

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Online since:

June 2014

Authors:

Daniel Angelo C. Camacho, Jenrry T. Daulo*

Keywords:

Dye-Sensitized Solar Cell, Plasmon Enhanced Absorption, Silver Nanoparticle, Titania Nanotubes

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