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J. Electrochem. Sci. Technol > Volume 2(2); 2011 > Article
Journal of Electrochemical Science and Technology 2011;2(2):68-75.
DOI: https://doi.org/10.5229/JECST.2011.2.2.068   
Blocking Layers Deposited on TCO Substrate and Their Effects on Photovoltaic Properties in Dye-Sensitized Solar Cells
Beom-Hin Yoo, Kyung-Kon Kim, Doh-Kwon Lee, Hong-Gon Kim, Bong-Soo Kim, Nam-Gyu Park, Min-Jae Ko
Solar Cell Research Center, Korea Institute of Science and Technology;Solar Cell Research Center, Korea Institute of Science and Technology;Solar Cell Research Center, Korea Institute of Science and Technology;Solar Cell Research Center, Korea Institute of Science and Technology;Solar Cell Research Center, Korea Institute of Science and Technology;School of chemical Engineering, Sungkyunkwan University;Solar Cell Research Center, Korea Institute of Science and Technology;
Abstract
In this review, we have investigated the effect of $TiO_2$-based blocking layers (t-BLs), deposited on a transparent conductive oxide (TCO)-coated glass substrate, on the photovoltaic performance of dye-sensitized solar cells (DSSCs). The t-BL was deposited using spin-coating or sputtering technique, and its thicknesses were varied to study the influence of the thin $TiO_2$ layer in between transparent conducting glass and nanocrystalline $TiO_2$ (nc-$TiO_2$). The DSSC with the t-BL showed the improved adhesion and the suppressed charge recombination at a TCO glass substrate than those without the t-BL, which led to the higher conversion efficiency.
Key Words: Dye-sensitized solar cell, Blocking layers, Transparent conducting oxides, Charge recombination, Adhesion properties


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