Articles
  • Effect of TiO2 photoelectrode thickness on the performance of dye-sensitized solar cells

  • Woon-Yong Parka and Ki-Tae Leea,b,c,*

  • aDivision of Advanced Materials Engineering, Jeonbuk National University, Jeonbuk 54896, Republic of Korea
    bDepartment of Energy Storage/Conversion Engineering of Graduate School, Jeonbuk National University, Jeonbuk 54896, Republic of Korea
    cHydrogen and Fuel Cell Research Center, Jeonbuk National University, Jeonbuk 54896, Republic of Korea

  • This article is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

TiO2 photoelectrodes for dye-sensitized solar cells (DSSCs) were fabricated by changing the thickness using screen printing method. The amount of dye adsorbed on TiO2 increases as the thickness of the TiO2 photoelectrode increases because of the increase in the dye molecule adsorption site. The performance of DSSCs increases up to a TiO2 thickness of approximately 12 μm, indicating a tendency of dye adsorption that enables photocurrent generation. However, when TiO2 is thicker than 12 μm, the TiO2 films start to break, resulting in a decrease in the performance. The optimum thickness of the TiO2 photoelectrode was 12 μm, which has a low charge transfer resistance


Keywords: dye-sensitized solar cells, photoelectrode, TiO2, screen printing, dye adsorption

This Article

  • 2021; 22(5): 584-589

    Published on Oct 31, 2021

  • 10.36410/jcpr.2021.22.5.584
  • Received on May 7, 2021
  • Revised on Jul 5, 2021
  • Accepted on Jul 17, 2021

Correspondence to

  • Ki-Tae Lee

  • aDivision of Advanced Materials Engineering, Jeonbuk National University, Jeonbuk 54896, Republic of Korea
    bDepartment of Energy Storage/Conversion Engineering of Graduate School, Jeonbuk National University, Jeonbuk 54896, Republic of Korea
    cHydrogen and Fuel Cell Research Center, Jeonbuk National University, Jeonbuk 54896, Republic of Korea
    Tel : +82-63-270-2290 Fax: +82-63-270-2386

  • E-mail: ktlee71@jbnu.ac.kr