Optimization of titania thickness of dye-sensitized solar cell(DSC) utilizing patterning with electrostatically-injected droplet (PELID) method

Kyousuke Kosugi, Yuki Shimoyama, Shinjiro Umezu, Yoshihito Kunugi, Hitoshi Ohmorri

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Solar cell is one of the key technologies in this century because this has possibility to clear energy problems. In this paper, we tried to pattern titania layer of dye-sensitized solar cell DSC utilizing PELID method. The PELID method is an inkjet fabrication method. The PELID method has good merit; that is ability to eject highly viscous liquid. We applied the merit for patterning titania paste on FTO (Fluorine-doped Tin Oxide) glass. The thickness of titania layer was controlled by the time to print. DSC is composed of electrolyte that is sandwiched between FTO glass and Pt electrode. Titania and N3 are patterned on FTO glass. The efficiency is not so high. The main purpose of the study is to improve the efficiency. The fabrication process of the DSC was simple. Titania paste was patterned on FTO glass utilizing doctor blade. The patterned paste was dried and sintered. The thickness of the layer was controlled by the spacer between the doctor blade and the glass. In the former study, the thickness was not changed, however it is essential to determine the thickness to achieve the highest efficiency. Because best thickness will be changed by the chemical characteristics of titania, new fabrication method that can change the thickness easily should be developed. We developed the PELID method. In this paper, we have optimized of titania layer by controlling the coating time and profile utilizing PELID method. We have demonstrated that optimizing titania layer by PELID method is possible to improve the efficiency of the DSC.

Original languageEnglish
Title of host publicationNIP 2013
Subtitle of host publication29th International Conference on Digital Printing Technologies and Digital Fabrication 2013
Pages36-39
Number of pages4
Publication statusPublished - 2013 Dec 1
Event29th International Conference on Digital Printing Technologies, NIP 2013 and Digital Fabrication 2013 - Seattle, WA, United States
Duration: 2013 Sep 292013 Oct 3

Publication series

NameInternational Conference on Digital Printing Technologies
ISSN (Print)2169-4362
ISSN (Electronic)2169-4451

Conference

Conference29th International Conference on Digital Printing Technologies, NIP 2013 and Digital Fabrication 2013
CountryUnited States
CitySeattle, WA
Period13/9/2913/10/3

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ASJC Scopus subject areas

  • Media Technology
  • Computer Science Applications

Cite this

Kosugi, K., Shimoyama, Y., Umezu, S., Kunugi, Y., & Ohmorri, H. (2013). Optimization of titania thickness of dye-sensitized solar cell(DSC) utilizing patterning with electrostatically-injected droplet (PELID) method. In NIP 2013: 29th International Conference on Digital Printing Technologies and Digital Fabrication 2013 (pp. 36-39). (International Conference on Digital Printing Technologies).