Facile synthesis of TiO2 inverse opal electrodes for dye-sensitized solar cells

Ju Hwan Shin, Ji Hwan Kang, Woo Min Jin, Jong Hyeok Park, Young Sang Cho, Jun Hyuk Moon

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Engineering of TiO2 electrode layers is critical to guaranteeing the photoconversion efficiency of dye-sensitized solar cells (DSSCs). Recently, a novel approach has been introduced for producing TiO2 electrodes using the inverted structures of colloidal crystals. This paper describes a facile route to producing ordered macroporous electrodes from colloidal crystal templates for DSSCs. Using concentrated colloids dispersed in a volatile medium, the colloidal crystal templates were obtained within a few minutes, and the thickness of the template was easily controlled by changing the quantity of colloidal solution deposited. Here, the effects of the structural properties of the inverse opal TiO2 electrodes on the photovoltaic parameters of DSSCs were investigated. The photovoltaic parameters were measured as a function of pore ordering and electrode film thickness. Moreover, DSSC applications that used either liquid or viscous polymer electrolyte solutions were investigated to reveal the effects of pore size on performance of an inverse opal TiO 2 electrode.

Original languageEnglish
Pages (from-to)856-860
Number of pages5
JournalLangmuir
Volume27
Issue number2
DOIs
Publication statusPublished - 2011 Jan 18

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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    Shin, J. H., Kang, J. H., Jin, W. M., Park, J. H., Cho, Y. S., & Moon, J. H. (2011). Facile synthesis of TiO2 inverse opal electrodes for dye-sensitized solar cells. Langmuir, 27(2), 856-860. https://doi.org/10.1021/la104512c