Formation of crystalline-oriented titania thin films on ITO glass electrodes by EPD in a strong magnetic field

Mamiko Kawakita, Tetsuo Uchikoshi, Laxmidhar Besra, Tohru Suzuki, Jin Kawakita, Yoshio Sakka

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Crystal-oriented and crack-free thin TiO 2 films with a good interfacial adhesion on indium-tin oxide (ITO) glass substrates for photoelectrodes were fabricated by the electrophoretic deposition (EPD) method in a 12 T strong magnetic field. A binder-free suspension for the EPD was prepared by dispersing TiO 2 in the mixture of 2-propanol and 2,4-pentanedione. The electrophoretic mobility and the sedimentation rate were measured at various ratios of the mixed solution. The optimized state of the suspension exhibiting the highest surface charge potential and producing deposits with the highest green density was obtained at the 50:50 mixing ratio. The TiO 2 films were characterized by XRD and SEM analyses. The photo-current measurement was also conducted to investigate the relation between the photo-anode characteristics of a dye-sensitized solar cell and the plane orientation of the TiO2 films.

Original languageEnglish
Pages (from-to)143-148
Number of pages6
JournalKey Engineering Materials
Volume412
DOIs
Publication statusPublished - 2009 Aug 18
Externally publishedYes

Fingerprint

ITO glass
Titanium
Magnetic fields
Crystalline materials
Thin films
Electrodes
Suspensions
Electrophoretic mobility
2-Propanol
Propanol
Electric current measurement
Surface charge
Sedimentation
Binders
Anodes
Adhesion
Deposits
Cracks
Crystals
Scanning electron microscopy

Keywords

  • Anatase
  • Dye-sensitized solar cell (DSSC)
  • Electrophoretic deposition
  • Magnetic field
  • Orientation
  • Photo-anode
  • Solar cell
  • Titanium dioxide

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Formation of crystalline-oriented titania thin films on ITO glass electrodes by EPD in a strong magnetic field. / Kawakita, Mamiko; Uchikoshi, Tetsuo; Besra, Laxmidhar; Suzuki, Tohru; Kawakita, Jin; Sakka, Yoshio.

In: Key Engineering Materials, Vol. 412, 18.08.2009, p. 143-148.

Research output: Contribution to journalArticle

Kawakita, Mamiko ; Uchikoshi, Tetsuo ; Besra, Laxmidhar ; Suzuki, Tohru ; Kawakita, Jin ; Sakka, Yoshio. / Formation of crystalline-oriented titania thin films on ITO glass electrodes by EPD in a strong magnetic field. In: Key Engineering Materials. 2009 ; Vol. 412. pp. 143-148.
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