Characterization of a composite film prepared by deposition of TiO 2 on porous Si

Kang Jin Kim, Gyu Sang Kim, Jin Sup Hong, Tae Sik Kang, Donghwan Kim

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

TiO 2 thin films were prepared on electrochemically etched porous Si by anodic oxidative hydrolysis of TiCl 3 for the purpose of solar cell application. We compared electrochemical and photoelectrochemical properties of the TiO 2-deposited porous Si electrodes (TiO 2/porous Si) with those of a porous Si electrode. The TiO 2/porous Si showed prolonged stability of photoluminescence and enhancements of photovoltage and photocurrent by 0.13 V and 67% increase, respectively, in comparison with porous Si due to the reduction of surface traps for charge carriers in the presence of TiO 2 thin layer. Li + and Na + ions exhibited intercalation and deintercalation through the electrodeposited TiO 2 film.

Original languageEnglish
Pages (from-to)61-66
Number of pages6
JournalSolar Energy
Volume64
Issue number1-3
DOIs
Publication statusPublished - 1998 Sep 1

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Composite films
Electrodes
Intercalation
Charge carriers
Photocurrents
Hydrolysis
Solar cells
Photoluminescence
Ions
Thin films

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films

Cite this

Characterization of a composite film prepared by deposition of TiO 2 on porous Si. / Kim, Kang Jin; Kim, Gyu Sang; Hong, Jin Sup; Kang, Tae Sik; Kim, Donghwan.

In: Solar Energy, Vol. 64, No. 1-3, 01.09.1998, p. 61-66.

Research output: Contribution to journalArticle

Kim, Kang Jin ; Kim, Gyu Sang ; Hong, Jin Sup ; Kang, Tae Sik ; Kim, Donghwan. / Characterization of a composite film prepared by deposition of TiO 2 on porous Si. In: Solar Energy. 1998 ; Vol. 64, No. 1-3. pp. 61-66.
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