Effect of acetic acid in TiCl 4 post-treatment on nanoporous TiO 2 electrode in dye-sensitized solar cell

Soo Kyoung Kim, Min Kyu Son, Jin Kyoung Kim, Byung Man Kim, Na Yeong Hong, Kandasamy Prabakar, Hee Je Kim

Research output: Contribution to journalArticle

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Abstract

Titanium tetrachloride (TiCl 4) is adopted as a post-treatment on the nanoporous titanium oxide (TiO 2) layers to enhance the performance of dyesensitized solar cells (DSCs). A TiCl 4 post-treatment is capable of improving electron transport and dye-loading on the surface of TiO 2 layers. In this study, the TiCl 4 solution mixed with acetic acid was employed to enhance the condition of the TiCl 4 post-treatment. Since acetic acid in the TiCl 4 solution prevents the formation of impurities and facilitates the crystallization, it improves dye adsorption and electron transport properties. To analyze the performance of the cell, we measured X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) surface measurements, UV-vis spectroscopy and electrochemical impedance spectroscopy (EIS) and photocurrent-voltage (I-V) measurements.

Original languageEnglish
Article number09MA05
JournalJapanese journal of applied physics
Volume51
Issue number9 PART3
DOIs
Publication statusPublished - Sep 1 2012

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acetic acid
Acetic acid
Dyes
solar cells
dyes
Electron transport properties
Electrodes
electrodes
Titanium oxides
Surface measurement
Ultraviolet spectroscopy
Photocurrents
Electrochemical impedance spectroscopy
tetrachlorides
Solar cells
Titanium
Crystallization
Impurities
Adsorption
titanium oxides

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Effect of acetic acid in TiCl 4 post-treatment on nanoporous TiO 2 electrode in dye-sensitized solar cell. / Kim, Soo Kyoung; Son, Min Kyu; Kim, Jin Kyoung; Kim, Byung Man; Hong, Na Yeong; Prabakar, Kandasamy; Kim, Hee Je.

In: Japanese journal of applied physics, Vol. 51, No. 9 PART3, 09MA05, 01.09.2012.

Research output: Contribution to journalArticle

Kim, Soo Kyoung ; Son, Min Kyu ; Kim, Jin Kyoung ; Kim, Byung Man ; Hong, Na Yeong ; Prabakar, Kandasamy ; Kim, Hee Je. / Effect of acetic acid in TiCl 4 post-treatment on nanoporous TiO 2 electrode in dye-sensitized solar cell. In: Japanese journal of applied physics. 2012 ; Vol. 51, No. 9 PART3.
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AU - Prabakar, Kandasamy

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