Effect of titanium oxide compact layer in dye-sensitized solar cell prepared by liquid-phase deposition

Jung Jie Huang, Shih Ping Chiu, Menq-Jiun Wu, Chun Fa Hsu

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In this study, titanium dioxide films were deposited on indium tin oxide glass substrates by liquid-phase deposition (LPD) for application as the compact layer in dye-sensitized solar cells (DSSCs). A deposition solution of ammonium hexafluorotitanate and boric acid was used for TiO 2 deposition. Compact layer passivation can improve DSSC performance by decreasing carrier losses from recombination at the ITO/electrolyte interface and improving the electrical contact between the ITO and the TiO 2 photo-electrode. The optimum thickness of the compact layer was found to be 48 nm, which resulted in a 50 % increase in the conversion efficiency compared with cells without compact layers. The conversion efficiency can be increased from 3.55 to 5.26 %. Therefore, the LPD-TiO 2 compact layer inhibits the dark current and increases the short-circuit current density effectively.

Original languageEnglish
Article number971
JournalApplied Physics A: Materials Science and Processing
Volume122
Issue number11
DOIs
Publication statusPublished - 2016 Nov 1

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Titanium oxides
Liquids
Conversion efficiency
ITO glass
Boric acid
Dark currents
Ammonium Compounds
Passivation
Short circuit currents
Titanium dioxide
Electrolytes
Current density
Electrodes
Dye-sensitized solar cells
titanium dioxide
Substrates

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

Cite this

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abstract = "In this study, titanium dioxide films were deposited on indium tin oxide glass substrates by liquid-phase deposition (LPD) for application as the compact layer in dye-sensitized solar cells (DSSCs). A deposition solution of ammonium hexafluorotitanate and boric acid was used for TiO 2 deposition. Compact layer passivation can improve DSSC performance by decreasing carrier losses from recombination at the ITO/electrolyte interface and improving the electrical contact between the ITO and the TiO 2 photo-electrode. The optimum thickness of the compact layer was found to be 48 nm, which resulted in a 50 {\%} increase in the conversion efficiency compared with cells without compact layers. The conversion efficiency can be increased from 3.55 to 5.26 {\%}. Therefore, the LPD-TiO 2 compact layer inhibits the dark current and increases the short-circuit current density effectively.",
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Effect of titanium oxide compact layer in dye-sensitized solar cell prepared by liquid-phase deposition. / Huang, Jung Jie; Chiu, Shih Ping; Wu, Menq-Jiun; Hsu, Chun Fa.

In: Applied Physics A: Materials Science and Processing, Vol. 122, No. 11, 971, 01.11.2016.

Research output: Contribution to journalArticle

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