UV treatment effect on TiO2 electrodes in dye-sensitized solar cells with N719 sensitizer investigated by infrared absorption spectroscopy

Fumihiko Hirose; Koei Kuribayashi; Takahiko Suzuki; Yuzuru Narita; Yasuo Kimura; Michio Niwano

doi:10.1149/1.2908188

UV treatment effect on TiO₂ electrodes in dye-sensitized solar cells with N719 sensitizer investigated by infrared absorption spectroscopy

Fumihiko Hirose, Koei Kuribayashi, Takahiko Suzuki, Yuzuru Narita, Yasuo Kimura, Michio Niwano

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Abstract

cis-di(thiocyanato)bis(2, 2′ -bipyridyl- 4, 4″ -dicarboxylate)rutheniumu(II) (N719) adsorption on anatase Ti O2 electrodes in dye-sensitized solar cells has been investigated using infrared absorption spectroscopy with a multiple internal reflection technique. We have found that the N719 dye dissociatively adsorbs on OH sites to the Ti O2 surfaces with its carboxy group. The intentional generation of the OH sites on the Ti O2 electrodes with a photocatalytic reaction by UV irradiation in air prior to the N719 dye adsorption is effective in increasing the short-circuit current of the dye-sensitized solar cells.

Original language	English
Journal	Electrochemical and Solid-State Letters
Volume	11
Issue number	7
DOIs	https://doi.org/10.1149/1.2908188
Publication status	Published - 2008 May 26

ASJC Scopus subject areas

Chemical Engineering(all)
Materials Science(all)
Physical and Theoretical Chemistry
Electrochemistry
Electrical and Electronic Engineering

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title = "UV treatment effect on TiO2 electrodes in dye-sensitized solar cells with N719 sensitizer investigated by infrared absorption spectroscopy",

abstract = "cis-di(thiocyanato)bis(2, 2′ -bipyridyl- 4, 4″ -dicarboxylate)rutheniumu(II) (N719) adsorption on anatase Ti O2 electrodes in dye-sensitized solar cells has been investigated using infrared absorption spectroscopy with a multiple internal reflection technique. We have found that the N719 dye dissociatively adsorbs on OH sites to the Ti O2 surfaces with its carboxy group. The intentional generation of the OH sites on the Ti O2 electrodes with a photocatalytic reaction by UV irradiation in air prior to the N719 dye adsorption is effective in increasing the short-circuit current of the dye-sensitized solar cells.",

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T1 - UV treatment effect on TiO2 electrodes in dye-sensitized solar cells with N719 sensitizer investigated by infrared absorption spectroscopy

AU - Hirose, Fumihiko

AU - Kuribayashi, Koei

AU - Suzuki, Takahiko

AU - Narita, Yuzuru

AU - Kimura, Yasuo

AU - Niwano, Michio

PY - 2008/5/26

Y1 - 2008/5/26

N2 - cis-di(thiocyanato)bis(2, 2′ -bipyridyl- 4, 4″ -dicarboxylate)rutheniumu(II) (N719) adsorption on anatase Ti O2 electrodes in dye-sensitized solar cells has been investigated using infrared absorption spectroscopy with a multiple internal reflection technique. We have found that the N719 dye dissociatively adsorbs on OH sites to the Ti O2 surfaces with its carboxy group. The intentional generation of the OH sites on the Ti O2 electrodes with a photocatalytic reaction by UV irradiation in air prior to the N719 dye adsorption is effective in increasing the short-circuit current of the dye-sensitized solar cells.

AB - cis-di(thiocyanato)bis(2, 2′ -bipyridyl- 4, 4″ -dicarboxylate)rutheniumu(II) (N719) adsorption on anatase Ti O2 electrodes in dye-sensitized solar cells has been investigated using infrared absorption spectroscopy with a multiple internal reflection technique. We have found that the N719 dye dissociatively adsorbs on OH sites to the Ti O2 surfaces with its carboxy group. The intentional generation of the OH sites on the Ti O2 electrodes with a photocatalytic reaction by UV irradiation in air prior to the N719 dye adsorption is effective in increasing the short-circuit current of the dye-sensitized solar cells.

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UV treatment effect on TiO₂ electrodes in dye-sensitized solar cells with N719 sensitizer investigated by infrared absorption spectroscopy

Abstract

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