Low-Temperature Fabrication of TiO2 Necking Electrode by Sol–Gel Method and its Application to Dye-Sensitized Solar Cell
スポンサーリンク
概要
- 論文の詳細を見る
The low-temperature fabrication of TiO2 electrodes for use in a dye-sensitized solar cell was studied. The use of the sol–gel necking method with a Ti–precursor solution added to a paste including TiO2 nano particles resulted in a high-performance TiO2 electrode. A solar cell using the electrode showed a high efficiency of almost 2%, even when sintered at 200 °C. The improvement in the efficiency was due to the increase in photocurrent of the cell. Increasing the specific surface area of the TiO2 electrode sintered at around 200 °C was corresponded to an increase in the number of micropores. However, it did not contribute to the increase in the amount of adsorbed dye nor did it improve photocurrent. Rather, the crystallization of the added Ti–precursor solution and subsequent increase in conductivity of the TiO2 electrode improved photocurrent. The phase transition temperature of the Ti–precursor solution from amorphous to anatase was detected at 331 °C by differential thermal analysis (DTA) measurement. To fabricate the TiO2 electrode for use in a high-performance solar cell at lower temperatures, the control of crystallization is required.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-10-15
著者
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Yamazaki Eiji
Industrial Research Division Mie Prefectural Science And Technology Promotion Center
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Mori Tatsuo
Department Of Electrical Engineering And Computer Science Graduate School Of Engineering Nagoya University
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Yamazaki Eiji
Industrial Research Division, Mie Prefectural Science and Technology Promotion Center, 5-5-45 Takachaya, Tsu 514-0819, Japan
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Nishikawa Naomi
Industrial Research Division, Mie Prefectural Science and Technology Promotion Center, 5-5-45 Takachaya, Tsu 514-0819, Japan
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Hashimoto Noritsugu
Industrial Research Division, Mie Prefectural Science and Technology Promotion Center, 5-5-45 Takachaya, Tsu 514-0819, Japan
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Murayama Masaki
Industrial Research Division, Mie Prefectural Science and Technology Promotion Center, 5-5-45 Takachaya, Tsu 514-0819, Japan
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