Presentation 2006/4/19
Photoacoustic and photoelectrochemical characterization of photonic TiO_2 electrodes sensitized with CdSe quantum dots
Akira Sato, Lina J. Diguna, Qing Shen, Taishi Ishihara, Naoki Kobayashi, Taro Toyoda,
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Abstract(in English) Periodic dielectric arrays with lattice space of the order of wavelengths of light are termed as photonic crystals. Photonic crystals have a property that the group velocity of the specific light becomes small. This phenomena can be possibly applied for dye-sensitized solar cells (DSSC) to increase light harvesting efficiency. In this paper, we fabricated the TiO_2 photonic crystals electrodes, and adsorbed CdSe quantum dots (QDs) on the electrodes as a sensitizer instead of organic dye. We report the experimental results on light absorption and electron transfer from CdSe QDs to TiO_2 electrodes by using the photoacoustic (PA) method and incident photon to current conversion efficiency (IPCE) method, respectively.
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Keyword(in English) photonic crystals / dye-sensitized solar cell / quantum dots / photoacoustic method / incident photon to current conversion efficiency
Paper # US2006-7
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Committee US
Conference Date 2006/4/19(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Photoacoustic and photoelectrochemical characterization of photonic TiO_2 electrodes sensitized with CdSe quantum dots
Sub Title (in English)
Keyword(1) photonic crystals
Keyword(2) dye-sensitized solar cell
Keyword(3) quantum dots
Keyword(4) photoacoustic method
Keyword(5) incident photon to current conversion efficiency
1st Author's Name Akira Sato
1st Author's Affiliation Dept. of Appl. Phys. & Chem., Univ. of Electro-Communication()
2nd Author's Name Lina J. Diguna
2nd Author's Affiliation Dept. of Appl. Phys. & Chem., Univ. of Electro-Communication
3rd Author's Name Qing Shen
3rd Author's Affiliation Dept. of Appl. Phys. & Chem., Univ. of Electro-Communication:Course of Coherent Optical Science, Univ. of Electro-Communication
4th Author's Name Taishi Ishihara
4th Author's Affiliation Dept. of Appl. Phys. & Chem., Univ. of Electro-Communication
5th Author's Name Naoki Kobayashi
5th Author's Affiliation Dept. of Appl. Phys. & Chem., Univ. of Electro-Communication:Course of Coherent Optical Science, Univ. of Electro-Communication
6th Author's Name Taro Toyoda
6th Author's Affiliation Dept. of Appl. Phys. & Chem., Univ. of Electro-Communication:Course of Coherent Optical Science, Univ. of Electro-Communication
Date 2006/4/19
Paper # US2006-7
Volume (vol) vol.106
Number (no) 28
Page pp.pp.-
#Pages 4
Date of Issue