PHOTOELECTRIC CONVERSION ELEMENT
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United States of America Patent
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Issued Date -
Mar 10, 2016
app pub date -
Jul 30, 2015
filing date -
Sep 5, 2014
priority date (Note) -
Abandoned
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Abstract
The techniques disclosed here feature a photoelectric conversion element. The photoelectric conversion element comprises a photoanode, a counter electrode, and an electrolytic medium located between the photoanode and the counter electrode. The photoanode includes a porous semiconductor layer and dye molecules located on the porous semiconductor layer. The porous semiconductor layer includes a light-scattering layer. The electrolytic medium contains a redox reagent. The light-scattering layer includes macropores having a pore diameter of 50 nm or more. The macropores having an arithmetic mean pore diameter of 0.5 μm or more and 10 μm or less. The redox reagent has a maximum molar absorption coefficient ε of 3000 L·cm−1·mol−1 or less within wavelengths of 380 nm to 800 nm.
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