Tandem-type organic photoelectric conversion element and solar battery
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United States of America Patent
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May 30, 2017
Grant Date -
Aug 9, 2012
app pub date -
Sep 8, 2010
filing date -
Sep 18, 2009
priority date (Note) -
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Abstract
A tandem-type organic photoelectric conversion element has at least a first electrode, a second electrode, and a plurality of bulk heterojunction layers each comprising a p-type organic semiconductor material and an n-type organic semiconductor material. The tandem-type organic photoelectric conversion element and a solar battery are characterized in that when the absorption wavelengths of the bulk heterojunction layers are such that a second bulk heterojunction layer absorbs up to a longer wavelength than a first bulk heterojunction layer, the LUMO energy level (LUMO(n1)) of the film of the n-type semiconductor in the first bulk heterojunction layer and the LUMO energy level (LUMO(n2)) of the film of the n-type semiconductor in the second bulk heterojunction layer satisfy the following equation (1):
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International Classification(s)
- 2010 Application Filing Year
- H01L Class
- 16510 Applications Filed
- 13147 Patents Issued To-Date
- 79.64 % Issued To-Date
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- 0 Citation Count
- H01L Class
- 0 % this patent is cited more than
- 8 Age
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