Organic photovoltaic cell and manufacturing method of the same
OwnerTakehito Kato, Ken Yoshimura +1inventors
InventorsTakehito Kato, Ken Yoshimura, Toshihiro Ohnishi
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Abstract
An organic photovoltaic cell comprising a pair of electrodes and an active layer that is located between the pair of electrodes and containing an organic compound, in which each content of inorganic compounds of a phosphorus compound, a palladium compound, an aluminum compound, an iron compound, a calcium compound, a potassium compound, and a sodium compound are 30 ppm by weight or less in the active layer, and is excellent in photovoltaic efficiency.
Claims6
An organic photovoltaic cell comprising:
- a pair of electrodes;
- and
- an active layer located between the pair of electrodes and comprising an organic compound, wherein
- in the active layer, each content of inorganic compounds of a phosphorus compound, a palladium compound, an aluminum compound, an iron compound, a calcium compound, a potassium compound, and a sodium compound is 30 ppm by weight or less.
An organic photovoltaic cell comprising:
- a pair of electrodes;
- and
- an active layer located between the pair of electrodes and comprising an organic compound, wherein
- a content of a palladium compound in the active layer is 30 ppm by weight or less in terms of palladium.
An organic photovoltaic cell comprising:
- a pair of electrodes;
- and
- an active layer located between the pair of electrodes and comprising an organic compound, wherein
- a content of a sodium compound in the active layer is 30 ppm by weight or less in terms of sodium.
An organic photovoltaic cell comprising:
- a pair of electrodes;
- and
- an active layer located between the pair of electrodes and comprising an organic compound, wherein
- content of an iron compound in the active layer is 30 ppm by weight or less in terms of iron.
A manufacturing method of an organic photovoltaic cell comprising a pair of electrodes and an active layer that is located between the pair of electrodes and comprises an organic compound, the manufacturing method comprising:
- purifying an electron-donor compound serving as the organic compound with an adsorbent comprising silica gel and alumina;
- and
- forming a film of the active layer using a liquid comprising an organic compound that comprises the electron-donor compound after being purified.
Dependencies are inferred from the claim text.