Infoscience

Patent

Inverted solar cell and process for producing the same

The present invention relates to a method for producing a solid solar cells, comprising the steps of providing a hole collector layer, applying a conductive layer onto the hole collector layer, applying an electron blocking layer onto the conductive layer, applying a sensitizer layer onto the electron blocking layer; applying a hole blocking layer onto the sensitizer layer and providing a current collector and/or a metal layer or a conductor. The sensitizer layer comprising an organic-inorganic perovskite is applied by co-deposition of one or more sublimated divalent or trivalent salts and of one or more sublimated organic ammonium salts to obtain said organic-inorganic perovskite. The invention also relates to solid state solar cells, wherein the charges flow is inverted compared with the charge flow in solar cell of conventional architecture and/or obtained by the above method.

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