Organic photovoltaic devices
First Claim
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1. An organic photosensitive optoelectronic device comprising:
- an anode;
multiple subcells in series, each subcell comprising;
an electron donor layer, and an electron acceptor layer in contact with the electron donor layer, an electron-hole recombination zone separating the subcells, and a cathode, wherein the current generated by each subcell is about equal.
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Abstract
The present invention generally relates to organic photosensitive optoelectronic devices. More specifically, it is directed to organic photovoltaic devices, e.g., organic solar cells. Further, it is directed to an optimized organic solar cell comprising multiple stacked subcells in series. High power conversion efficiency are achieved by fabrication of a photovoltaic cell comprising multiple stacked subcells with thickness optimization and employing an electron blocking layer.
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Citations
17 Claims
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1. An organic photosensitive optoelectronic device comprising:
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an anode;
multiple subcells in series, each subcell comprising;
an electron donor layer, and an electron acceptor layer in contact with the electron donor layer, an electron-hole recombination zone separating the subcells, and a cathode, wherein the current generated by each subcell is about equal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification