Stacked organic photosensitive optoelectronic devices with an electrically series configuration

A series stacked organic photosensitive optoelectronic device comprising:

• a substrate having a proximal surface and a distal surface;
• and
• a plurality of organic photosensitive optoelectronic subcells, each of said subcells having a cathode and an anode, each of said cathode and anode being an electrode layer or a charge transfer layer, each of said subcells sharing at least one electrode layer or charge transfer layer with an adjacent subcell, said subcells in superposed relation with each other and with said proximal surface of said substrate,
• wherein at least two of said plurality of organic photosensitive optoelectronic subcells are electrically connected in series and wherein the electrode layer farthest from said substrate is transparent.

A series stacked organic photosensitive optoelectronic device comprising:

• a substrate having a proximal surface and a distal surface;
• and
• a plurality of organic photosensitive optoelectronic subcells, each of said subcells having a cathode and an anode, each of said cathode and anode being an electrode layer or a charge transfer layer, each of said subcells sharing at least one electrode layer or charge transfer layer with an adjacent subcell, said subcells in superposed relation with each other and with said proximal surface of said substrate, at least two of said electrode layers being transparent,
• wherein at least two of said plurality of organic photosensitive optoelectronic subcells are electrically connected in series.

A method of detecting electromagnetic radiation comprising:

• electrically attaching a series stacked organic photodetector having at least two organic photosensitive optoelectronic subcells connected in series and at least two transparent electrode layers to a detecting circuit;
• providing electrical power to said detecting circuit;
• exposing said photodetector to ambient electromagnetic radiation;
• and
• receiving electronic signals corresponding to said ambient electromagnetic radiation from said detecting circuit.

A method of fabricating a series stacked organic photosensitive optoelectronic device comprising:

• fabricating a first organic photosensitive optoelectronic subcell on a substrate so as to form an organic photosensitive optoelectronic device capable of producing a given voltage;
• and
• fabricating a second organic photosensitive optoelectronic subcell in superposed relationship upon the top surface of said first organic photosensitive optoelectronic subcell so as to form a stacked organic photosensitive optoelectronic device and so as to increase the voltage capability of said organic photosensitive optoelectronic device,
• wherein said subcells of said stacked organic photosensitive optoelectronic device are comprised of a pair of transparent electrode layers and said first subcell and said second subcell are electrically connected in series.