Solar cells
AssigneeThe Trustees of Princeton Univeristy
InventorsPeter Peumans, Soichi Uchida, Stephen R. Forrest
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Abstract
Organic photosensitive optoelectronic devices are disclosed. The devises are thin-film crystalline organic optoelectronic devices capable of generating a voltage when exposed to light, and prepared by a method including the steps of: depositing a first organic layer over a first electrode; depositing a second organic layer over the first organic layer; depositing a confining layer over the second organic layer to form a stack; annealing the stack; and finally depositing a second electrode over the second organic layer.
Claims20
A method for making an organic photosensitive optoelectronic device comprising the steps of:
- (a) depositing a first organic layer over a first electrode;
- (b) depositing a second organic layer over the first organic layer;
- (c) depositing a confining layer over the second organic layer to form a stack;
- (d) annealing the stack;
- and
- (e) depositing a second electrode over the second organic layer, wherein the device is capable of generating a voltage when exposed to light, wherein said confining layer prevents formation of a rough surface morphology while allowing formation of a bulk heterojunction with an interpenetrating donor-acceptor network between the first and second organic layers during said annealing step.
A method for making an organic photosensitive optoelectronic device comprising the steps of:
- (a) depositing a first organic layer over a first electrode;
- (b) depositing a second organic layer over the first organic layer;
- (c) depositing a confining layer over the second organic layer to form a stack;
- (d) annealing the stack;
- (e) removing the confining layer;
- and
- (f) depositing a second electrode over the second organic layer, wherein the device is capable of generating a voltage when exposed to light.
Dependencies are inferred from the claim text.