Organic optoelectronic component and method for producing an organic optoelectronic component
In various embodiments, an organic optoelectronic component is provided. The organic optoelectronic component may include a first electrode, an organic functional layer structure over the first electrode, and a second electrode over the organic functional layer structure. Optionally, the organic functional layer structure includes a charge carrier pair generation layer structure. At least one of the electrodes and/or the charge carrier pair generation layer structure includes electrically conductive nanostructures, the surfaces of which are at least partially coated with a coating material.
1. An organic optoelectronic component, comprising:
a first electrode,
an organic functional layer structure having a charge carrier pair generation layer structure, over the first electrode,
a second electrode over the organic functional layer structure,
wherein the charge carrier pair generation layer structure comprises a first sublayer having first nanostructures which are coated with a first coating material, and a second sublayer having second nanostructures which are coated with a second coating material, wherein the second sublayer is formed over the first sublayer, and wherein one of the two sublayers is a hole injection layer and the other of the two sublayers is an electron injection layer.
2. The organic optoelectronic component as claimed in claim 1 , wherein the first and/or second nanostructures respectively comprise nanowires, nanotubes, nanoparticles and/or nanodots.
3. The organic optoelectronic component as claimed in claim 1 , wherein the first coating material is configured to functionalize a surface of the first nano structures.
4. The organic optoelectronic component as claimed in claim 1 , wherein the first coating material comprises organic compounds having one or more functional groups.
5. The organic optoelectronic component as claimed in claim 1 , wherein a surface of the first nanostructures is functionalized by means of thiolalkyl.
6. The organic optoelectronic component as claimed in claim 1 , wherein the first coating material comprises at least one functional group which is selected from aromatic, heteroaromatic, electron-withdrawing, electron donating, polar, nonpolar or fluorinated groups.
7. The organic optoelectronic component as claimed in claim 1 , wherein the second coating material is configured to functionalize a surface of the second nanostructures.
8. The organic optoelectronic component as claimed in claim 1 , wherein the second coating material comprises organic compounds having one or more functional groups.
9. The organic optoelectronic component as claimed in claim 1 , wherein a surface of the second nanostructures is functionalized by means of thiolalkyl.
10. The organic optoelectronic component as claimed in claim 1 , wherein the second coating material comprises at least one functional group which is selected from aromatic, heteroaromatic, electron-withdrawing, electron donating, polar, nonpolar or fluorinated groups.
11. A method for producing an organic optoelectronic component, the method comprising:
forming a first electrode,
forming an organic functional layer structure having a charge carrier pair generation layer structure, over the first electrode, and
forming a second electrode over the organic functional layer structure,
wherein the charge carrier pair generation layer structure comprises a first sublayer having first nanostructures which are coated with a first coating material, and a second sublayer having second nanostructures, which are coated with a second coating material, and wherein one of the two sublayers is a hole injection layer and the other of the two sublayers is an electron injection layer.
12. The method as claimed in claim 11 , wherein forming the organic functional layer structure comprises dissolving the first or second coating material in a first liquid and then applying the dissolved first or second coating material respectively onto the the first and second nanostructures.
13. The method as claimed in claim 11 , wherein forming the organic functional layer structure comprises dissolving the first or second nanostructures in a second liquid during the application of the respective coating material of the first and second coating materials.
14. The method as claimed in claim 11 , wherein forming the organic functional layer structure comprises dissolving the first and/or second coated nanostructures in a liquid during the formation of the electrode or of the charge carrier pair generation layer structure.