Inexpensive organic solar cell and method of producing same
View Patent ↗The present invention proposes an organic photovoltaic component, particularly an organic solar cell, whose electrode is implemented as unstructured and is provided with a passivation layer, so that the passivated electrode layer acts functionally as a structured electrode or electrode layer.
1. An article, comprising:
a first electrode in the form of a layer having a surface;
a passivation structure on a first portion of the surface of the first electrode; and
a second electrode disposed above a second portion of the surface of the first electrode, the second electrode not being disposed above the first portion of the first electrode, the first portion of the surface of the first electrode being different from the second portion of the first electrode;
wherein the article is an organic photovoltaic component.
2. The article as recited in claim 1 , further comprising a semiconductor between the first and second electrodes.
3. The article as recited in claim 2 , wherein the semiconductor comprises at least one material selected from the group consisting of polythiophenes, polyalkylthiophene, polydihexylterthiophene (PDHTT), polythienylene vinylenes, and polyfluorene derivatives.
4. The article as recited in claim 3 , wherein the semiconductor comprises a conjugated polymer.
5. The article as recited in claim 2 , wherein the semiconductor is on the second portion of the surface of the first electrode.
6. The article as recited in claim 1 , further comprising a contact in electrical communication with the first electrode.
7. The article as recited in claim 6 , wherein the passivation structure electrically isolates the second electrode from the contact.
8. The article as recited in claim 1 , further comprising a second passivation structure.
9. The article as recited in claim 8 , further comprising a contact in electrical communication with the second electrode.
10. The article as recited in claim 9 , wherein the second passivation structure insulates the contact from first electrode.
11. The article as recited in claim 1 , wherein the passivation structure has a thickness of at least 100 nm.
12. The article as recited in claim 1 , wherein the passivation structure is a dielectric.
13. The article as recited in claim 1 , wherein the first electrode is provided with additional conduction paths to increase the electrical conductivity of said electrode layer.
14. The article as recited in claim 13 , wherein the additional conduction paths are covered by additional, corresponding, passivation structures.
15. The article as recited in claim 1 , wherein the first electrode simultaneously serves as a substrate.
16. The article as recited in claim 1 , wherein individual regions of the photovoltaic component are interconnected in circuit, the interconnection in circuit being located in an edge region.
17. The article as recited in claim 16 , wherein the interconnection in circuit is in series or in parallel.
18. The article as recited in claim 16 , wherein the individual regions are produced by mechanical structuring.