Apparatus and method for forming organic thin film solar battery

Patent metadata

Field	Value
Publication number	US-10566538-B2
Application number	US-201715488398-A
Country	US
Kind code	B2
Filing date	Apr 14, 2017
Priority date	May 31, 2016
Publication date	Feb 18, 2020
Grant date	Feb 18, 2020

Abstract

A method for forming an organic thin film solar battery includes steps of: providing a substrate and an evaporating source; forming a first electrode on a surface of the substrate; spacing the evaporating source from the first electrode, and heating the carbon nanotube film structure to gasify the photoactive material and form a photoactive layer on a surface of the first electrode; and forming a second electrode on a surface of the photoactive layer.

First claim

What is claimed is:

1. A method of forming an organic thin film solar battery comprising:
S 1 : providing a substrate and an evaporating source, wherein the evaporating source comprises a carbon nanotube film structure and a photoactive material, the photoactive material is located on a surface of the carbon nanotube film structure, the carbon nanotube film structure comprises at least one carbon nanotube film, and the least one carbon nanotube film comprises a plurality of nanotubes joined end to end by Van der Waals attractive force;
S 2 : forming a first electrode on a substrate surface;
S 3 : spacing the evaporating source from the first electrode, and heating the carbon nanotube film structure to gasify the photoactive material and form a photoactive layer on a surface of the first electrode; and
S 4 : forming a second electrode on a surface of the photoactive layer.

2. A method of forming an organic thin film solar battery comprising:
S 1 : providing a substrate and an evaporating source, wherein the evaporating source comprises a carbon nanotube film structure and a photoactive material, the photoactive material is located on a surface of the carbon nanotube film structure, the photoactive material comprises a plurality of materials, and the plurality of materials are dissolved in a liquid phase solvent and mixed with each other;
S 2 : forming a first electrode on a substrate surface;
S 3 : spacing the evaporating source from the first electrode, and heating the carbon nanotube film structure to gasify the photoactive material and form a photoactive layer on a surface of the first electrode; and
S 4 : forming a second electrode on a surface of the photoactive layer.

3. The method of claim 2 , wherein the photoactive material is located on the surface of the carbon nanotube film structure by a solution method, a vapor deposition method, a plating method or a chemical plating method.

4. The method of claim 2 , wherein a distance between the surface of the first electrode and the carbon nanotube film structure is in a range from about 1 micrometer to about 10 millimeters.

5. The method of claim 2 , wherein the photoactive material is a mixture of methylammonium iodide and lead iodide.

6. A method of forming an organic thin film solar battery comprising:
S 1 : providing a substrate and an evaporating source, wherein the evaporating source comprises a carbon nanotube film structure and a photoactive material, the photoactive material is located on a surface of the carbon nanotube film structure, and the photoactive material is a mixture of methylammonium iodide and lead iodide;
S 2 : forming a first electrode on a substrate surface;
S 3 : spacing the evaporating source from the first electrode, and heating the carbon nanotube film structure to gasify the photoactive material and form a photoactive layer on a surface of the first electrode; and
S 4 : forming a second electrode on a surface of the photoactive layer.

7. The method of claim 6 , wherein the photoactive material is located on the surface of the carbon nanotube film structure by a solution method, a vapor deposition method, a plating method or a chemical plating method.

8. The method of claim 6 , wherein a distance between the surface of the first electrode and the carbon nanotube film structure is in a range from about 1 micrometer to about 10 millimeters.

9. The method of claim 3 , wherein the solution method for depositing the photoactive material on the surface of the carbon nanotube film structure comprising:
S 11 , dispersing the photoactive material in a solvent to form a mixture;
S 12 , attaching the mixture to the carbon nanotube film structure;
S 13 , drying the solvent to make the photoactive material uniformly attach on the surface of the carbon nanotube film structure.

10. The method of claim 2 , further comprising a step of forming an electron acceptor material layer and an electron donor material layer on the surface of the first electrode.

11. The method of claim 2 , wherein in step S 3 , an electromagnetic signal is inputted to heat the carbon nanotube film structure by an electromagnetic signal input device.

12. The method of claim 2 , wherein in step S 3 , an electrical signal is inputted to heat the carbon nanotube film structure by a first electrical signal input electrode and a second electrical signal input electrode.

13. The method of claim 2 , further comprising a step of forming a functional layer on the surface of the photoactive layer after the S 3 and before the S 4 , wherein the functional layer is an electron transferring layer or an hole transferring layer.

14. The method of claim 2 , wherein the photoactive material is a mixture of methylammonium iodide and lead iodide.

15. The method of claim 2 , wherein a heat capacity per unit area of the carbon nanotube film structure is less than 2×10 −4 J/cm 2 · K, and a specific surface area of the carbon nanotube film structure is larger than 200 m 2 /g.

16. The method of claim 6 , further comprising a step of forming an electron acceptor material layer and an electron donor material layer on the surface of the first electrode.

17. The method of claim 6 , wherein in step S 3 , an electromagnetic signal is inputted to heat the carbon nanotube film structure by an electromagnetic signal input device.

18. The method of claim 6 , wherein in step S 3 , an electrical signal is inputted to heat the carbon nanotube film structure by a first electrical signal input electrode and a second electrical signal input electrode.

19. The method of claim 6 , further comprising a step of forming a functional layer on the surface of the photoactive layer after the S 3 and before the S 4 , wherein the functional layer is an electron transferring layer or an hole transferring layer.

Assignees

• Univ Tsinghua
• Hon Hai Prec Ind Co Ltd

Inventors

• Wei Yang
• Wei Hao-Ming
• Fan Shou-Shan

Classifications

• Y02E10/549

  Organic PV cells · CPC title

• H01L31/02008

  Electricity · mapped topic

• H01L31/035227

  Electricity · mapped topic

• H01L31/022425

  Electricity · mapped topic

• H01L51/0048 Primary

  Electricity · mapped topic