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A kind of graphene solar cell and preparation method thereof

A solar cell, graphene technology, applied in circuits, electrical components, photovoltaic power generation and other directions, can solve the problems of poor electrical performance, poor interface stability, poor light transmittance, etc., achieve good interface characteristics, interface stability, preparation method simple effect

Active Publication Date: 2019-09-24
张思银
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Problems solved by technology

[0005] The object of the present invention is to provide a kind of graphene solar cell, to solve the problem of poor light transmittance, poor interface stability, and poor electrical performance of the traditional stacked solar cell connection layer proposed in the above-mentioned background technology

Method used

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  • A kind of graphene solar cell and preparation method thereof
  • A kind of graphene solar cell and preparation method thereof
  • A kind of graphene solar cell and preparation method thereof

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] see Figure 1-4 , the present invention provides a technical solution: a graphene solar cell, comprising from bottom to top: a substrate 1, a transparent anode 2, a first sub-cell 3, a graphene connection layer 4, a second sub-cell 5, and a reflective electrode 5. The graphene connection layer 4 is a three-layer film structure, including TiO2 first connection layer 401, graphene second connection layer 402 and MoO3 third connection layer 403, described ...

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Abstract

A graphene solar cell comprises the following components from bottom to top: a substrate (1), a transparent anode (2),, a first sub-cell (3), a graphene connecting layer (4), a second sub-cell (5) anda reflecting electrode (6). The graphene solar cell is characterized in that the graphene connecting layer (4) has a three-layer film structure and comprises a TiO2 first connecting layer (401), a graphene second connecting layer (402) and an MoO3 third connecting layer (403); the TiO2 first connecting layer (401), the graphene second connecting layer (402) and the MoO3 third connecting layer (403) form a sandwich structure; the thickness of the TiO2 first connecting layer (401) is 10-20 nm; the thickness of the graphene second connecting layer (402) is 20-30 nm; and the thickness of the MoO3third connecting layer (403) is 5-10 nm.

Description

technical field [0001] The invention belongs to the technical field of graphene preparation and application, in particular to a graphene solar cell. Background technique [0002] The photovoltaic industry with solar cells as the core directly converts solar energy into electrical energy, which is one of the cleanest energy available to human beings and is recognized as "green energy". The efficiency of traditional solar cells is limited by the light absorption range of the photosensitive layer, and it is difficult for ordinary photoelectric materials to completely cover the solar spectrum, thus limiting the improvement of cell efficiency. Laminated cells are a very good way to broaden the light absorption range of solar cells. Laminated cells can simultaneously utilize the different light absorption of two, three or more sub-cells, which can greatly improve the energy conversion efficiency of the cell. [0003] The connection layer of tandem cells has a crucial influence on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/0475H01L31/05H01L31/18
CPCH01L31/043H01L31/0512H01L31/1876Y02E10/50Y02P70/50
Inventor 朱洋邵蓉
Owner 张思银
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