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Two-dimensional heterojunction solar cell and manufacturing method thereof

A technology of solar cells and two-dimensional heterojunctions, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as low efficiency, high cost, and complex structure of solar cells, and achieve improved efficiency, wide application price, and enhanced The effect on the ability of electron transport and charge migration

Inactive Publication Date: 2014-12-17
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a two-dimensional heterojunction solar cell and its preparation method in order to solve the technical problems of complex structure, high cost and low efficiency of the current solar cell

Method used

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  • Two-dimensional heterojunction solar cell and manufacturing method thereof
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  • Two-dimensional heterojunction solar cell and manufacturing method thereof

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Embodiment 1

[0030] Embodiment 1 A kind of preparation method of two-dimensional heterojunction solar cell, comprises the following steps: a, the preparation of high transmittance, high conductivity graphene:

[0031] (1) A uniform graphene film was grown on a Cu foil with a thickness of 50 μm by atmospheric pressure chemical vapor deposition;

[0032] (2) the Cu foil that grows graphene film is placed on the homogenizer, drip-coats polymethyl methacrylate (PMMA organic solvent) on the surface of Cu foil that grows graphene film, starts glue homogenizer, rotating speed 4000rpm, Make the PMMA evenly cover the upper surface of the Cu foil, then place the Cu foil on a heating platform at a temperature of 170°C for 3 minutes, and dry the PMMA solvent;

[0033] (3) Put the above-mentioned Cu foil coated with PMMA solvent into FeCl with a concentration of 0.5M 3 Corrosion in solution to remove Cu matrix;

[0034] (4) Use Si / SiO 2 The substrate was picked up and rinsed in deionized water for 1...

Embodiment 2

[0046] Embodiment 2 A preparation method of a two-dimensional heterojunction solar cell, comprising the steps of: a, preparation of high transmittance, high conductivity graphene:

[0047] (1) A uniform graphene film was grown on a Cu foil with a thickness of 50 μm by atmospheric pressure chemical vapor deposition;

[0048] (2) the Cu foil that grows graphene film is placed on the homogenizer, drip-coats polymethyl methacrylate (PMMA organic solvent) on the surface of Cu foil that grows graphene film, starts glue homogenizer, rotating speed 4000rpm, Make the PMMA evenly cover the upper surface of the Cu foil, then place the Cu foil on a heating platform at a temperature of 150°C for 5 minutes, and dry the PMMA solvent;

[0049] (3) Put the above-mentioned Cu foil coated with PMMA solvent into FeCl with a concentration of 0.5M 3 Corrosion in solution to remove Cu matrix;

[0050] (4) Use Si / SiO 2 For the substrate, the graphene film was picked up and rinsed in deionized wate...

Embodiment 3

[0062] Embodiment 3 A kind of preparation method of two-dimensional heterojunction solar cell, comprises the following steps: a, the preparation of high transmittance, high conductivity graphene:

[0063] (1) A uniform graphene film was grown on a Cu foil with a thickness of 50 μm by atmospheric pressure chemical vapor deposition;

[0064] (2) the Cu foil that grows graphene film is placed on the homogenizer, drip-coats polymethyl methacrylate (PMMA organic solvent) on the surface of Cu foil that grows graphene film, starts glue homogenizer, rotating speed 4000rpm, Make the PMMA evenly cover the upper surface of the Cu foil, then place the Cu foil on a heating platform at a temperature of 200°C for 2 minutes, and dry the PMMA solvent;

[0065] (3) Put the above-mentioned Cu foil coated with PMMA solvent into FeCl with a concentration of 0.5M 3 Corrosion in solution to remove Cu matrix;

[0066] (4) Use Si / SiO 2 For the substrate, pick up the graphene film and rinse it in de...

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Abstract

The invention belongs to the technical field of new energy and relates to a solar cell and a manufacturing method thereof, in particular to a two-dimensional heterojunction solar cell and a manufacturing method thereof. The manufacturing method includes manufacturing graphene and two-dimensional transition metal sulfide films by an atmospheric pressure chemical vapor deposition method; compositing the graphene and two-dimensional transition metal sulfide films, leading out to form a two-dimensional heterojunction solar cell by a metal electrode. The two-dimensional heterojunction solar cell has the advantages of simple structure, large area, low cost and high efficiency. The manufacturing method is simple and low in manufacturing cost and has potential application value in the technical field of new energy. Particularly, a flexible solar cell is obtained and has higher application value as compared with an existing silicon solar cell.

Description

technical field [0001] The invention belongs to the technical field of new energy and relates to the preparation of solar cells, in particular to a two-dimensional heterojunction solar cell and a preparation method thereof. Background technique [0002] Recently, the study of single-layer 2D atomic-scale nanomaterials has attracted great interest. As we all know, graphene is currently the most studied single-layer two-dimensional nanomaterial. The unique two-dimensional honeycomb structure of graphene makes it have many excellent physical, chemical and mechanical properties, so it has important scientific research significance and wide application. Application prospects. Graphene has a very high specific surface area, high electrical and thermal conductivity, high charge mobility, and excellent mechanical properties. Therefore, it has great potential as a micro-nano electronic device, an electrode material for a new energy battery, a solid lubricant, and a new catalyst carr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/072H01L31/18
CPCH01L31/0296H01L31/073Y02E10/543Y02P70/50
Inventor 章海霞高向华张华许并社余春燕贾伟马琼
Owner TAIYUAN UNIV OF TECH
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