Graphene/polymer electrode-based flexible perovskite solar cell and preparation

A technology of solar cells and polymers, applied in the field of solar cells, can solve the problems of flexibility, light transmittance, and conductivity of flexible transparent electrodes, and achieve easy flexible integration, high photoelectric conversion efficiency, and good light transmittance. Effect

Inactive Publication Date: 2016-04-13
CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the flexibility, light transmittance and conductivity of the flexible transparent electrode in the existin...

Method used

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  • Graphene/polymer electrode-based flexible perovskite solar cell and preparation
  • Graphene/polymer electrode-based flexible perovskite solar cell and preparation

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Experimental program
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Effect test

Embodiment 1

[0026] The structure of the flexible perovskite solar cell based on the graphene / polymer composite transparent electrode of the present embodiment is as follows figure 1 As shown, the preparation method steps of the flexible perovskite solar cell based on the graphene / polymer composite transparent electrode in this embodiment are as follows:

[0027] 1. Preparation of lower layer graphene 201: transfer a layer of graphene film on a 10um thick PET substrate, the PET substrate is a flexible substrate 1;

[0028] 2. Preparation of conductive polymer 202: Spin-coat polythiophene on the surface of the graphene film, wherein 0.3% surfactant is added to the polythiophene solution, and the thickness obtained after the film is annealed is 10 nm;

[0029] 3. Prepare the upper layer graphene 203: transfer a layer of graphene film on the surface of the polythiophene film to form a graphene / polymer composite transparent electrode 2;

[0030] 4. Preparation of hole transport layer 3:...

Embodiment 2

[0036] The structure of the flexible perovskite solar cell based on the graphene / polymer composite transparent electrode of the present embodiment is as follows figure 1 As shown, the preparation method steps of the flexible perovskite solar cell based on the graphene / polymer composite transparent electrode in this embodiment are as follows:

[0037] 1. Preparation of lower layer graphene 201: transfer 2 layers of graphene film on a 100um thick PI substrate, the PI substrate is a flexible substrate 1;

[0038] 2. Preparation of conductive polymer 202: Scrape-coat polyethylene on the surface of the graphene film, wherein 0.5% surfactant is added to the polythiophene solution, and the thickness obtained after the film is annealed is 50nm;

[0039] 3. Prepare upper layer graphene 203: transfer two layers of graphene film on the surface of polythiophene film to form graphene / polymer composite transparent electrode 2;

[0040] 4. Preparation of hole transport layer 3: scrape...

Embodiment 3

[0046] The structure of the flexible perovskite solar cell based on the graphene / polymer composite transparent electrode of the present embodiment is as follows figure 1 As shown, the preparation method steps of the flexible perovskite solar cell based on the graphene / polymer composite transparent electrode in this embodiment are as follows:

[0047] 1. Preparation of lower layer graphene 201: transfer 3 layers of graphene film on a 100um thick PEN substrate, the PEN substrate is a flexible substrate 1;

[0048] 2. Preparation of conductive polymer 202: Inkjet printing polyethylenedioxythiophene-polystyrene sulfonate on the surface of graphene film, in which polyethylenedioxythiophene-polystyrenesulfonate solution is added with 1% Surfactant, the thickness obtained after film annealing is 100nm;

[0049] 3. Preparation of upper layer graphene 203: transfer 3 layers of graphene film on the surface of polyethylenedioxythiophene-polystyrene sulfonate film to form graphene / ...

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Abstract

The invention relates to a graphene/polymer composite transparent electrode-based flexible perovskite solar cell and a preparation of the flexible perovskite solar cell. The graphene/polymer composite transparent electrode-based flexible perovskite solar cell comprises a flexible substrate (1), a graphene/polymer composite transparent electrode (2), a hole transport layer (3), a perovskite light absorption layer (4), an electron transport layer (5) and a back electrode (6), wherein the composite transparent electrode is formed by graphene and a conductive high-molecular polymer. The graphene/polymer composite transparent electrode-based flexible perovskite solar cell has the advantages of good light transmittance, conductivity, flexibility and stability, low production cost and high photoelectric conversion efficiency, and is easy to flexibly integrate and applicable to large-scale industrial production of the solar cell.

Description

technical field [0001] The invention belongs to the field of solar cells, in particular to a flexible perovskite solar cell based on a graphene / polymer composite transparent electrode and its preparation. Background technique [0002] In recent years, with the increasingly serious environmental pollution and people's increasing demand for renewable energy, the development and progress of the solar energy industry has attracted more and more attention. With the rapid development of the photovoltaic industry, how to minimize the production cost and at the same time improve its conversion and utilization efficiency has become a research hotspot in the field of solar cells. Currently, silicon-based solar cells dominate the market applications. Although high energy conversion efficiency can be achieved, the cost of the battery remains high, and there are problems such as complex preparation process and serious pollution, which hinder its further development. [0003] Perovskite...

Claims

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Application Information

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IPC IPC(8): H01L51/42H01L51/44H01L51/46H01L51/48
CPCH10K30/00H10K30/82Y02E10/549Y02P70/50
Inventor 魏兴战杨俊钱彦雄罗伟汤林龙冷重钱陈伟陆仕荣史浩飞
Owner CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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