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Preparation method of large-area organic polymer solar cells

A solar cell and polymer technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of inability to meet organic solar cells, small size, etc., and achieve the effect of saving production time, realizing industrial production, and ensuring conversion efficiency.

Inactive Publication Date: 2015-08-05
HEBEI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the laboratory generally prepares organic solar cells through the process of spin coating or scraping solution, and the size of the organic solar cells prepared in the laboratory is generally small, which cannot meet the needs of industrialized large-area organic solar cells.

Method used

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  • Preparation method of large-area organic polymer solar cells

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Firstly, PEDOT:PSS solution, P3HT:PC prepared in advance and mixed uniformly 61 BM solution and conductive silver ink were poured into three troughs in sequence. The preparation parameters of these three solutions are: PEDOT: the mass volume percentage of solute and solvent in PSS solution is 1%; P3HT: PC 61 P3HT and PC in BM solution 61 The ratio of BM is the same, the solvent is chlorobenzene, and the mass volume percentage of solute and solvent is 2.5%; the mass volume percentage of solute and solvent in conductive silver ink is 2%.

[0040] Place the polyethylene terephthalate (PET) flexible substrate roll with etched ITO electrodes on the damping unwinding mechanism 1, accurately locate the starting position, and adjust the synchronous mechanisms so that the three-layer coating device The starting position is the same. The running speed of the coating device was set to 0.1 m / s, and the speeds of the three coating processes were the same.

[0041] The first coat...

Embodiment 2

[0046] Firstly, PEDOT:PSS solution, PCDTBT:PC prepared in advance and mixed uniformly 71 BM solution and conductive silver ink were poured into three troughs in sequence. The preparation parameters of these three solutions are: PEDOT: the mass volume percentage of solute and solvent in PSS solution is 1%; PCDTBT: PC 71 PCDTBT and PC in BM solution 71 The ratio of BM is 1:4, the solvent is a mixed solvent formed by chloroform and chlorobenzene in the same proportion, the mass volume percentage of solute and solvent is 2%; the mass volume percentage of solute and solvent in conductive silver ink is 2%.

[0047] Place the polyethylene terephthalate (PET) flexible substrate roll with etched ITO electrodes on the damping unwinding mechanism 1, accurately locate the starting position, and adjust the synchronous mechanisms so that the three-layer coating device The starting position is the same. The running speed of the coating device was set to 0.1 m / s, and the speeds of the thre...

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Abstract

The invention provides a production method for a large-area organic polymer solar cell. The method includes the following steps: (a) an anode is formed on a flexible substrate by an etching process; (b) the flexible substrate with the anode is mounted on a damped unreeling mechanism in front of a coating system, and after three times of coating in the three continuous coating processes of the coating system, a hole transport layer, an organic active layer and a cathode are sequentially formed on the anode of the flexible substrate, so that an organic solar cell is formed; (c) the organic solar cell is cut, connected with electrode pins and packaged to form a finished product. The production method can be adopted to produce large-area organic solar cells; moreover, the production time can be saved as well, and the efficiency can be increased; the waste of solution can be reduced, and the cost can be saved.

Description

technical field [0001] The invention relates to a method for preparing a solar cell, in particular to a method for preparing a solution-prepared large-area organic polymer solar cell. Background technique [0002] With the rapid development of the world economy, the problem of energy shortage has gradually emerged. People gradually realized that fossil energy may be exhausted one day, so they began to look for possible alternative energy sources. Solar energy is widely distributed, abundant and does not pollute the environment. Therefore, the conversion and utilization of solar energy has been highly valued by various countries. At present, the most widely used solar cells are mainly inorganic solar cells of monocrystalline silicon, polycrystalline silicon and amorphous silicon series. However, the processing procedures of inorganic solar cells are very complicated, demanding on the environment, and the cost is too high. The battery shows its advantages in these respects. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/48
CPCY02E10/549Y02P70/50
Inventor 杨少鹏刘博雅史江波李晓苇傅广生
Owner HEBEI UNIVERSITY
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