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Perovskite thin film preparation equipment and method and perovskite solar cell

A thin-film preparation and perovskite technology, applied in circuits, electrical components, photovoltaic power generation, etc., can solve the problems of poor quality of perovskite thin films and low photoelectric conversion efficiency of perovskite solar cells

Pending Publication Date: 2022-03-25
ZHEJIANG AIKO SOLAR ENERGY TECH CO LTD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a perovskite thin film preparation equipment, aiming to solve the problem of low photoelectric conversion efficiency of perovskite solar cells caused by the poor quality of perovskite thin film prepared by the perovskite thin film preparation equipment in the prior art

Method used

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  • Perovskite thin film preparation equipment and method and perovskite solar cell
  • Perovskite thin film preparation equipment and method and perovskite solar cell
  • Perovskite thin film preparation equipment and method and perovskite solar cell

Examples

Experimental program
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Effect test

Embodiment 1

[0041] Please refer to figure 1 , the present embodiment provides a perovskite film preparation equipment, including:

[0042] The perovskite coating device 1 is used to coat the perovskite precursor solution on the substrate 10, so as to coat and form the perovskite wet film 13 on the substrate 10;

[0043]Extraction container 2, the anti-solvent 20 containing additive is housed in the extraction container 2, and anti-solvent 20 is used for extracting the solvent of the perovskite precursor solution of perovskite wet film 13;

[0044] The transfer device 3 is used to transfer the substrate 10 coated with the perovskite coating device 1 to form the perovskite wet film 13 into the extraction container 2, so that the perovskite wet film 13 is soaked in the anti-solvent 20 containing additives ;

[0045] The ultrasonic heating device 4 is used to perform ultrasonic vibration treatment and heat treatment on the anti-solvent 20 in the extraction vessel 2 to crystallize the perovs...

Embodiment 2

[0091] Please refer to figure 2 , the present invention also provides a kind of perovskite film preparation method, utilizes the perovskite film preparation equipment of above-mentioned embodiment one, this perovskite film preparation method comprises the following steps:

[0092] Step S1, the perovskite coating device 1 coats the perovskite precursor solution on the substrate 10, so as to coat the substrate 10 to form a perovskite wet film 13;

[0093] As an embodiment of the present invention, the solute of perovskite precursor solution is ABX 3 At least one of, wherein, A is a methylamine group, a formamidine group or Cs, B is Pb, Sn or Ge, X is I, Br or Cl, and the solvent of the perovskite precursor solution is dimethyl One or a combination of methyl formamide and dimethyl sulfoxide.

[0094] As an embodiment of the present invention, the perovskite coating device 1 can apply a layer of perovskite to the substrate 10 by using a slit coating process, a blade coating pro...

Embodiment 3

[0108] Please refer to image 3 , the present invention also provides a perovskite solar cell, including a perovskite thin film 14, and the perovskite thin film 14 is prepared by the method for preparing the perovskite thin film in the second embodiment above.

[0109] Specifically, the perovskite solar cell provided in this embodiment includes:

[0110] The substrate 10, the substrate 1 includes a transparent conductive bottom layer 101, and a first contact layer 102 disposed on the transparent conductive bottom layer 101;

[0111] A perovskite film 14 disposed on the first contact layer 12;

[0112] a second contact layer 15 disposed on the perovskite film 14; and

[0113] The electrode layer 16 disposed on the second contact layer 15 .

[0114] Wherein, one of the first contact layer 102 and the second contact layer 15 is an electron transport layer, and the other is a hole transport layer. One of the first contact layer 102 and the second contact layer 15 is an N-type se...

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Abstract

The invention is applicable to the technical field of perovskite solar cells, and provides perovskite thin film preparation equipment and method and a perovskite solar cell, and the perovskite thin film preparation equipment comprises a perovskite coating device which is used for coating a perovskite precursor solution on a substrate so as to form a perovskite wet film on the substrate; the extraction container is filled with an anti-solvent containing an additive; the transfer device is used for transferring the substrate which is coated by the perovskite coating device to form the perovskite wet film into the extraction container, so that the perovskite wet film is soaked in an anti-solvent containing an additive; and the ultrasonic heating device is used for carrying out ultrasonic vibration treatment and heating treatment on the anti-solvent in the extraction container, so that the perovskite wet film is crystallized to obtain the perovskite thin film. According to the perovskite thin film preparation equipment provided by the invention, the crystal quality of the prepared perovskite thin film can be improved, so that the photoelectric conversion efficiency of a perovskite solar cell applying the perovskite thin film is improved.

Description

technical field [0001] The invention relates to the technical field of perovskite solar cells, in particular to a perovskite film preparation device and method and a perovskite solar cell. Background technique [0002] With the depletion of chemical fuel resources, the development and utilization of new energy has become an eternal scientific research direction in the 21st century. The simple, safe, non-polluting and inexhaustible characteristics of solar energy have also become a research hotspot in the past century. Since the last century, crystalline silicon solar cells, amorphous silicon solar cells, and thin-film solar cells have gradually appeared in the human field of vision, and the high cost has also prompted the emergence of a new generation of high-efficiency solar cells. As the first generation of solar cells, crystalline silicon cells are constantly approaching their 29.4% conversion efficiency limit. In order to break through the efficiency bottleneck and red...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/48H01L51/46H01L51/42
CPCH10K71/00H10K85/30H10K30/30Y02E10/549
Inventor 孙越林纲正陈刚
Owner ZHEJIANG AIKO SOLAR ENERGY TECH CO LTD