Manufacturing method and system of large-area perovskite solar cell

Abstract

The invention provides a manufacturing method of a large-area perovskite solar cell. The method comprises the steps of making a line on FTO glasses by laser, preparing a cavity transmission layer, preparing lead iodide or lead chloride in a first evaporating chamber, preparing methyl amine iodine in a second evaporating chamber, forming a perovskite film through reaction, preparing an electronic transmission layer by a spray method, making a line P2 by laser, preparing a metal electrode, and making a line P3 by laser to form a large-area perovskite component. The invention also provides a manufacturing system of a large-area perovskite solar cell. The system comprises a sample introduction chamber, the first evaporating chamber, the second evaporating chamber, a cavity transmission layer preparation room, and a metal electrode preparation room. The large-area uniformity and preparation rate of the perovskite solar cell can be greatly improved.

Description

【Technical field】 [0001] The invention relates to the technical field of solar cells, in particular to a method and system for preparing large-area perovskite solar cells. 【Background technique】 [0002] Perovskite solar cells are developing very rapidly. Since the first solid-state perovskite solar cells were prepared in 2012, the efficiency has been 9.7%, and the efficiency has risen very fast. So far, the efficiency of small-area perovskite solar cells has reached 21%. , but these high-efficiency batteries are all prepared by spin-coating method, which does not have the potential for large-scale industrialization. In 2014, Oxford University developed a thermal evaporation method to prepare perovskite solar cells with an efficiency of 15%. This method is suitable for industrialization, but there are still problems with large-area uniformity. [0003] Therefore, it is necessary to provide an improved technical solution to overcome the above problems. 【Content of inventio...

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Problems solved by technology

[0002] Perovskite solar cells are developing very rapidly. Since the first solid-state perovskite solar cells were prepared in 2012, the efficiency has been 9.7%, and the efficiency has risen very fast. So far, the efficiency of small-area perovskite solar cells has reached 21%. , but these high-efficiency batteries are all prepared by spin-coating method, which does not have the potential for large-scale industrialization

In 2014, Oxford University developed the use of thermal evaporation to prepare perovskite solar cells with an efficiency of 15%. This method is suitable for industrialization, but there are still problems with large-area uniformity.

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