High-efficiency stable large-area semitransparent perovskite solar cell and preparation method thereof

A solar cell and perovskite technology, applied in semiconductor/solid-state device manufacturing, circuits, photovoltaic power generation, etc., can solve the problems of low power conversion efficiency, low power conversion efficiency, small active area, etc., to improve battery performance and repeatability properties, reduce defects and losses, and smooth the surface of the film

Pending Publication Date: 2022-02-11
JINAN UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, to date, the development of large-area semitransparent perovskite solar cells has been limited by their low power conversion efficiency, poor stability, and relatively small active area.
[0003] At present, due to the thickness of the interface layer of large-area translucent perovskite solar cells at the nanometer level, it is difficult to prepare uniform, flat, and pinhole-free films in the range of several nanometers when processing large-area interface layer films by solution. interface layer, resulting in a reduction in its power conversion efficiency
At the same time, the preparation of transparent electrodes with low square resistance and high transmittance usually adopts the magnetron sputtering process. The active layer causes damage, affecting the efficiency and yield of the battery
In addition, the performance of the battery will be affected by adverse factors such as external moisture, air, and temperature during operation.

Method used

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  • High-efficiency stable large-area semitransparent perovskite solar cell and preparation method thereof
  • High-efficiency stable large-area semitransparent perovskite solar cell and preparation method thereof
  • High-efficiency stable large-area semitransparent perovskite solar cell and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0039] refer to Figure 4 , is a kind of highly efficient and stable large-area translucent perovskite solar cell disclosed in the present application, comprising a conductive substrate layer 1, and a hole transport layer 2 is formed on the surface of the conductive substrate layer 1 after laser scribing treatment; A perovskite light-absorbing layer 3 is formed on the surface of the hole transport layer 2; an electron transport layer 4 is formed on the surface of the perovskite light-absorbing layer 3; a sputtering buffer double layer 5 is formed on the surface of the electron transport layer 4; the sputtering buffer double layer 5 includes a The seed layer 50 formed on the surface of the electron transport layer 4 by the solution method and the ALD atomic layer 6 formed on the surface of the seed layer 50 through the self-limiting chemical reaction of the atomic layer deposition precursor and the co-reactant; on the sputtering buffer double layer 5 The perovskite light-absorb...

Embodiment 2

[0056] The difference between embodiment 2 and embodiment 1 is:

[0057] A method for preparing an efficient and stable large-area translucent perovskite solar cell, the preparation of a large-area translucent perovskite solar cell with a substrate size of 5.7*5.7 square centimeters, such as Figure 4 Schematic diagram of the structure of a large-area semitransparent perovskite solar cell shown in the cell, Figure 5 and Figure 6 They are the area measurement diagram and the actual effect diagram of the large-area translucent perovskite solar cell, including the following steps:

[0058] (1) Clean the substrate

[0059] The transparent conductive glass ITO (indium tin oxide) was ultrasonically cleaned by a mixed solution prepared by hellmanex III cleaning solution and deionized water at a ratio of 1:20, deionized water, ethanol, and isopropanol for 15 minutes, then dried, and then subjected to oxygen plasma After processing for 10 minutes, the ITO glass substrate layer is ...

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Abstract

The invention relates to the technical field of perovskite solar cells, in particular to a high-efficiency stable large-area semitransparent perovskite solar cell and a preparation method thereof. Thehigh-efficiency stable large-area semitransparent perovskite solar cell comprises a conductive substrate layer, a hole transport layer, a perovskite light absorption layer, an electron transport layer, an ALD seed crystal layer, an ALD atomic layer and a TCO transparent electrode are sequentially formed on the surface of the conductive substrate layer, and the ALD seed crystal layer and the ALD atomic layer form a sputtering buffer double layer. According to the high-efficiency stable large-area semitransparent perovskite solar cell provided by the invention, the efficiency and the stability of the large-area semitransparent perovskite solar cell are greatly improved under the condition that the active area of the cell is relatively large, and technical reserve is provided for commercialization of the large-area semitransparent perovskite solar cell in the future; and the solar cell can be applied to the fields of building photovoltaic integration, laminated cells and the like.

Description

technical field [0001] The present application relates to the technical field of perovskite solar cells, in particular to an efficient and stable large-area translucent perovskite solar cell and a preparation method thereof. Background technique [0002] Large-area translucent perovskite solar cells can be applied to building integrated photovoltaics (BIPV) due to their simple preparation process, low cost and light transmittance, or as top cells stacked with silicon, copper indium gallium selenide and other cells. layer has received more and more attention and research. However, to date, the development of large-area semitransparent perovskite solar cells has been limited by their low power conversion efficiency, poor stability, and relatively small active area. [0003] At present, due to the thickness of the interface layer of large-area translucent perovskite solar cells at the nanometer level, it is difficult to prepare uniform, flat, and pinhole-free films in the rang...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/44H01L51/42H01L51/46H01L51/48
CPCH10K71/12H10K85/30H10K30/82H10K30/00Y02E10/549
Inventor 余柏浩杨玉照吴绍航麦耀华
Owner JINAN UNIVERSITY
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