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An organic-inorganic perovskite thin-film solar cell based on an n-type bismuth-based electron collection layer and its preparation method

An electron collection layer, solar cell technology, applied in organic semiconductor devices, circuits, photovoltaic power generation, etc., can solve the problems of low material selectivity, complex production process, high price, etc., and achieve good hydrophobic performance, abundant resources, high performance stable effect

Active Publication Date: 2017-09-01
WUHAN IND INST FOR OPTOELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problems pointed out in the background technology and the deficiencies in the prior art, the object of the present invention is to provide an organic-inorganic perovskite thin-film solar cell based on an N-type bismuth-based electron collection layer and a preparation method thereof to solve the current problems. There are technical problems in organic-inorganic perovskite thin-film solar cells with few options for N-type electron collection layer materials, high prices, poor stability, and complex production processes

Method used

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  • An organic-inorganic perovskite thin-film solar cell based on an n-type bismuth-based electron collection layer and its preparation method
  • An organic-inorganic perovskite thin-film solar cell based on an n-type bismuth-based electron collection layer and its preparation method
  • An organic-inorganic perovskite thin-film solar cell based on an n-type bismuth-based electron collection layer and its preparation method

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Embodiment 1

[0045] A method for preparing an organic-inorganic perovskite thin-film solar cell based on an N-type bismuth-based electron collection layer in this embodiment includes the steps of preparing a P-type hole conducting layer and the preparation of a P-type organic-inorganic perovskite absorbing layer. Preparation steps, preparation steps of N-type bismuth-based electron collection layer, deposition steps of metal electrode layer:

[0046] 1. The preparation steps of the P-type hole conducting layer: depositing the P-type hole conducting layer 2 on the transparent conductive substrate 1 by spin coating;

[0047] The transparent conductive substrate is ITO conductive glass, the thickness of the ITO conductive layer is 200nm, and the thickness of the glass substrate is 1mm;

[0048] The P-type hole conduction layer is NiO material with a thickness of 60nm;

[0049] Weigh 0.248g of nickel acetate tetrahydrate and dissolve it in 12.4g of 2-methoxyethanol, then add 0.1ml of monoetha...

Embodiment 2

[0058] A method for preparing an organic-inorganic perovskite thin-film solar cell based on an N-type bismuth-based electron collection layer in this embodiment includes the steps of preparing a P-type hole conducting layer, and the preparation of a P-type organic-inorganic perovskite absorbing layer. Preparation steps, preparation steps of N-type bismuth-based electron collection layer, deposition steps of metal electrode layer:

[0059] 1. The preparation steps of the P-type hole conducting layer: depositing the P-type hole conducting layer 2 on the transparent conductive substrate 1 by spin coating;

[0060] The transparent conductive substrate is ITO conductive glass, the thickness of the ITO conductive layer is 200nm, and the thickness of the glass substrate is 1mm;

[0061] The P-type hole conduction layer is NiO material with a thickness of 20nm;

[0062] Weigh 0.248g of nickel acetate tetrahydrate and dissolve it in 12.4g of 2-methoxyethanol, then add 0.1ml of monoeth...

Embodiment 3

[0073] A method for preparing an organic-inorganic perovskite thin-film solar cell based on an N-type bismuth-based electron collection layer in this embodiment includes the steps of preparing a P-type hole conducting layer and the preparation of a P-type organic-inorganic perovskite absorbing layer. Preparation steps, preparation steps of N-type bismuth-based electron collection layer, metal electrode layer deposition steps:

[0074] 1. The preparation steps of the P-type hole conducting layer: depositing the P-type hole conducting layer 2 on the transparent conductive substrate 1 by spin coating;

[0075] The transparent conductive substrate is ITO conductive glass, the thickness of the ITO conductive layer is 200nm, and the thickness of the glass substrate is 1mm;

[0076] The P-type hole conduction layer is NiO material with a thickness of 60nm;

[0077] Weigh 0.248g of nickel acetate tetrahydrate and dissolve it in 12.4g of 2-methoxyethanol, then add 0.1ml of monoethanol...

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Abstract

The invention relates to an organic-inorganic perovskite thin-film solar cell based on an N-type bismuth-based electron collection layer and a preparation method thereof, belonging to the technical field of photoelectric materials and thin-film solar cell preparation. An organic-inorganic perovskite thin-film solar cell based on an N-type bismuth-based electron collection layer of the present invention comprises a transparent conductive substrate 1 and a P-type hole conduction layer 2 sequentially deposited thereon, a P-type organic-inorganic Perovskite absorption layer 3, N-type bismuth-based electron collection layer 4, and back electrode layer 5, the material of the N-type bismuth-based electron collection layer 4 is Bi2S3 or Bi / Bi2S3, wherein, the Bi2S3 is crystalline or amorphous state. The N-type bismuth-based electron collection layer material of the present invention is rich in resources, does not contain toxic components, has good hydrophobicity, and can effectively replace traditional PCBM or ZnO materials, and the organic-inorganic perovskite thin-film solar cells composed of it have stable performance. The best photoelectric conversion efficiency can reach 13%.

Description

technical field [0001] The invention belongs to the technical field of photoelectric materials and thin-film solar cell preparation, and relates to an organic-inorganic perovskite thin-film solar cell, more specifically, the invention relates to an organic-inorganic perovskite based on an N-type bismuth-based electron collection layer Mineral thin film solar cell and its preparation method. Background technique [0002] With the development of the economy, the demand for energy has increased sharply, the depletion of non-renewable energy and the environmental pollution caused by the combustion of fossil fuels have become more prominent. Solar cells, as a clean and pollution-free new energy source, have received a lot of attention. As a research hotspot in recent years, perovskite thin-film solar cells have rapidly exceeded 20% in photoelectric conversion efficiency and achieved a certified efficiency of 20.1% in just over four years, see Woon Seok Yang et al. "High- perform...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/44H01L51/48
CPCH10K71/00H10K30/80H10K30/87H10K2102/00Y02E10/549Y02P70/50
Inventor 唐江李登兵胡龙
Owner WUHAN IND INST FOR OPTOELECTRONICS