Cu-Im-Ga-S-Se-sensitized semiconductor anode solar cell and preparation method thereof

A technology of copper indium gallium sulfide and solar cells, which is applied in the direction of semiconductor devices, circuits, electrical components, etc., can solve the problems that batteries cannot be used and are difficult to overcome, and achieve the effect of effective transmission and tight chemical combination

Active Publication Date: 2014-03-12
山东中科泰阳光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional dye-sensitized solar cells use organic dyes and liquid electrolytes, which lead to many inherent defects in the device itself that are difficult to overcome.
Long-term light stability of organic dye itself, long-term stability of chemical adsorption between organic dye and semiconductor particles, photocorrosion decomposition of organic dye on the surface of semiconductor particles, high-temperature volatilization of liquid electrolyte, corrosion of packaging materials by liquid electrolyte, liquid electrolyte It is difficult to overcome various inherent defects such as solidification at low temperature, which makes the battery unusable

Method used

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  • Cu-Im-Ga-S-Se-sensitized semiconductor anode solar cell and preparation method thereof
  • Cu-Im-Ga-S-Se-sensitized semiconductor anode solar cell and preparation method thereof

Examples

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Effect test

Embodiment 1

[0065] Such as figure 1 The all-solid copper indium gallium sulfur selenide sensitized semiconductor anode solar cell prepared in this example is shown, wherein: 1 is the back electrode, 2 is the copper indium gallium sulfur selenide sensitizing layer, 3 is the N-type semiconductor porous film, and 4 is the N-type transparent conductive film, 5 is a glass substrate, and the specific preparation method is as follows:

[0066] 1. Preparation of semiconductor anode porous membrane

[0067]1) Material selection and preparation of N-type transparent conductive film

[0068] In this example, AZO is selected as the N-type transparent conductive film material, and then ordinary soda-lime-silica glass is used as the substrate, and a transparent conductive AZO with a sheet resistance of less than 10Ω / □ and a transmittance higher than 85% is prepared by magnetron sputtering. The film is used for all-solid copper indium gallium sulfide selenide sensitized semiconductor anode solar cells...

Embodiment 2

[0081] 1. Preparation of semiconductor anode porous membrane

[0082] 1) Material selection and preparation of N-type transparent conductive film

[0083] In this example, FTO is selected as the N-type transparent conductive film material, and then ordinary soda-lime-silica glass is used as the substrate, and a transparent film with a sheet resistance of less than 10Ω / □ and a transmittance higher than 85% is prepared by a sol-gel film-making process. Conductive FTO film used in all-solid copper indium gallium sulfide selenide sensitized semiconductor anode solar cells;

[0084] 2) Selection of N-type wide bandgap semiconductor materials and preparation of micropowders

[0085] In this embodiment, ZnS is selected as the anode material of copper indium gallium sulfide selenide sensitized semiconductor anode solar cell, and the preparation method of its micropowder adopts sol-gel method. The specific operation steps and parameters are: mix 100ml of 0.2M zinc sulfate aqueous solu...

Embodiment 3

[0096] 1. Preparation of semiconductor anode porous membrane

[0097] 1) Material selection and preparation of N-type transparent conductive film

[0098] Select Zn in this embodiment 2 SnO 4 As an N-type transparent conductive film material, and then using ultra-white solar glass as a substrate, the transparent conductive Zn with a sheet resistance of less than 10Ω / □ and a transmittance higher than 85% was prepared by spray pyrolysis. 2 SnO 4 Thin films are used in all-solid copper indium gallium sulfide selenide sensitized semiconductor anode solar cells;

[0099] 2) Selection of N-type wide bandgap semiconductor materials and preparation of micropowders

[0100] In this embodiment, BiOCl is selected as the anode material of the copper indium gallium sulfide selenide sensitized semiconductor anode solar cell, and the preparation method of its micropowder adopts the micellar method, and the specific operation steps and parameters are as follows: 3.0g Bi(NO 3 ) 3 ·5H 2 ...

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Abstract

The invention relates to a Cu-Im-Ga-S-Se-sensitized semiconductor anode solar cell and a preparation method thereof. The solar cell comprises an N-type transparent conducting film and an N-type wide-band-gap semiconductor particle porous film which are formed on a glass substrate in sequence, a Cu-Im-Ga-S-Se-sensitized layer, and a back electrode; the Cu-Im-Ga-S-Se-sensitized layer is generated in holes and surface of the N-type wide-band-gap semiconductor particle porous film and is compounded with the N-type wide-band-gap semiconductor particle porous film; the back electrode is formed on the Cu-Im-Ga-S-Se-sensitized layer; the all-solid Cu-Im-Ga-S-Se-sensitized semiconductor anode solar cell does not contain organic dye and liquid electrolyte. Cu, Im, Ga, S and Se are generated in the holes and surface of the porous semiconductor anode, compact chemical combination between the porous semiconductor anode and the Cu, Im, Ga, S as well as Se can be realized, and effective transmission of photon-generated carriers in an interface is realized.

Description

technical field [0001] The invention belongs to the field of solar cell energy, and in particular relates to an all-solid copper indium gallium sulfide selenide sensitized semiconductor anode solar cell and a preparation method thereof. Background technique [0002] Energy and the environment are two strategic issues for the sustainable development of human society. With the continuous development of human society, the development and utilization of clean and renewable energy is becoming more and more important and urgent. Solar energy is a renewable energy that is clean, abundant, and not limited by regions. The effective development and utilization of solar energy is of great significance. Solar cells are one of the main forms of effective use of solar energy by humans. [0003] Sensitized solar cells have attracted widespread attention because of their low production cost, low equipment investment, low energy consumption, no need for vacuum, and simple process. It is exp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/0749H01L31/0224H01L31/18
CPCY02E10/50H01L31/022466H01L31/022475H01L31/0322H01L31/0749H01L31/18H01L31/1884Y02E10/541Y02P70/50
Inventor 黄富强王耀明朱小龙张雷李爱民秦明升刘战强谢宜桉
Owner 山东中科泰阳光电科技有限公司
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