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Semitransparent thin film solar cell and preparation method thereof

A solar cell and semi-transparent technology, applied in the field of solar cells, can solve the problems of low transparency and light transmittance, and achieve the effects of reducing pinhole effect, easy transmission, and improving transparency and light transmittance

Active Publication Date: 2017-08-18
CNBM CHENGDU OPTOELECTRONICS MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitations of the translucent thin-film solar device structure and transparent electrodes, its transparency and light transmittance are low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] A method for preparing a translucent thin-film solar cell, comprising:

[0054] 1) Depositing a transparent oxide layer on a transparent substrate made of glass to obtain a first preform, the transparent conductive film being a transparent conductive oxide;

[0055]2) depositing a semiconductor layer on the transparent conductive layer to obtain a second preform, the semiconductor layer comprising an N-type semiconductor layer and a P-type semiconductor layer; the N-type semiconductor layer is a CdS layer, and the water bath method conditions: The temperature of the water bath method is less than 100°C; the P-type semiconductor layer is a CdTe layer and a ZnTe layer, and the CdTe layer is deposited by an electroplating method. Described ZnTe layer, described magnetron sputtering method condition: sputtering gas pressure is 0.2~60Pa;

[0056] 3) The semiconductor layer is sprayed or rolled with CdCl 2 After the solution is dried, the compound salt layer on the surface ...

Embodiment 2

[0061] A method for preparing a translucent thin-film solar cell, comprising:

[0062] 1) Depositing a transparent oxide layer on a transparent substrate made of glass to obtain a first preform, the transparent conductive film being a transparent conductive oxide;

[0063] 2) depositing a semiconductor layer on the transparent conductive layer to obtain a second preform, the semiconductor layer comprising an N-type semiconductor layer and a P-type semiconductor layer; the N-type semiconductor layer is a CdS layer, and the water bath method conditions: The temperature of the water bath method is <100°C; the P-type semiconductor layer is a CdTe layer, a ZnTe layer and a CdZnTe layer, and the CdTe layer is deposited by electroplating, and the conditions of the electroplating method: the temperature of the electroplating method is <100°C, and magnetron sputtering is used The method deposits the ZnTe layer, the magnetron sputtering method condition: the sputtering gas pressure is 0...

Embodiment 3

[0069] A method for preparing a translucent thin-film solar cell, comprising:

[0070] 1) Depositing a transparent oxide layer on a transparent substrate made of glass to obtain a first preform, the transparent conductive film being a transparent conductive oxide;

[0071] 2) depositing a semiconductor layer on the transparent conductive layer to obtain a second preform, the semiconductor layer comprising an N-type semiconductor layer and a P-type semiconductor layer; the N-type semiconductor layer is a CdS layer, and the water bath method conditions: The temperature of the water bath method is <100°C; the P-type semiconductor layer is a CdTe layer, and the CdTe layer is deposited by an electroplating method, and the conditions of the electroplating method: the temperature of the electroplating method is <100°C;

[0072] 3) Spray or roll coat the semiconductor layer with NH 4 Cl and ZnCl 2 After the solution is dried, the compound salt layer on the surface of the semiconduct...

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Abstract

The invention discloses a semitransparent thin film solar cell. The semitransparent thin film solar cell is sequentially provided with a transparent substrate, a transparent conductive film, semiconductor layers and a back contact electrode layer; and the semiconductor layers includes an N-type semiconductor layer and a P-type semiconductor layer; and the back contact electrode layer includes metal back contact electrodes, wherein the metal back contact electrodes can be one kind or a plurality of kinds of electrodes selected from a gold back contact electrode, a copper back contact electrode and a copper-gold alloy back contact electrode. The semitransparent thin film solar cell of the invention has high transparency and high light transmittance.

Description

technical field [0001] The invention relates to the technical field of solar cells, in particular to a translucent thin-film solar cell and a preparation method thereof. Background technique [0002] In recent years, with the development of the world economy and the growth of population, the need for clean energy has become more and more intense. Solar energy is a clean, non-polluting, inexhaustible and inexhaustible renewable energy that does not produce any environmental pollution. Among the effective utilization of solar energy, solar photovoltaic utilization is the fastest growing and most dynamic research field in recent years, and it is one of the most watched projects. To this end, people have researched and developed solar cells. Among them, thin-film solar cells have a series of advantages such as power generation under weak light conditions, low energy consumption in the production process, and can greatly reduce raw material and manufacturing costs. They have be...

Claims

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Application Information

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IPC IPC(8): H01L31/0445H01L31/0224H01L31/0296H01L31/0216H01L31/18
CPCH01L31/02167H01L31/022441H01L31/0296H01L31/0445H01L31/1876Y02E10/50Y02P70/50
Inventor 马立云彭寿潘锦功殷新建伏进文
Owner CNBM CHENGDU OPTOELECTRONICS MATERIAL
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