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Polymide solar cell and preparation method thereof

A technology of solar cells and polyimide, which is applied in the field of solar cells, can solve the problems of diffusion barrier blocking effect and unsatisfactory bonding force, and achieve the effects of reducing damage, improving performance, and improving battery performance

Active Publication Date: 2016-01-13
CHENGDU SCI & TECH DEV CENT CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The main purpose of the present invention is to provide a kind of polyimide solar cell and preparation method thereof for the blocking effect and the unsatisfactory problem of the bonding force of the diffusion barrier layer of the polyimide solar cell existing in the above-mentioned prior art, and At the same time, the invention provides a polyimide solar cell diffusion barrier layer

Method used

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  • Polymide solar cell and preparation method thereof
  • Polymide solar cell and preparation method thereof
  • Polymide solar cell and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Example 1 This example is about a polyimide solar cell, a diffusion barrier layer and a preparation method.

[0047] The polyimide solar cell has the following structure: the base 1 is polyimide; the diffusion barrier layer 2 is a three-layer structure with a thickness of 1200nm, wherein the base layer 201 is titanium, the middle layer 202 is titanium nitride, and the first layer 202 is titanium nitride. The electrode layer 203 is titanium; the first electrode layer 3 is molybdenum; the absorption layer 4 is a copper indium gallium selenide film; the buffer layer 5 is cadmium sulfide; the second electrode layer 6 is zinc oxide doped with aluminum; the antireflection layer 7 is magnesium fluoride ; The surface electrode layer 8 is nickel / aluminum / nickel.

[0048] Preparation:

[0049] (1) Treatment of polyimide substrate 1: The surface of the polyimide foil substrate is very flat and the surface roughness is very small, so surface polishing is not required, and two surf...

Embodiment 2

[0066] Example 2 This example is about polyimide solar cells and diffusion barriers

[0067] Polyimide solar cell, the structure is: the substrate 1 is polyimide; the diffusion barrier layer 2 is a three-layer structure with a thickness of 1200nm, wherein the layer 201 close to the base is titanium, the middle layer 202 is silicon carbide, and the layer 202 is close to the first electrode The layer 203 is chromium; the first electrode layer 3 is molybdenum; the absorption layer 4 is a copper indium gallium selenide film; the buffer layer 5 is cadmium sulfide; the second electrode layer 6 is zinc oxide doped with aluminum; the antireflection layer 7 is magnesium fluoride; The surface electrode layer 8 is nickel / aluminum / nickel.

Embodiment 3

[0068] Embodiment 3 This embodiment is a polyimide solar cell and a diffusion barrier

[0069] Polyimide solar cell structure: the substrate 1 is polyimide; the diffusion barrier layer 2 is a three-layer structure, the diffusion barrier layer 2 near the base layer 201 is titanium nitride, the middle layer 202 is tantalum nitride, and the first The electrode layer 203 is titanium nitride, the thickness of the diffusion barrier layer 2 is 3000nm; the first electrode layer 3 is molybdenum; the absorption layer 4 is a copper indium gallium selenide thin film; the buffer layer 5 is cadmium sulfide; the second electrode layer 6 is zinc oxide doped aluminum; the antireflection layer 7 is magnesium fluoride; the surface electrode layer 8 is nickel / aluminum / nickel.

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Abstract

The invention relates to the field of solar cells, and particularly relates to a polymide solar cell. The polymide solar cell comprises a polymide substrate, a diffusion barrier layer, a first electrode layer, an absorption layer, a buffer layer, a second electrode layer, an anti-reflection layer and a surface electrode layer, wherein the diffusion barrier layer, the first electrode layer, the absorption layer, the buffer layer, the second electrode layer, the anti-reflection layer and the surface electrode layer are formed on the polymide substrate in sequence, the diffusion barrier layer is in a structure with three or more layers, each layer of the diffusion barrier layer is prepared by materials randomly selecting from the following groups: aluminum, molybdenum, titanium, nickel, copper, zirconium, niobium, chromium, ruthenium, rhodium, palladium, tantalum, tungsten, iridium, osmium, platinum, gold or silver, or alloys thereof; nitrides, oxides or carbides of silicon; and titanium nitride, tantalum nitride, tungsten nitride or zirconium nitride. According to the polymide solar cell disclosed by the invention, the diffusion barrier layer can effectively prevent impurity elements of the substrate from getting into the absorption layer, and a binding force of the diffusion barrier layer with the substrate and the first electrode layer can be significantly improved. Meanwhile, the invention provides a preparation method of the polymide solar cell and a diffusion barrier layer of the polymide solar cell.

Description

technical field [0001] The invention belongs to the technical field of solar cells, in particular to a polyimide solar cell and a preparation method thereof. Background technique [0002] With the continuous increase of human energy consumption, the depletion of non-renewable energy sources such as fossil fuels has become an urgent problem to be solved. The total consumption of fossil energy will reach an inflection point around 2030, and the proportion of renewable energy will continue to rise. Among them, the proportion of solar energy in the future energy structure will become larger and larger. It is conservatively estimated that this proportion will exceed 60% in 2100. . Solar energy is the most abundant energy among many renewable energy sources. The energy of global sunlight for one hour is equivalent to the energy consumption of the earth for a year, which is much higher than wind energy, geothermal energy, hydropower, ocean energy, biomass energy and other energy s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/0392H01L31/0749H01L31/18
CPCY02E10/541Y02P70/50
Inventor 何绪林梅军廖成刘江叶勤燕刘焕明
Owner CHENGDU SCI & TECH DEV CENT CHINA ACAD OF ENG PHYSICS