Preparation method for front electrode of organic thin film solar cell

A technology of solar cells and organic thin films, applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of toxicity, rapid increase in resistivity, and high production costs, and achieve the effect of overcoming the low absorption efficiency of infrared bands and improving efficiency

Active Publication Date: 2016-07-27
山西阳泰龙焱能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, they also have their own defects. The preparation cost of ITO is high, the substrate size is small, toxic, and the resistivity increases rapidly at high temperature.
FTO has the disadvantages of large resistance and low pass rate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The present embodiment provides a kind of preparation method of the front electrode of organic thin film solar cell, it comprises the following steps:

[0018] (a) Take a glass slide (1cm×1cm) as the substrate, put it into the magnetron sputtering reaction chamber after drying, and use the radio frequency magnetron sputtering equipment to grow the AZO film. The specific parameters are: the temperature of the chamber during sputtering at 30°C, the sputtering pressure is 5×10 -4 Pa, the sputtering atmosphere is argon atmosphere, the thickness of the sputtered film is 50nm, the sputtering power is 120w, and the sputtering time is 20min;

[0019] (b) Add polyvinylpyrrolidone, 1-methyl-3-ethylimidazolium bromide and ethylene glycol in the reaction kettle to form a mixed solution; then add the ethylene glycol solution of silver nitrate to it, seal and place React at 100°C for 5 hours, then centrifuge, wash, and ultrasonically disperse to obtain an aqueous solution of silver ...

Embodiment 2

[0024] The present embodiment provides a kind of preparation method of the front electrode of organic thin film solar cell, it comprises the following steps:

[0025] (a) Take a glass slide (1cm×1cm) as the substrate, put it into the magnetron sputtering reaction chamber after drying, and use the radio frequency magnetron sputtering equipment to grow the AZO film. The specific parameters are: the temperature of the chamber during sputtering at 5°C, the sputtering pressure is 1×10 -4 Pa, the sputtering atmosphere is argon atmosphere, the thickness of the sputtered film is 30nm, the sputtering power is 100w, and the sputtering time is 10min;

[0026] (b) Add polyvinylpyrrolidone, 1-methyl-3-ethylimidazolium bromide and ethylene glycol in the reaction kettle to form a mixed solution; then add the ethylene glycol solution of silver nitrate to it, seal and place React at 120°C for 1 hour, then centrifuge, and ultrasonically disperse to obtain an aqueous solution of silver nanowire...

Embodiment 3

[0031] The present embodiment provides a kind of preparation method of the front electrode of organic thin film solar cell, it comprises the following steps:

[0032] (a) Take a glass slide (1cm×1cm) as the substrate, put it into the magnetron sputtering reaction chamber after drying, and use the radio frequency magnetron sputtering equipment to grow the AZO film. The specific parameters are: the temperature of the chamber during sputtering at 20°C, the sputtering pressure is 2×10 -4 Pa, the sputtering atmosphere is argon atmosphere, the thickness of the sputtered film is 40nm, the sputtering power is 110w, and the sputtering time is 15min;

[0033] (b) Add polyvinylpyrrolidone, 1-methyl-3-ethylimidazolium bromide and ethylene glycol in the reaction kettle to form a mixed solution; then add the ethylene glycol solution of silver nitrate to it, seal and place React at 110°C for 2 hours, then centrifuge, and ultrasonically disperse to obtain an aqueous solution of silver nanowi...

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PUM

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Abstract

The invention relates to a preparation method for a front electrode of an organic thin film solar cell. The preparation method comprises the following steps of (a) taking a glass slide as the substrate, and sputtering an AZO thin film on the substrate; (b) adding polyvinyl pyrrolidone, 1-methyl-3 ethyl imidazolium bromide and ethylene glycol into a reaction kettle to form a mixed solution; next, adding an ethylene glycol solution of silver nitrate to the mixed solution, sealing and placing the mixed solution at a temperature of 100-120 DEG C to react for 1-5h, then carrying out centrifuging, cleaning and carrying out ultrasonic dispersion on the mixed solution to obtain a silver nanowire water solution; (c) adding a chloroauric acid solution and an oxidizing agent to the silver nanowire water solution to react at a temperature of 5-30 DEG C for 5-10min, next, adding a reducing agent to the mixture to continue to react for 5-10min; then centrifuging, washing and evaporating the mixture to remove water, and drying the mixture to obtain a gold-coated silver nanowire; (d) dispersing the gold-coated silver nanowire into an isopropanol solution, and then coating the surface of the AZO thin film with the processed isopropanol solution in a spin-coating manner to a obtain a composite layer sample; and (e) sputtering the AZO thin film on the surface of the composite layer sample. By adoption of the preparation method, the efficiency of the organic thin film solar cell is improved.

Description

technical field [0001] The invention belongs to the field of solar cell devices, and relates to a method for preparing a front electrode of a solar cell, in particular to a method for preparing a front electrode of an organic thin film solar cell. Background technique [0002] At present, transparent film materials with good conductivity and light transmission include ITO (tin-doped indium oxide) transparent conductive film and FTO (fluorine-doped tin oxide) transparent conductive film, which have good light transmission in the visible light wavelength range. sex. However, they also have their own defects. ITO has high preparation cost, small substrate size, toxicity, and rapid increase in resistivity at high temperature. FTO has the disadvantages of large resistance and low pass rate. [0003] Silver nanoparticles exhibit excellent physical and chemical properties in the fields of electricity, optics, surface catalysis, and sensing, and can be used as dielectric materials...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/48H01L51/44B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00H10K71/60H10K30/81Y02E10/549
Inventor 雷涛刘玲玲田丙伦王飞赛博瑞·麦格
Owner 山西阳泰龙焱能源科技有限公司
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