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A kind of preparation method of zinc oxide absorbing thin film

A technology of absorbing thin film and zinc oxide, which is applied in the field of solar cells, can solve the problems of low photoelectric conversion efficiency of solar cells, low short-circuit current of sensitized solar cells, and difficult adsorption of dyes, so as to improve photoelectric conversion efficiency, save time, The effect of easy access to equipment

Active Publication Date: 2017-11-07
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This preparation method is cumbersome and time-consuming, and the dye is not easy to be fully adsorbed on the zinc oxide nanocrystal, so that there are fewer photogenerated carriers, resulting in a lower short-circuit current of the dye-sensitized solar cell, and the photoelectricity of the final solar cell. low conversion efficiency

Method used

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  • A kind of preparation method of zinc oxide absorbing thin film
  • A kind of preparation method of zinc oxide absorbing thin film
  • A kind of preparation method of zinc oxide absorbing thin film

Examples

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Embodiment 1

[0026] A kind of preparation method of zinc oxide absorption thin film, concrete steps are as follows:

[0027] In this embodiment, ITO conductive glass is used as the conductive substrate, and eosin Y is used as the dyestuff.

[0028] (1) The conductive substrate was placed in acetone, ethanol and deionized water for ultrasonic cleaning, and then cleaned with N 2 Blow dry to obtain a clean conductive substrate;

[0029] (2) At room temperature, immerse the cleaned conductive substrate in the first mixed solution, and then immerse in deionized water to obtain the first conductive substrate. The composition and concentration of the first mixed solution are as follows: 1g / l SnCl 2 and 0.01mol / l HCl;

[0030] (3) At room temperature, first immerse the first conductive substrate in 1g / lAgNO 3 , and then immersed in the second mixed solution, finally the surface of the non-conductive flexible substrate absorbs a sufficient amount of Pd particles, and then the second conductive ...

Embodiment 2

[0038] A kind of preparation method of zinc oxide absorption thin film, concrete steps are as follows:

[0039] In this embodiment, FTO conductive glass is used as the conductive substrate, and rose red is used as the dyestuff.

[0040] (1) The conductive substrate was placed in acetone, ethanol and deionized water for ultrasonic cleaning, and then cleaned with N 2 Blow dry to obtain a clean conductive substrate;

[0041] (2) At room temperature, immerse the cleaned conductive substrate in the first mixed solution, and then immerse in deionized water to obtain the first conductive substrate. The composition and concentration of the first mixed solution are as follows: 10g / l SnCl 2 and 0.03mol / l HCl;

[0042] (3) At room temperature, first immerse the first conductive substrate in 5g / l AgNO 3 immerse in the second mixed solution, and then get the second conductive substrate after rinsing in deionized water. The composition and concentration of the second mixed solution are ...

Embodiment 3

[0050] A kind of preparation method of zinc oxide absorption thin film, concrete steps are as follows:

[0051] In this embodiment, stainless steel foil conductive glass is used as the conductive substrate, and bromophenol blue is used as the dyestuff.

[0052](1) The conductive substrate was placed in acetone, ethanol and deionized water for ultrasonic cleaning, and then cleaned with N 2 Blow dry to obtain a clean conductive substrate;

[0053] (2) At room temperature, immerse the cleaned conductive substrate in the first mixed solution, and then immerse in deionized water to obtain the first conductive substrate. The composition and concentration of the first mixed solution are as follows: 5g / l SnCl 2 and 0.02mol / l HCl;

[0054] (3) At room temperature, first immerse the first conductive substrate in 3g / l AgNO 3 in, then immersed in the second mixed solution, and then soaked in deionized water to obtain the second conductive substrate, the composition and concentration o...

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Abstract

A method for preparing a zinc oxide absorbing film, the specific steps are as follows: ultrasonic cleaning of a conductive substrate and N2 drying to obtain a cleaned conductive substrate; immersing the cleaned conductive substrate in a first mixed solution to obtain a first conductive substrate , the composition of the first mixed solution is SnCl2 and HCl; the first conductive substrate is first immersed in the AgNO3 solution, and then immersed in the second mixed solution to obtain the second conductive substrate, and the composition of the second mixed solution is PdCl2 and HCl; The second conductive substrate is immersed in the 3rd mixed solution, obtains the 3rd conductive substrate, and the composition of described 3rd mixed solution is Zn(NO3) 2, dimethylaminoborane and dyestuff; The third conductive After the substrate is dried, the zinc oxide absorbing film is obtained. The preparation method of the invention does not need a vacuum and high temperature environment, has simple process, easy-to-obtain equipment and low energy consumption, is suitable for large-scale industrial production, and can be widely used in the field of dye-sensitized solar cells.

Description

technical field [0001] The invention belongs to the technical field of solar cells, and in particular relates to a preparation method of a zinc oxide absorbing thin film. Background technique [0002] With the rapid development of science and technology and the rapid increase of the world population, the global energy demand is increasing year by year, and vigorously developing solar cells will be one of the most important ways to solve the future world energy crisis. Dye-sensitized solar cell, as a new type of solar cell, has become a research hotspot in various countries due to its rich source of raw materials, low cost, simple production process and low energy consumption. Zinc oxide is a wide-bandgap (3.3eV) semiconductor material, which has the advantages of good optical properties, high electron mobility, abundant sources, and good thermal stability. It is very suitable as a photoanode for dye-sensitized solar cells. [0003] The zinc oxide absorbing film of the tradi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/048H01G9/20
CPCY02E10/542
Inventor 黄瀛沈晓明何欢符跃春覃嘉媛
Owner GUANGXI UNIV