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Compact cadmium sulfide thin film preparation device and method

A cadmium sulfide, thin film technology, applied in liquid chemical plating, metal material coating process, coating and other directions, can solve the problems of inability to remove large particles and dirt, large magnetic agitation, poor sample results, etc., to reduce The effect of large particles and other impurities, low cost and easy operation

Inactive Publication Date: 2015-12-09
XIAN JIAOTONG LIVERPOOL UNIV
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Problems solved by technology

[0005] In the existing chemical water bath method for preparing cadmium sulfide film, the magnetic stirrer is convenient for the reactants to mix and stir evenly in a sealed state, but the stirring range of the magnetic force is relatively large. Large, the frequency is too low to remove large particles and dirt on the sample, resulting in poor sample results

Method used

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  • Compact cadmium sulfide thin film preparation device and method
  • Compact cadmium sulfide thin film preparation device and method

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Embodiment 1

[0032] Embodiment 1: refer to figure 1 Shown is a device for preparing a dense cadmium sulfide film. The device has a length of 10-20 cm, a width of 10-20 cm, and a height of 30-50 cm. The main materials used are aluminum and stainless acid-resistant steel.

[0033] The device that the present invention prepares compact cadmium sulfide thin film comprises sequentially arranged from top to bottom:

[0034] Water tank 1, at least one 500mL beaker can be put into the water tank 1, and water 2 and reaction vessel 3 are housed inside the water tank 1, and at least one substrate 4 and reaction solution placed horizontally or vertically in the reaction vessel 3 are housed in the reaction vessel 3 5 and magnet 6, and four ultrasonic vibrators 7 are set at the bottom of the water tank 1 at the same time, and the ultrasonic vibrators 7 are placed in a dry and clean environment. At the same time, the ultrasonic vibrators 7 are detachable, and different frequencies can be replaced. ...

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Abstract

The invention discloses a compact cadmium sulfide thin film preparation device. The compact cadmium sulfide thin film preparation device comprises a water tank, a magnetic stirrer and an ultrasonic generator which are sequentially arranged from top to bottom, wherein the water tank contains water and is internally provided with a reaction vessel, the reaction vessel is internally provided with at least one substrate and a magnon and contains a reaction solution, and meanwhile, at least one ultrasonic vibrator is arranged at the bottom of the water tank, or an ultrasonic vibrating plate is arranged in the water tank; the magnetic stirrer is arranged at the bottom of the water tank and is used for controlling the temperature of the reaction solution and the rotating speed of the magnon; and the ultrasonic generator is arranged below the magnetic stirrer. The compact cadmium sulfide thin film preparation device has the advantages that the compact cadmium sulfide thin film preparation device is simple in operation, high in finished product quality, low in cost and high in stability, can realize uniform and sufficient stirring of the reaction solution in chemical bath deposition, can also reduce the adhesion of large particles and clusters and is conductive to the growth of uniform compact large-sized cadmium sulfide thin films.

Description

technical field [0001] The invention belongs to the technical field of film preparation, and in particular relates to a device and a method for preparing a dense cadmium sulfide film. Background technique [0002] Sulfide thin films have received extensive attention due to their potential applications in solar cells, solar photothermal conversion (such as solar absorbers), radiation selective filter layers for building glass windows, and conductive thin films of organic polymer materials. In addition, CdS is an important solar cell material, as a buffer layer of CdTe or CIGS surface solar cells, it can improve the interface state between CdTe / CdS / TCO or CIGS / CdS / TCO, protect the absorber layer CdTe or CIGS film, It plays a decisive role in improving the battery efficiency. Since CdS is a photoelectric material with a direct and intermediate bandgap, the gap energy band is about 2.4eV, and its absorption coefficient is as high as 104-105cm, so it is mainly used as a window m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/00
Inventor 吴京锦刘晨光赵策洲汤楚帆柳鋆
Owner XIAN JIAOTONG LIVERPOOL UNIV
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