Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Chemical bath deposition method of cadmium sulfide film and device thereof

A technology of chemical water bath and cadmium sulfide, applied in the direction of liquid chemical plating, coating, electrical components, etc., can solve the problems of affecting appearance, high energy consumption, unsuitable for continuous production, etc., and achieve improved aesthetics, low energy consumption, The effect of ensuring uniformity and compactness

Active Publication Date: 2013-09-25
BEIJING SIFANG JIBAO AUTOMATION
View PDF4 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional chemical water bath method often requires a constant temperature water bath device and uses mechanical stirring or ultrasonic assisted deposition, which consumes a lot of energy and is not suitable for continuous production. A thin film also grows on the back, affecting the appearance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Chemical bath deposition method of cadmium sulfide film and device thereof
  • Chemical bath deposition method of cadmium sulfide film and device thereof
  • Chemical bath deposition method of cadmium sulfide film and device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0047] (1) Clean the substrate: clean the soda-lime glass substrate, and then dry it;

[0048] (2) Install the substrate: place the substrate on the fixture, and set the angle between the substrate and the horizontal plane at 15°;

[0049] (3) Preheat the substrate: heat the thermostat to preheat the substrate temperature to within 75°C±10°C;

[0050] (4) Preparation solution: Mix 2mM cadmium sulfate, 0.5mM ammonia water, 20mM ammonium chloride, 30mM thiourea and deionized water to make a reaction solution, and then mix it into the reaction container;

[0051] (5) Reactive deposition: pump out the reaction solution with a water pump, the reaction solution flows through the heater and is rapidly heated to a reaction temperature of 75°C at 20°C / s, and then flows through the drenching tank and continuously overflows; the reaction solution is deposited on the substrate Spread evenly and continue to flow, the total reaction time is 30min;

[0052] (6) Subsequent processing: After...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a chemical bath deposition method of a cadmium sulfide film and a device thereof. The method comprises the following steps: (1) cleaning a substrate and blow-drying; (2) installing the substrate; (3) preheating the substrate; (4) preparing a solution; (5) reacting and depositing; and (6) carrying out subsequent processing: washing the coated substrate by the use of deionized water and blow-drying or drying. The device comprises a reaction vessel and a thermotank. A diffuse spray groove, a substrate, a special fixture and a transmission unit are all placed inside the thermotank. A reaction solution flows through a heater and is then injected into the diffuse spray groove. The transmission unit is arranged at the bottom of the special fixture and the substrate. According to the invention, a thermostatic waterbath device, a stirring device and ultrasonic-assisted deposition are not adopted; the method provided by the invention is suitable for continuous production; production efficiency is raised; only one side of the substrate is coated, and aesthetic degree after the substrate is coated is improved; the deposited cadmium sulfide film is uniform and compact; film formation quality is high; and thin-film solar cell buffer layer requirements are met.

Description

technical field [0001] The application belongs to the technical field of thin-film solar cells, and specifically relates to a method and device for depositing cadmium sulfide thin films in a chemical water bath, which is mainly used in the preparation technology of copper indium gallium selenium thin film solar cells. Background technique [0002] Copper indium gallium selenide (CIGS) thin-film solar cells have the characteristics of wide spectral response range, high photoelectric conversion efficiency, good power generation efficiency, no fading, radiation resistance, long life, and low cost. After nearly 30 years of research and development, its photoelectric conversion efficiency is the highest among all known thin-film solar cells, and it has become one of the most promising photovoltaic cell technologies. As a buffer layer, the cadmium sulfide film and the CIGS absorber film together form a p-n junction, which plays a very important role in improving the performance of...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/00H01L31/18
CPCY02P70/50
Inventor 张宁张涛余新平张至树徐刚
Owner BEIJING SIFANG JIBAO AUTOMATION
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com