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Electrochromatic material and its prepn

An electrochromic material and electrochromic technology are used in electrochromic materials and their preparation. Electroless plating is used to manufacture the electrochromic materials, which can solve problems such as expensive equipment and large space.

Inactive Publication Date: 2006-01-18
FENG CHIA UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sputtering techniques, such as rf-sputtering and reactive dc magnetronsputtering, require expensive equipment and a considerable space

Method used

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  • Electrochromatic material and its prepn
  • Electrochromatic material and its prepn
  • Electrochromatic material and its prepn

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In this embodiment, a glass substrate and an ITO conductive film are used to make a transparent conductive substrate. The transparent conductive substrate is degreased in a cleaning solution by ultrasonic vibration. The cleaning solution is prepared by dissolving a predetermined amount of surfactant in 50 ml of de-ionized water. Then the transparent conductive substrate was washed with deionized water. Use a solution containing 0.5g tin chloride (SnCl 2 ), 0.5ml of hydrochloric acid and 50ml of deionized water in a sensitizing solution to sensitize the washed transparent conductive substrate. The sensitization step is carried out at room temperature for 5 to 50 minutes. Then use a solution containing 0.025g palladium chloride (PdCl 2 ), 0.5ml of hydrochloric acid and 50ml of deionized water in an activation solution to activate the transparent conductive substrate. The activation step is carried out at room temperature for 2 to 20 minutes. Afterwards, the activate...

Embodiment 2

[0026] The experimental procedure of this example is similar to that of Example 1, except that the composition in the electroless plating bath includes 3.0 g of nickel sulfate, 6.0 g of sodium citrate hydrate, 4.0 g of boric acid and 2.0 g of sodium hypophosphite.

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Abstract

The preparation process of electrochromatic material includes the following steps: forming one layer of transparent conductive film on one transparent substrate; forming one metal film on the transparent conductive film via no-electroplating process; and oxidizing the metal film to form metal oxide film on the transparent conductive film. When one voltage is applied on the metal oxide film, the metal oxide film will produce electrochromatic phenomenon.

Description

【Technical field】 [0001] The present invention relates to an electrochromic material and a preparation method thereof, in particular to an electrochromic material and a method for manufacturing the electrochromic material using an electroless plating technique . 【Background technique】 [0002] An electrochromic material usually includes a transparent substrate, a transparent conductive film formed on the substrate, and a metal oxide film formed on the conductive film. The metal oxide film, such as nickel oxide film, produces electrochromic properties when a voltage is applied. The metal oxide film is formed by first depositing a metal film on the conductive film, and then oxidizing the metal film. The metal thin film is generally obtained by a wet process, such as electrochemical deposition, sol-gel techniques and spin-coating techniques, or a dry process, such as vacuum It is produced by vacuum evaporation, sputtering techniques and electrode deposition. The sputtering ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K9/00
Inventor 吴石乙陈维峰
Owner FENG CHIA UNIVERSITY
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