Ink jet printing method for preparing metal oxide functional film

A technology of oxide film, inkjet printing, applied in the direction of copying/marking method, printing, ink, etc., to achieve the effect of high precision, clear boundary and uniform distribution

Inactive Publication Date: 2003-03-05
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of inkjet printing technology to prepare metal oxide functional thin films has not been reported

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Preparation of iron oxide film:

[0014] Operate as follows: 1) get 10g metal compound FeCl 3 As a raw material, it is dissolved in 200ml deionized water, placed in a reactor and hydrolyzed at a certain temperature to form iron oxide nanoparticle precipitation; the temperature of the reactor in this embodiment is 80 ° C, and the weight ratio of the raw material to deionized water is 10:200; 2) Add 100ml of deionized water after several times of centrifugal washing with a centrifuge, and add 1g of dispersant polyvinyl alcohol under strong stirring, and the amount added is 1% of the weight of deionized water to control the viscosity of the ink to less than 50mPa s (room temperature), surface tension is 30mNm -1 Prepare iron oxide inkjet ink; 3) inject the ink into the ink cartridge, and deposit it on the alumina ceramic substrate by conventional inkjet printing technology; 4) heat-treat the film deposited on the substrate at 400°C, Form an iron oxide film; the raw mater...

Embodiment 2

[0016] Preparation of tin oxide thin films:

[0017] Operate as follows: 1) get 10g metal compound SnCl 2 As a raw material, it is dissolved in 100ml of organic solvent absolute ethanol, and placed in a reflux device. The reflux temperature of this embodiment is 80 ° C, and the reflux time is 36 hours; during the reflux process, it can be seen that a large amount of smoke is produced, which is HCl; Add dehydrated alcohol to the tin alcoholate formed by the reaction to make the volume 100ml; the weight ratio of the raw material and the organic solvent is 10: 100; 2) add 0.5g of surfactant cetyltrimethylammonium bromide, Addition amount is 0.5% of organic solvent weight, is 40mPa s (room temperature) and surface tension to control ink's viscosity -1 , made into metal tin oxide inkjet ink; 3) inject the ink into the ink cartridge, and deposit it on the alumina ceramic substrate by conventional inkjet printing technology; 4) subject the film deposited on the substrate to a 600°C ...

Embodiment 3

[0019] Preparation of ZnO thin film:

[0020] Operate as follows: 1) get 15g metal compound zinc acetate as raw material, it is dissolved in 100ml deionized water, the weight ratio of described raw material and water is 15: 100; 2) add dispersing agent sodium lauryl sulfate O .3g, the addition amount is 0.3% of the water weight, to control the viscosity of the ink to be 30mPa·s (room temperature), and the surface tension to be 30mNm -1 , made into zinc oxide ink; 3) inject the ink into the ink cartridge, and use conventional inkjet printing technology to spray and deposit it on the alumina ceramic substrate according to a predetermined pattern; 4) pass the film layer deposited on the substrate through 550 ℃ heat treatment, the reaction forms a zinc oxide film.

[0021] The present invention can also use anionic surfactants such as sodium stearate, sodium dodecylbenzenesulfonate, nonionic surfactants such as dodecyldiethanolamine, etc. as dispersants or polymers.

[0022] Var...

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Abstract

The method for preparing metal oxide function film by using ink-jet printing process includes the following steps: 1). using soluble metal compound as raw material, dissolving it in water or organic solvent, the weight ratio of raw material and water or organic solvent is 1-30:100-200; or dispersing nano granules of metal oxide in water or organic solvent according to same weight ratio; 2) addingadditive, added quantity is 0.01-5% of weight of water or organic solvent, the controlled ink viscosity is 20-60 mPa.s and its surface tension is 20-40 mNm(-1), and preparing metal oxide ink with stable property; 3). injecting said ink into ink box and adopting conventional ink-jet printing process to make the ink deposit on the substrate; and 4). heating film layer deposited on the substrate at 200-700 deg.C to form the metal oxide functional film.

Description

technical field [0001] The invention relates to metal oxide thin film technology, in particular to a method for preparing a metal oxide functional thin film by inkjet printing. Background technique [0002] Metal oxides have many special physical and chemical properties, and the preparation of metal oxide thin film materials with certain structures, compositions and patterns is the basis of many modern functional devices. At present, lithography and thick film printing are mainly used to prepare functional material thin films with specific patterns. The lithography technology first adopts thin film preparation processes such as vacuum coating to prepare thin films, and then uses photolithography and chemical etching to prepare specific patterns. Thick film printing technology first prepares the template and material slurry, then prints on the substrate, and then sinters to obtain the film layer. These techniques all require the preparation of templates, expensive equipment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/005B41M5/00C09D11/30
Inventor 赵岩郝传勇
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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