Production method of self-assemble rare earth nanometer membrane on glass substrate surface

The invention relates to a glass substrate and self-assembly technology, which is applied to the preparation of self-assembled rare earth nano-films on the surface of glass substrates and the preparation of nano-films. The film forming process is simple and the effect of uniform distribution

Inactive Publication Date: 2004-11-10
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process conditions of the self-assembled film prepared by this method are relatively cumbersome, and the heat treatment time is also long, and the film prepared by this method is an organic film, not an inorganic rare earth film.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] First, the glass substrate is pretreated, and the glass substrate is treated with hydroxylation. Treatment method: treat with Pirahan solution (H2SO4:H2O2=70:30, V / V) at room temperature for 30 minutes, then rinse with a large amount of deionized water, put it in a dust-proof device and dry it in an oven. The treated glass The substrate is immersed in the configured rare earth modifier and left to stand for 8 hours. After taking it out, rinse it with deionized water, dry it at room temperature, place it in an oven, and keep it warm at 120 degrees Celsius for 1 hour to obtain the rare earth self-assembled nano film.

[0013] The component weight percent of the rare earth modifier wherein adopts is: ethanol content: 60%, rare earth compound: 5%, ethylenediaminetetraacetic acid (EDTA): 4%, ammonium chloride: 5%, urea: 25%, Nitric acid: 1%.

[0014] SPM-9500 atomic force microscope, L116E ellipsometer and PHI-5702 X-photoelectron spectrometer (XPS) were used to characteri...

Embodiment 2

[0017] First, the glass substrate is pretreated, and the glass substrate is treated with hydroxylation. Treatment method: Treat with Pirahan solution (H2SO4:H2O2=70:30, V / V) at room temperature for 30 minutes, rinse with deionized water, and dry in an oven in a dust-proof device. Immerse the treated glass substrate in the prepared rare earth modifier and let it stand for 8 hours. After taking it out, rinse it with deionized water, dry it at room temperature, place it in an oven, and keep it warm at 120 degrees Celsius for 1 hour to obtain the rare earth self-assembled nano film.

[0018] The component weight percent of the rare earth modifier wherein adopts is: ethanol content: 80%, rare earth compound: 4.5%, ethylenediaminetetraacetic acid (EDTA): 1%, ammonium chloride: 2%, urea: 12%, Nitric acid: 03%.

[0019] The characterization means in Example 1 were used to evaluate the film quality.

[0020] The results show that the film thickness of the self-assembled film on the ...

Embodiment 3

[0022] First, the glass substrate is pretreated, and the glass substrate is treated with hydroxylation. Treatment method: Treat with Pirahan solution (H2SO4:H2O2=70:30, V / V) at room temperature for 30 minutes, rinse with a large amount of deionized water, and dry in an oven in a dust-proof device. Immerse the treated glass substrate in the prepared rare earth modifier and let it stand for 8 hours. After taking it out, rinse it with deionized water, dry it at room temperature, place it in an oven, and keep it warm at 120 degrees Celsius for 1 hour to obtain the rare earth self-assembled nano film.

[0023] The component weight percent of the rare earth modifier wherein adopts is: ethanol content: 70%, rare earth compound: 5%, ethylenediaminetetraacetic acid (EDTA): 4%, ammonium chloride: 5%, urea: 15%, Nitric acid: 1%.

[0024] Adopt the experimental apparatus among the embodiment 1 to evaluate thin film, the result of characterization shows: on the glass substrate, the thick...

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Abstract

A process for preparing self-assembling rare earth nano films on the surface of glass substrate surface comprising, pre-processing the glass substrate through hydroxylating, disposing by Pirahan solution wherein the volumetric ratio of H2SO4 : H2O2 = 70 : 30 at room temperature for 30 min, eluting with deionized water, drying in baking oven, immersing the processed glass substrate into prepared rare earth modifier, stewing for 8 hrs, taking out for deionized water flushing, placing into baking oven after being dried at ambient temperature, maintaining 120 deg. C for 1 hour, the weight percentage of the rare earth modifier constituent being, alcohol 60-80%, rare earth compound 4.5-7%, ethylenediamine tetra-acetic acid 1-4%, ammonium chloride 2-5%, carbonyldiamide 15-25%, nitric acid 0.5-1.5%.

Description

technical field [0001] The invention relates to a preparation method of a nano film, in particular to a preparation method of a self-assembled rare earth nano film on the surface of a glass substrate. It belongs to the field of film preparation. Background technique [0002] With the advancement of high technology, the machinery manufacturing industry is developing in the direction of miniaturization, which involves the tribological problems of the surface of micro-machines. At present, self-assembled nano-films can be prepared by self-assembly method. Self-assembled molecular films have great application potential in the fields of protective coatings, catalysts, material surface modification, biosensors, electrode modification, adhesives, etc. Rare earth atoms are easily adsorbed on the negatively charged glass substrate surface through electrostatic interaction. Rare earth elements, as surface active elements, are first adsorbed on the surface of the glass substrate, re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/00C03C17/22
Inventor 程先华上官倩芡白涛吴炬
Owner SHANGHAI JIAO TONG UNIV
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