Preparation method of rare earth doped TiO*substrate luminescent material

A luminescent material and rare earth doping technology, which is applied in the field of preparation of rare earth doped TiO2 matrix luminescent material, can solve the problems of no luminescent material, etc., and achieve the effect of simple process, controllable thickness and uniform surface

Inactive Publication Date: 2013-04-03
NORTHWEST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Nano-TiO doped with rare earth has not been found so far 2 Related reports on luminescent materials as matrix hosts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: Preparation of Eu 3+ :TiO 2 red luminous material

[0028] The raw materials used are as follows:

[0029] Tetrabutyl titanate: ([CH 3 (CH 2 ) 3 O] 4 Ti) 17.0ml

[0030] Isopropanol ((CH 3 ) 2 CHOH) 15.3ml

[0031] Glacial acetic acid (CH 3 COOH) 11.4ml

[0032] Deionized water (H 2 O) 1.8ml

[0033] Aluminum nitrate (Al(NO 3 ) 3 9H 2 O) 0.0375g

[0034] Europium nitrate (Eu(NO 3 ) 3 ·5H 2 O) 0.1712g

[0035] 1) Slowly add 5.3ml of isopropanol to 17.0ml of tetra-n-butyl titanate, and mix and stir for 30 minutes to obtain a uniformly mixed tetra-n-butyl titanate / isopropanol solution A;

[0036] 2) Slowly add 10ml of isopropanol and 1.8ml of deionized water into 11.4 glacial acetic acid successively, and mix and stir for 30 minutes to obtain a uniformly mixed glacial acetic acid / isopropanol / water solution B;

[0037] 3) Slowly add solution B to solution A under high-speed stirring conditions, continue to stir the mixed solution for 30 m...

Embodiment 2

[0039] Embodiment 2: Preparation of Eu 2+ :TiO 2 Blue Luminescent Nanocrystals

[0040] The raw materials used are as follows:

[0041] Tetrabutyl titanate: ([CH 3 (CH 2 ) 3 O] 4 Ti) 17.0ml

[0042] Isopropanol ((CH 3 ) 2 CHOH) 15.3ml

[0043] Glacial acetic acid (CH 3 COOH) 11.4ml

[0044] Deionized water (H 2 O) 1.8ml

[0045] Aluminum nitrate (Al(NO 3 ) 3 9H 2 O) 0.0375g

[0046] Europium nitrate (Eu(NO 3 ) 3 ·5H 2 O) 0.0425g

[0047] 1) Slowly add 5.3ml of isopropanol to 17.0ml of tetra-n-butyl titanate, and mix and stir for 30 minutes to obtain a uniformly mixed tetra-n-butyl titanate / isopropanol solution A;

[0048] 2) Slowly add 10ml of isopropanol and 1.8ml of deionized water to 11.4ml of glacial acetic acid successively, and mix and stir for 30 minutes to obtain a uniformly mixed glacial acetic acid / isopropanol / water solution B;

[0049] 3) Slowly add solution B to solution A under high-speed stirring conditions, continue to stir the mixed soluti...

Embodiment 3

[0051] Embodiment 3: Preparation of Eu 3+ :TiO 2 red luminescent film

[0052] The raw materials used are as follows:

[0053] Tetrabutyl titanate: ([CH 3 (CH 2 ) 3 O] 4 Ti) 8.4ml

[0054] Absolute ethanol (C 2 h 5 OH) 38.6ml

[0055] Diethanolamine (C 4 h 11 NO 2 ) 2.4ml

[0056] Deionized water (H 2 O) 0.45ml

[0057] Aluminum nitrate (Al(NO 3 ) 3 9H 2 O) 0.0188g

[0058] Europium nitrate (Eu(NO 3 ) 3 5H 2 O) 0.0535g

[0059] 1) First, 20ml of absolute ethanol and 8.4ml of tetrabutyl titanate were mixed and stirred for 30 minutes to obtain a transparent solution A. Next, 18.6ml of absolute ethanol and 0.45ml of deionized water were mixed and stirred for 30min to obtain a transparent solution B.

[0060] 2) Add solution B dropwise to solution A and stir vigorously, the solution gradually becomes milky white. At the same time, 2.4 ml of diethanolamine was added dropwise and stirred for 1 h, at which point the solution turned into a pale yellow solution...

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Abstract

The invention discloses a preparation method of rare earth doped TiO*substrate luminescent material, which comprises the following steps: (1), dissolving tetrabutyl titanate Ti(OBu)4 into ethanol or propanol; (2), mixing the solution with glacial acetic acid water solution of the ethanol or propanol; (3), adding aluminum soluble salt; (4), adding one or two of soluble rare earthsalts; (5), ageing the mixture to obtain gum, drying to obtain dried gum and calcining the dried gum under 400-950 DEG C to obtain the rare earth doped TiO*substrate luminescent material. The rare earth doped TiO*substrate luminescent material has uniform particle with size between 10 nm and 25nm. The preparation method has simple process without vacuum equipment, low cost, and easy material obtaining and innocuity.

Description

technical field [0001] The invention relates to the technical field of synthesis of inorganic luminescent materials, in particular to a rare earth doped TiO 2 Preparation method of matrix luminescent material. Background technique [0002] With the continuous development of science and technology and industry, people have higher and higher requirements for high-performance materials, and nano-sized materials provide a new way for the development of new high-performance materials and the improvement of the performance of existing materials. At present, in the research of nanotechnology and nanomaterials, nano-titanium dioxide has many unique properties that are completely different from traditional crystals and amorphous materials, such as excellent optical properties, magnetic properties, chemical corrosion resistance and chemical activity, and excellent plasticity. , high hardness and strength and other physical, chemical and mechanical properties, and are widely used in e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K11/67
Inventor 胡晓云樊君刘国敬潘静江东
Owner NORTHWEST UNIV
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