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Preparation method of high molecule functionalized rare earth/mesoporous fluorescent nano-material

A technology of fluorescent nanomaterials and mesoporous materials, which is applied in the field of preparation of rare earth mesoporous fluorescent nanomaterials, can solve the problems of unreported synthesis technology, and achieve the effects of simple process, easy construction, and overcoming insufficient mechanical properties and stability

Inactive Publication Date: 2012-11-14
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although great progress has been made in the research of organic-inorganic rare earth complex hybrid luminescent materials, the synthesis technology of covalently grafting rare earth polymer complexes to mesoporous substrates has not been reported yet.

Method used

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  • Preparation method of high molecule functionalized rare earth/mesoporous fluorescent nano-material
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  • Preparation method of high molecule functionalized rare earth/mesoporous fluorescent nano-material

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Effect test

Embodiment 1

[0040] A polymer-functionalized rare earth / mesoporous fluorescent nanomaterial, which is a hybrid fluorescent material formed by grafting organic polymers with active groups onto the main body of inorganic ordered mesoporous materials, and then introducing rare earth ions;

[0041] Among them, the proportion of rare earth ions and organic polymers with active groups is calculated by molar ratio, that is, rare earth ions: organic polymers with active groups is 1:3;

[0042] The organic polymer with active groups described herein is polyethylene glycol (PEG) with a molecular weight of 400;

[0043] The inorganic mesoporous material is SBA-15;

[0044] The rare earth ions are rare earth europium ions.

[0045] The above-mentioned preparation method of a polymer-functionalized rare earth / mesoporous fluorescent nanomaterial specifically includes the following steps:

[0046] (1) Preparation of precursors functionalized with organic polymer polyethylene glycol (PEG)

[0047]Disso...

Embodiment 2

[0062] A polymer-functionalized rare earth / mesoporous fluorescent nanomaterial, which is a hybrid fluorescent material formed by grafting an organic polymer with active groups onto an inorganic ordered mesoporous body, and then introducing rare earth ions;

[0063] Among them, the proportion of rare earth ions and organic polymers with active groups is calculated by molar ratio, that is, rare earth ions: organic polymers with active groups is 1:3;

[0064] Wherein said organic polymer with active groups is polyvinylphenylboronic acid;

[0065] The inorganic mesoporous material is SBA-16;

[0066] The rare earth ions are rare earth europium ions.

[0067] The above-mentioned preparation method of a polymer-functionalized rare earth / mesoporous fluorescent nanomaterial specifically includes the following steps:

[0068] (1) Synthesis of organic polymer polyvinylphenylboronic acid functionalized precursor

[0069] Add 1 mmol of monomeric 4-vinylphenylboronic acid into a 100 ml ...

Embodiment 3

[0082] A polymer-functionalized rare earth / mesoporous fluorescent nanomaterial, which is a hybrid fluorescent material formed by grafting an organic polymer with active groups onto an inorganic ordered mesoporous body, and then introducing rare earth ions;

[0083] Among them, the proportion of rare earth ions and organic polymers with active groups is calculated by molar ratio, that is, rare earth ions: organic polymers with active groups is 1:3;

[0084] Wherein said organic polymer with active groups is polypropylene amine;

[0085] The inorganic mesoporous material is SBA-15;

[0086] The rare earth ions are rare earth europium ions.

[0087] The above-mentioned preparation method of a polymer-functionalized rare earth / mesoporous fluorescent nanomaterial specifically includes the following steps:

[0088] (1) Synthesis of organic polymer polyacrylamine functionalized precursor

[0089]Add 1 mmol polyacrylamine to a 100 ml three-neck flask, then inject 15 mL N,N-dimethyl...

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Abstract

The invention discloses a preparation method of a high molecule functionalized rare earth / mesoporous fluorescent nano-material. The preparation method comprises the following steps of: functionalizing organic high molecules with active functional groups by using a chemical modification and synthesis method at first; grafting to an inorganic and ordered mesoporous body SBA-15 or SBA-16 framework through a covalent bond; and then introducing rare earth europium ions to synthesize to obtain the highly ordered high molecule functionalized rare earth / mesoporous fluorescent nano-material with stable chemical and thermodynamic properties. The preparation method of the high molecule functionalized rare earth / mesoporous fluorescent nano-material is mild in experiment conditions that are easily controlled, an overall preparation system is easy to construct, is simple and convenient to operate, the obtained product has the advantages of stable quality, strong practicability and good repeatability.

Description

Technical field [0001] The present invention is the field of medium composite material preparation technology, which involves a method of preparation of a rare earthy -flip fluorescent nanomaterial functional functional functional function. Background technique [0002] Jiekou material is a new type of nano -structural material that risen in the 1990s. It is another type of molecular sieve material after microporous boiler molecular sieve.The inorganic porous material with an orderly pores and tunnel structures for assembly.Although the history of the study of Jiekou materials is only ten years, many scientists from different research fields have attracted many scientists from different research fields because their unique structure and nature have achieved fruitful results.Order -of -the -hole materials have extremely important applications in many fields such as biomedicalization, functional polymer complex, chemical sensing, fine chemicals, biocatalysts, and microcomputers.The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/06
Inventor 李颖王霞王杰林刘栋常佩佩
Owner UNIV OF SHANGHAI FOR SCI & TECH
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