Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A kind of supramolecular material and its preparation method and application

A supramolecular and reactive technology, applied in the field of materials, can solve problems such as structural flexibility, poor stability, limited application range, weakened fluorescence, etc., and achieve the effects of large-scale industrial production, simple preparation method, and stable structure

Active Publication Date: 2022-07-05
GUANGZHOU UNIVERSITY
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional organic fluorescent materials have an obvious defect: fluorescent molecules emit strong light in dilute solutions, but in the aggregated state, due to π–π stacking, the fluorescence will be weakened or even quenched.
[0003] However, most of the AIE molecules reported so far are small molecules, and coordination supramolecules with AIE effect are rare. A rosette-shaped two-dimensional supramolecular structure containing tetraphenylethylene groups has been reported in the literature, but its structure is flexible, Poor stability, which limits the scope of application

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of supramolecular material and its preparation method and application
  • A kind of supramolecular material and its preparation method and application
  • A kind of supramolecular material and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] A supramolecular material, which is composed of a unit structure represented by formula (V), the supramolecular material is cage-like;

[0059]

[0060] The preparation method of above-mentioned supramolecular material, comprises the following steps:

[0061] (1) Preparation of 2,3,6,7-tetrabromothianthene

[0062]

[0063] Add thianthracene (3.24g, 15mmol) and 20mL of glacial acetic acid to a three-necked flask, slowly add liquid bromine (19.2g, 120mmol) under nitrogen protection, and react at a constant temperature of 100°C for 24h. After the solution is cooled, add 100mL of sodium bisulfite solution Quenching excess liquid bromine with CH 2 Cl 2 Extracted and washed with water, the organic phase was washed with anhydrous MgSO 4 After drying, the solvent was rotary evaporated to obtain the crude product, which was then recrystallized from n-hexane to obtain a white solid (3.21 g, 46%). 1 H NMR (500MHz, CDCl 3 ,300K,ppm):δ7.63(s,4H,PhH). ...

Embodiment 2

[0076] A supramolecular material, which is composed of a unit structure represented by formula (VI), wherein the supramolecular material is cage-like;

[0077]

[0078] The preparation method of above-mentioned supramolecular material, comprises the following steps:

[0079] (1) Preparation of 2,3,6,7-tetrabromothianthene

[0080]

[0081] Add thianthracene (3.24g, 15mmol) and 20mL of glacial acetic acid to a three-necked flask, slowly add liquid bromine (19.2g, 120mmol) under nitrogen protection, and react at a constant temperature of 100°C for 24h. After the solution is cooled, add 100mL of sodium bisulfite solution Quenching excess liquid bromine with CH 2 Cl 2 Extracted and washed with water, the organic phase was washed with anhydrous MgSO 4 After drying, the solvent was rotary evaporated to obtain the crude product, which was then recrystallized from n-hexane to obtain a white solid (3.21 g, 46%). 1 H NMR (500MHz, CDCl3, 300K, ppm): δ7.63 (s, ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the technical field of materials, and in particular relates to a supramolecular material and a preparation method and application thereof. The supramolecular material includes a unit structure represented by formula (I) and / or formula (II), and the supramolecular material is cage-like; in the formula, R is a hydrogen atom, an ether chain, an alkyl chain or a polyaromatic hydrocarbon chain; M is a transition metal ion. The supramolecular material provided by the present invention has an octahedral cage structure, the structure is stable, the supramolecular material has aggregation-induced luminescence properties, and has a wide range of applications; and the supramolecular material has a simple preparation method and mild reaction conditions, which is beneficial to large-scale industrialization.

Description

technical field [0001] The invention belongs to the technical field of materials, and in particular relates to a supramolecular material and a preparation method and application thereof. Background technique [0002] Organic fluorescent materials have important application value in fluorescence analysis, biological detection, chemical sensing, etc., so this material has aroused strong research interest of researchers. Traditional organic fluorescent materials have an obvious defect: fluorescent molecules emit strong light in dilute solutions, while in the aggregated state, the fluorescence is weakened or even quenched due to π–π stacking. This phenomenon is known as aggregation-induced fluorescence quenching (ACQ). In practical applications, ACQ is very unfavorable, and people try various physical or chemical methods to solve this problem. However, since aggregation is an inherent property of chromophores, many attempts have failed. Later, some researchers discovered the ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C08G83/00C09K11/06B01J31/22
CPCC08G83/008C09K11/06B01J31/1815C09K2211/188B01J2531/26Y02E10/549
Inventor 关钰明谢廷正张哲
Owner GUANGZHOU UNIVERSITY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com