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Ammonia-sensitive metal-organic gel composite soft material with enhanced aggregation and luminescence and its preparation

A technology of gathering luminescence and organogel, which is applied in the field of soft materials, can solve problems such as difficult to achieve multi-function and multi-response, and achieve the effects of reducing preparation difficulty and cost, good stability, and short aging time

Inactive Publication Date: 2016-09-07
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gel systems that do not contain long-chain alkanes are often difficult to achieve multi-functional and multi-response characteristics due to strong coordination or intermolecular interactions.

Method used

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  • Ammonia-sensitive metal-organic gel composite soft material with enhanced aggregation and luminescence and its preparation
  • Ammonia-sensitive metal-organic gel composite soft material with enhanced aggregation and luminescence and its preparation
  • Ammonia-sensitive metal-organic gel composite soft material with enhanced aggregation and luminescence and its preparation

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Embodiment 1

[0034] Synthesis of salicylhydrazide: Mix 11 mL of methyl salicylate and 7 mL of hydrazine hydrate, add 20 mL of absolute ethanol; reflux at 75°C for 3 hours, cool to precipitate a solid, filter, and recrystallize with ethanol to obtain a white crystal that is salicylhydrazide ;

[0035] Synthesis of 4,4'-dicarboxylic acid diphenyl ether: Weigh 10 mmol of 4,4'-dicarboxylic acid diphenyl ether into a round bottom flask, add 20 mL of SOCl 2 and 40 μL of DMF, insert a drying tube, reflux at 75°C for 9 hours, and remove unreacted SOCl by rotary evaporation 2 Obtain yellowish diformyl chloride powder;

[0036] Synthesis of 4,4'-oxobis-N'-(2-hydroxybenzoyl)benzohydrazide (4,4'-OBHBBH): Weigh phenylene ether dicarbonyl chloride (10 mmol) into a round bottom flask Add DMF (10mL) to dissolve, then add dropwise a mixed solution of salicylhydrazide (24 mmol) in DMF (10mL) and triethylamine (1.4mL) in an ice bath, and then move to reflux reaction in an oil bath at 90°C 9 hours; DMF was...

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Abstract

The present invention discloses an aggregation luminescence enhancement ammonia sensitive metal-organic gel compound soft material and a preparation method thereof. According to the invention, the gel compound soft material is prepared from newly-synthesized 4, 4 '-oxybis-N '-(2-hydroxy benzoyl) benzoyl hydrazine as a ligand and zinc acetate hydrate in the presence of a polar organic solvent at room temperature, and the gel mass fraction is about 1.3 wt % (solute / solvent* 100%). The gel material has a significant aggregation luminescence enhancement effect and ammonia gas sensitive luminescence response function, also has the functions of selective adsorption of dyes and in-situ preparation of nano gold particles and the like. The preparation method is simple and easy to operate, the raw material price is moderate, and the production cost is low.

Description

technical field [0001] The invention belongs to soft matter materials in gel form, in particular to an ammonia-sensitive metal-organic gel composite soft material with enhanced aggregation and luminescence and a preparation method thereof. Background technique [0002] Metal-organic gels are a kind of coordination polymers, also known as metal gels or coordination polymer gels, and are widely used in adsorption, heterogeneous catalysis, and sensors. Metal-organic gels have a unique structure. Due to the non-covalent interactions between internal molecules, they can be disconnected or reorganized under certain conditions, so that such substances can undergo degradation, stimulus-response and self-repair under external stimuli. It becomes a potentially highly adaptable and intelligent soft material. [0003] However, when designing and preparing metal-organic gels with multiple functions and multiple responses, it is often required that the structure of the gel raw material i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C243/38C07C241/04C09K11/06B01J20/22B01J20/28B22F9/24B82Y40/00G01N21/64
Inventor 吴舒婷卢淑美胡晓琳黄细河庄乃锋
Owner FUZHOU UNIV
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