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CdS quantum dot-complex composite material preparation method and application

A technology of composite materials and complexes, which is applied in the fields of electrochemical variables of materials, electrolytic organic material coating, electrolytic inorganic material coating, etc., can solve the problems of harsh preparation conditions, complex reaction steps, high reagent cost, and achieve high chemical stability, Short time and high efficiency

Inactive Publication Date: 2018-11-20
SHANDONG JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many methods for preparing quantum dots. The commonly used methods include organometallic chemistry and aqueous phase synthesis. The organometallic chemistry has disadvantages such as harsh preparation conditions, complex reaction steps, high reagent costs, and high toxicity. Water phase synthesis However, there are also disadvantages such as cumbersome operation and long reaction time.

Method used

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  • CdS quantum dot-complex composite material preparation method and application
  • CdS quantum dot-complex composite material preparation method and application
  • CdS quantum dot-complex composite material preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1 A preparation method of CdS quantum dot-complex composite material

[0042] (1) Preparation of adamantane-based ligand ADM-BP

[0043] Blend 1.8771g amantadine hydrochloride, 2g potassium carbonate and 60mL acetonitrile, add 1.3203g 2,6-bis(chloromethyl)pyridine, stir vigorously; heat to 80°C, react for 24 hours, then cool to room temperature , filtered, washed with acetonitrile and water successively, and dried at 60°C; the obtained solid was dissolved in 20 mL of dichloromethane, and then 15 mL of water was added, shaken sufficiently, allowed to stand, and separated; the obtained organic layer was dried by adding sodium sulfate, Distillation, remove solvent, obtain adamantane amino ligand ADM-BP powder, productive rate is 70%;

[0044] Described amantadine hydrochloride, structural formula is as follows:

[0045]

[0046] Described 2,6-bis(chloromethyl)pyridine, structural formula is as follows:

[0047]

[0048] The structural formula of the adamanty...

Embodiment 2

[0060] Embodiment 2 A kind of preparation method of CdS quantum dot-complex composite material

[0061] (1) Preparation of adamantane-based ligand ADM-BP

[0062] Blend 2.3464g amantadine hydrochloride, 2.5g potassium carbonate and 70mL acetonitrile, add 1.7604g 2,6-bis(chloromethyl)pyridine, stir vigorously; heat to 80°C, react for 24 hours, then cool to Filter at room temperature, wash with acetonitrile and water successively, and dry at 60°C; dissolve the obtained solid in 25 mL of dichloromethane, add 15 mL of water, shake fully, stand still, and separate; add sodium sulfate to the obtained organic layer to dry , distillation, solvent removal, to obtain the adamantane amino ligand ADM-BP powder, the yield is 75%;

[0063] Described amantadine hydrochloride, structural formula is as follows:

[0064]

[0065] Described 2,6-bis(chloromethyl)pyridine, structural formula is as follows:

[0066]

[0067] The structural formula of the adamantyl amino ligand ADM-BP is as...

Embodiment 3

[0079] Embodiment 3 A kind of preparation method of CdS quantum dot-complex composite material

[0080] (1) Preparation of adamantane-based ligand ADM-BP

[0081] Blend 2.8157g amantadine hydrochloride, 3g potassium carbonate and 80mL acetonitrile, add 2.2005g 2,6-bis(chloromethyl)pyridine, stir vigorously; heat to 80°C, react for 24 hours, then cool to Filter at room temperature, wash with acetonitrile and water successively, and dry at 60°C; dissolve the obtained solid in 30 mL of dichloromethane, add 15 mL of water, shake fully, stand still, and separate; add sodium sulfate to the obtained organic layer to dry , distillation, solvent removal, to obtain the adamantyl amino ligand ADM-BP powder, the yield is 72%;

[0082] Described amantadine hydrochloride, structural formula is as follows:

[0083]

[0084] Described 2,6-bis(chloromethyl)pyridine, structural formula is as follows:

[0085]

[0086] The structural formula of the adamantyl amino ligand ADM-BP is as fo...

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Abstract

The invention discloses a CdS quantum dot-complex composite material preparation method and application, and belongs to the technical field of nanometer materials, metal organic complexes and electrochemical detection. The method comprises the specific steps that a chemical sensor is prepared based on CdS quantum dot-complex composite material CdS@Cu(II)-ADM / Cu for detecting oestrone, particularly, 1, an amantadine ligand ADM-BP is prepared, and 2, an electrochemical sensor for amantadine complex composite materials Cu(II)-ADM / Cu and CdS quantum dot-complex composite materials CdS@Cu(II)-ADM / Cu is prepared through an electrochemical deposition method. Since Cu(II)-ADM / Cu has the large specific area, more active sites and excellent adsorption performance, the prepared electrochemical sensorhas the advantages of being high in oestrone detection sensitivity, low in detection limit, high in stability, easy to operate and the like.

Description

technical field [0001] The invention relates to a preparation method and application of a CdS quantum dot-complex composite material based on electrochemical deposition, and belongs to the technical field of nanomaterials, metal-organic complexes and electrochemical detection. Background technique [0002] Most countries in the world suffer from water shortages. People consume and waste fresh water while producing sewage, which will also cause a series of ecological and environmental problems that endanger the survival and development of cities. Sewage carries a large number of pollutants, such as estrone, estradiol, estriol, and a large number of toxic, harmful, flammable and explosive gases. Since the 1970s, developed countries such as Europe and the United States have realized the problem of urban sewage. my country is also facing the threat of sewage to the safety of people's lives and property. Therefore, it is necessary to conduct qualitative and quantitative analysis ...

Claims

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Application Information

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IPC IPC(8): C25D9/02C25D9/04C07D471/18G01N27/48
CPCC07D471/18C25D9/02C25D9/04G01N27/48
Inventor 匡芮李志张爱勤王保群
Owner SHANDONG JIAOTONG UNIV
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