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A method for interfacial synthesis of poly-3-fluorothiophene nanowires

A technology of fluorothiophene nano-interface synthesis, which is applied in the field of material chemistry to achieve the effects of stable structure, high specific surface area, and excellent physical and chemical properties

Active Publication Date: 2020-12-15
上海萃励电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

A large amount of research work has reported the synthesis, structure control and application development of polythiophene and its derivative poly3-alkylthiophene, but the polymerization of 3-fluorothiophene is rarely reported. Synthesis of poly-3-fluorothiophene nanowires

Method used

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  • A method for interfacial synthesis of poly-3-fluorothiophene nanowires

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Experimental program
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Embodiment 1

[0012] Add 1mmol / L 3-fluorothiophene into 50mL of n-hexane, stir to dissolve, dissolve 6mmol / L ferric chloride and 0.02mol / L p-toluenesulfonic acid into 50mL of acetonitrile solution, add to the previous n-hexane, Form immiscible solution interfaces, after standing for 12 hours, precipitation occurred in the lower layer of acetonitrile solution, after filtering, it was washed and dried to obtain the following: figure 1 Poly-3-fluorothiophene nanowires are shown.

Embodiment 2

[0014] Add 1mmol / L 3-fluorothiophene into 50mL of n-hexane, stir to dissolve, dissolve 4mmol / L ferric chloride and 0.01mol / L p-toluenesulfonic acid into 50mL of acetonitrile solution, add to the previous n-hexane, An immiscible solution interface was formed, and after standing for 8 hours, a precipitate appeared in the acetonitrile solution in the lower layer, which was filtered, washed and dried to obtain poly-3-fluorothiophene nanowires.

Embodiment 3

[0016] Add 2mmol / L 3-fluorothiophene into 50mL of n-hexane, stir to dissolve, dissolve 6mmol / L ferric chloride and 0.01mol / L p-toluenesulfonic acid into 50mL of acetonitrile solution, add to the previous n-hexane, An immiscible solution interface was formed, and after standing for 6 hours, a precipitate appeared in the acetonitrile solution in the lower layer, which was filtered, washed and dried to obtain poly-3-fluorothiophene nanowires.

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Abstract

The invention provides an interface synthetic method of poly(3-fluorothiophene) nanowires. The method comprises: a) adding 3-fluorothiophene into n-hexane with stirring for dissolution, then dissolving FeCl3 and p-toluenesulfonic acid in an acetonitrile solution, adding the mixture to the n-hexane to form immiscible solution interface; allowing the system to stand for 6-12 h for reaction until precipitate forms in the lower layer, the acetonitrile solution; filtering, washing and drying the product to obtain the poly(3-fluorothiophene) nanowires. The method is simple in process and employs regular raw materials. The poly(3-fluorothiophene) nanowires have stable structure, larger specific surface area and greatly improved catalytic activity and electro-chemical activity, and better physicaland chemical performances.

Description

technical field [0001] The invention belongs to the technical field of material chemistry and relates to an interface synthesis method of poly-3-fluorothiophene nanowires. Background technique [0002] Poly-3-fluorothiophene is a fluorine-substituted derivative of polythiophene. Fluoro-3-fluorothiophene has a skeleton structure similar to polythiophene, and a strong electron-withdrawing substituent is introduced into the conjugated aromatic ring. It is used in gas sensors, biosensors, anti-corrosion It has certain application prospects in coatings, supercapacitors, electrocatalysis, electrochromism and other fields. A large amount of research work has reported the synthesis, structure control and application development of polythiophene and its derivative poly3-alkylthiophene, but the polymerization of 3-fluorothiophene is rarely reported. Synthesis of poly-3-fluorothiophene nanowires. Contents of the invention [0003] The object of the present invention is to provide a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G61/12
CPCC08G61/126C08G2261/11C08G2261/146C08G2261/3223
Inventor 汪元元
Owner 上海萃励电子科技有限公司