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A Method for Assembling Ultrathin Ordered Conductive Polymer Films at the Liquid/Air Interface

A conductive polymer and film technology, which is applied in the field of assembling ultra-thin and ordered conductive polymer films at the liquid/air interface, can solve the problems of complex research, non-compliance with electron transport, and incomprehension, and achieves a simple preparation process, good and good performance. Order and crystallinity, easy operation effect

Active Publication Date: 2022-05-10
JIANGXI SCI & TECH NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Experimental studies have shown that electron transport in conducting polymers apparently does not follow a single transport mechanism, complicating the study

Method used

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  • A Method for Assembling Ultrathin Ordered Conductive Polymer Films at the Liquid/Air Interface
  • A Method for Assembling Ultrathin Ordered Conductive Polymer Films at the Liquid/Air Interface
  • A Method for Assembling Ultrathin Ordered Conductive Polymer Films at the Liquid/Air Interface

Examples

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Effect test

Embodiment 1

[0035] A method for assembling an ultra-thin ordered conductive polymer film at a liquid / air interface, specifically comprising the following steps:

[0036] (1) Accurately weigh 50 mg of poly-2-(2,5-dihexyl)phenyl)thiophene, then add 5 ml of chloroform solvent, vibrate and ultrasonically disperse until the polymer is completely dissolved to obtain a polymer chloroform solution;

[0037] (2) Use a polytetrafluoroethylene dropper to take an appropriate amount of solution, and quickly and gently drop it on the surface of a petri dish filled with deionized water;

[0038] (3) cutting a plurality of 2 × 2cm glass sheets as the target substrate;

[0039] (4) After the solvent is volatilized, a thin film is formed on the water surface, and then transferred to the target substrate for drying to obtain an ultra-thin and ordered eigenstate thin film material.

[0040] Schematic diagram of the method for assembling ultrathin ordered conductive polymer films through the liquid / air inter...

Embodiment 2

[0048] A method for assembling an ultra-thin ordered conductive polymer film at a liquid / air interface, specifically comprising the following steps:

[0049] (1) Accurately weigh 50 mg of poly-2-(2,5-dioctyl)phenyl)thiophene, then add 5 ml of dichloromethane solvent, vibrate and ultrasonically disperse until the polymer is completely dissolved to obtain a polymer solution;

[0050] (2) Use a polytetrafluoroethylene dropper to take an appropriate amount of solution, and quickly and gently drop it on the surface of a petri dish filled with deionized water;

[0051] (3) Cutting a plurality of 2×2cm silicon wafers as the target substrate;

[0052] (4) After the solvent is volatilized, a thin film is formed on the water surface, and then transferred to the target substrate for drying to obtain an ultra-thin and ordered eigenstate thin film material.

[0053] Due to the extremely poor conductivity of the obtained intrinsic state films, it is necessary to introduce dopants to improv...

Embodiment 3

[0057] A method for assembling an ultra-thin ordered conductive polymer film at a liquid / air interface, specifically comprising the following steps:

[0058] (1) Accurately weigh 50 mg of poly-2-(2,5-di-dodecyl)phenyl)thiophene, then add 5 ml of chlorobenzene solvent, vibrate and ultrasonically disperse until the polymer is completely dissolved to obtain a polymer solution;

[0059] (2) Use a polytetrafluoroethylene dropper to take an appropriate amount of solution, and quickly and gently drop it on the surface of a petri dish filled with deionized water;

[0060] (3) Cut out multiple pieces of 2×2cm polypropylene sheets as the target substrate;

[0061] (4) After the solvent is volatilized, a thin film is formed on the water surface, and then transferred to the target substrate for drying to obtain an ultra-thin and ordered eigenstate thin film material.

[0062] Due to the extremely poor conductivity of the obtained intrinsic state films, it is necessary to introduce dopant...

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Abstract

The invention discloses a method for assembling an ultra-thin ordered conductive polymer film at a liquid / air interface, which comprises the following steps: dissolving the conductive polymer in an oily solvent, the used oily solvent must be insoluble in water and have a low boiling point, and at the same time change the The selection of the solvent and the type and concentration of the dopant, through the interface induction, assemble an ultra-thin ordered conductive polymer film at the liquid / gas interface. Stablize. The preparation process of the present invention is simple, easy to operate, low on environmental factors, and does not require expensive and complicated experimental equipment. Practice has proved that this method can prepare ultra-thin ordered conductive polymer films. It has important theoretical and practical significance to further clarify the relationship between molecular orientation and stacking structure and charge transport and to develop high-performance organic electronic materials.

Description

technical field [0001] The invention relates to the technical field of organic electronic materials, in particular to a method for assembling an ultra-thin ordered conductive polymer film at a liquid / gas interface. Background technique [0002] Organic electronic devices have a series of excellent properties and show great application potential, and have attracted extensive attention from academia and industry at home and abroad in recent years. However, their disadvantages such as slow running speed, low work efficiency and short service life have also seriously hindered their further development. To fundamentally solve these problems and make organic electronic devices better for our use, it is necessary to further improve the performance of organic semiconductor materials and design more reasonable organic molecular structures. To achieve this goal, we must correctly understand the charge transport of organic semiconductor materials and organic electronic devices, which ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J5/18C08G61/12C08L65/00
CPCC08J5/18C08G61/126C08G2261/51C08G2261/3223C08G2261/312C08G2261/1412C08G2261/11C08J2365/00
Inventor 蒋丰兴蓝小琪明守利徐景坤刘聪聪刘佩佩
Owner JIANGXI SCI & TECH NORMAL UNIV
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