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Preparation method and application of interpenetrating structure polyaniline/carbon nanotube composite nanofiber material

A carbon nanotube composite and composite nanofiber technology, which is used in semiconductor/solid-state device manufacturing, electrical components, circuits, etc., can solve problems such as color purity decline, and achieve the effects of improving stability, increasing luminous space, and expanding contact area.

Inactive Publication Date: 2017-03-01
HEILONGJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Among organic polymer blue light materials, organic polyfluorene and its derivatives have been widely studied as the most promising blue light materials due to their excellent comprehensive properties such as high fluorescence quantum efficiency and good thermal stability. The biggest defect of devices made of blue light materials is that when the device works for a long time or is heated, long-wavelength luminescence occurs at 530-540nm, and the luminous color changes from pure blue to blue-green, resulting in a decrease in color purity.

Method used

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  • Preparation method and application of interpenetrating structure polyaniline/carbon nanotube composite nanofiber material
  • Preparation method and application of interpenetrating structure polyaniline/carbon nanotube composite nanofiber material
  • Preparation method and application of interpenetrating structure polyaniline/carbon nanotube composite nanofiber material

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Embodiment 1

[0033] A preparation method of interpenetrating structure polyaniline / carbon nanotube composite nanofiber material, the method comprises: synthesizing polyaniline, adopting Suzuki coupling reaction, using N,N-bis(4-bromophenyl)-4- Synthesis of poly[2,7-(9,9-dioctylfluorene)-alternate-N-phenyl-N-(4-phenoxyphenyl)aniline] from (4-phenoxy)aniline monomer; Preparation Soluble carbon nanotubes; the obtained polyaniline and carbon nanotubes are dissolved in a solvent, and the interpenetrating structure polyaniline / carbon nanotube composite nanofiber material is prepared by high-voltage electrospinning technology, and the electroporation of the interpenetrating structure composite nanofiber material is prepared. luminescent device.

Embodiment 2

[0035] According to the preparation method of the interpenetrating structure polyaniline / carbon nanotube composite nanofiber material described in Example 1, the reaction formula of the synthetic polyaniline is shown in the following formula:

[0036] ,

[0037] The obtained N,N-bis(4-bromophenyl)-4-(4-phenoxy)aniline (Mon) monomer was purified and combined with 9,9-dioctylfluorene-2,7-diboronic acid cis ( 1,3-propylene glycol) ester is polymerized to obtain poly[2,7-(9,9-dioctylfluorene)-alternate-N-phenyl-N-(4-phenoxyphenyl)aniline];

[0038] The specific steps are as follows: using purified toluene as a solvent, wherein 10-25 mL of toluene is added to 1 mmol of aniline monomer, and 9,9-dioctylfluorene-2,7-diboronic acid cis (1,3-propanediol) ester and monomer are used. Mon is added according to the molar ratio of 1:1.0~1:1.1, and the addition ratio is 1:25~1:30 palladium catalyst Pd(PPh 3 ) 4 , the described palladium catalyst Pd (PPh 3 ) 4The ratio of 9,9-dioctylflu...

Embodiment 3

[0040] According to the preparation method of the interpenetrating structure polyaniline / carbon nanotube composite nanofiber material described in embodiment 1 or 2, the obtained polyaniline and carbon nanotubes are dissolved in a solvent, and soluble carbon nanotubes are added. , the content is 0.5~10.0% (wt.%), under the condition of 10~30 ℃, using high-voltage electrospinning technology, adjust the spinning voltage to 10~30kV, and the distance between the transmitter electrode and the receiver electrode is 5~30cm The polyaniline / carbon nanotube composite nanofiber material can be obtained on the receiving electrode by controlling the flow rate of the liquid by using a micro-injection pump. The average diameter of the nanofiber material is 100-700 nm;

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Abstract

The invention provides an interpenetrating polyaniline / carbon nanotube composite nanofiber material preparation method and application. The biggest drawback of a device made from organic polyalkylfluorene as a blue-light emitting material is that when the device works long hours or is heated, long-wavelength luminescence generates at 530-540nm, and the emitting color turns into blue-green from blue, resulting in color purity decline. The method comprises: synthesizing polyaniline by using Suzuki coupling reaction, synthesizing poly[2,7-(9,9-dioctylfluorene)-alternating-N-phenyl-N-(4-phenoxyphenyl)aniline] by using the obtained monomer of N,N-bis(4-bromophenyl)-4-(4-phenoxy)aniline, preparing soluble carbon nanotubes, dissolving the polyaniline and the carbon nanotubes in a solvent, and preparing the interpenetrating polyaniline / carbon nanotube composite nanofiber material by using the high voltage electrospinning technique. The method is used in photoluminescence, electroluminescence and photoelectric conversion materials.

Description

[0001] Technical field: [0002] The invention relates to a preparation method and application of an interpenetrating structure polyaniline / carbon nanotube composite nanofiber material. [0003] Background technique: [0004] Among the organic polymer blue light materials, organic polyfluorenes and their derivatives have been widely studied as the most promising blue light materials due to their excellent comprehensive properties such as high fluorescence quantum efficiency and good thermal stability. The biggest defect of the device made of blue light material is that when the device works for a long time or is heated, long-wavelength luminescence occurs at 530~540nm, and the luminescence color changes from pure blue to blue-green, resulting in a decrease in color purity. [0005] Regarding the origin of the long-wave emission of organic polyfluorenes, some people thought it was due to the aggregation of organic polyfluorene chains to form exciton emission, that is, the green ...

Claims

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Application Information

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IPC IPC(8): D01F6/94D01F1/10C08G61/12H01L51/54
Inventor 汪成虢德超闫尔云王淑红孙治尧藏琳琳高洋鲁镝思倪亮孙立国闫鹏飞曹晓俭
Owner HEILONGJIANG UNIV
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