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Preparation method of polyaniline and molybdenum disulfide intercalated composite material

A molybdenum disulfide and composite material technology is applied in the field of preparation of polyaniline and molybdenum disulfide intercalated composite materials, which can solve the problems of polyaniline being insoluble, unevenly dispersed, and difficult to process, and achieves a simple synthesis method and a uniform structure. , the effect of improving the photoelectric performance

Inactive Publication Date: 2013-08-21
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problems of uneven dispersion of molybdenum disulfide in polymers and insoluble and difficult processing of polyaniline, realize the controllable intercalation of polymers and molybdenum disulfide, and realize the performance optimization of composite materials, the present invention provides a Preparation method of polyaniline and molybdenum disulfide intercalation composite material

Method used

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  • Preparation method of polyaniline and molybdenum disulfide intercalated composite material
  • Preparation method of polyaniline and molybdenum disulfide intercalated composite material

Examples

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Embodiment 1

[0017] The specific preparation steps of polyaniline and molybdenum disulfide intercalation composite material are as follows:

[0018] Step 1, preparation of graphene-like molybdenum disulfide suspension:

[0019] Weigh 10 g of molybdenum disulfide with a particle size of 45 μm, and place molybdenum disulfide in n-hexane solution of n-butyllithium under the protection of dry nitrogen, and stir for 48 hours. Filter, wash the solid with n-hexane, dry, then add 500mL of water, and ultrasonically react for 30 minutes to obtain a suspension of graphene-like molybdenum disulfide; A mixed solution prepared by adding 30 mL of n-butyllithium solution with a concentration of 2.5 mol / L to n-hexane solution; the molar ratio of molybdenum disulfide to n-butyllithium is 1:1.2;

[0020] Step 2, preparing polyaniline and molybdenum disulfide intercalation composite material:

[0021] Take 100mL of graphene-like molybdenum disulfide suspension and place it in a 250mL three-necked flask, the...

Embodiment 2

[0026] Step 1, preparation of graphene-like molybdenum disulfide suspension:

[0027] Weigh 10 g of molybdenum disulfide with a particle size of 45 μm, and place the molybdenum disulfide in n-butyl lithium in n-hexane solution under dry nitrogen protection conditions, and stir for 72 hours. Filter, wash the solid with n-hexane, dry, then add 800mL of water and ultrasonically react for 30min to obtain a suspension of graphene-like molybdenum disulfide; the n-hexane solution of n-butyllithium is 95% n-hexane A mixed solution prepared by adding 25 mL of n-butyllithium solution with a concentration of 2.5 mol / L to the alkane solution; the molar ratio of the amount of molybdenum disulfide to the amount of n-butyllithium is 1:1;

[0028] Step 2, preparing polyaniline and molybdenum disulfide intercalation composite material:

[0029] Take 100mL of the graphene-like molybdenum disulfide suspension and place it in a 250mL three-necked flask, add 10mL of aniline monomer, 8g of potassi...

Embodiment 3

[0031] Step 1, preparation of graphene-like molybdenum disulfide suspension:

[0032] Weigh 10 g of molybdenum disulfide with a particle size of 45 μm, and place the molybdenum disulfide in n-butyl lithium in n-hexane solution under dry nitrogen protection conditions, and stir for 48 hours. Filter, wash the solid with n-hexane, dry, then add 1000mL of water and ultrasonically react for 10min to obtain a suspension of graphene-like molybdenum disulfide; the n-hexane solution of n-butyllithium is 95% n-hexane A mixed solution prepared by adding 40 mL of n-butyllithium solution with a concentration of 2.5 mol / L to the alkane solution; the molar ratio of the molybdenum disulfide dosage to the n-butyllithium dosage is 1:1.6;

[0033] Step 2, preparing polyaniline and molybdenum disulfide intercalation composite material:

[0034]Take 50mL of graphene-like molybdenum disulfide suspension and place it in a 250mL three-necked flask, add 5mL of aniline monomer, 5g of ammonium persulfa...

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Abstract

The invention discloses a preparation method of a polyaniline and molybdenum disulfide intercalated composite material. The preparation method comprises the steps of preparing suspension of graphene molybdenum disulfide from molybdenum disulfide powder through a chemical intercalation process, adding an aniline monomer, an oxidizing agent and organic acid dopants, and implementing in-situ emulsion polymerization to prepare the polyaniline / molybdenum disulfide intercalated composite material. The preparation method is simple and convenient, controllable and environment-friendly; the material is in emulsion or solid powder, and can be formed by coating, deposition, or pressing powder thereof, and other methods; the material is uniform in texture, stable in performance, and excellent in both photoelectrical performance and thermal stability; and the composite material is applicable to the fields of photoelectronic devices such as a secondary battery, a super-capacitor, an electromagnetic shielding device, an antistatic device, a field effect transistor, a sensor, an organic electroluminescence device and the like.

Description

technical field [0001] The invention belongs to the technical field of conductive polymer preparation, and in particular relates to a preparation method of a polyaniline and molybdenum disulfide intercalation composite material. Background technique [0002] Polyaniline is considered to be one of the most promising conductive polymers for its diverse structures, unique doping mechanism, superior environmental stability, cheap and easy-to-obtain raw materials, and simple preparation process. Molybdenum disulfide has a layered structure, and mechanical or chemical exfoliation techniques can be used to form graphene-like molybdenum disulfide, that is, a two-dimensional layered structure composed of a single layer or several layers of molybdenum disulfide. Molybdenum has a special energy band structure, so it has special photophysical properties, such as light absorption, fluorescence emission, etc. Compared with the zero band gap of graphene, it shows a brighter prospect in th...

Claims

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Application Information

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IPC IPC(8): C08G73/02C08K9/04C08K3/30
Inventor 汪瑾李为刘凌子吴宗超
Owner HEFEI UNIV OF TECH
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