Modified graphene with reinforced photoelectric effects

A photoelectric effect, graphene technology, applied in the field of polymers, can solve problems such as agglomeration, achieve the effect of preventing compounding, solving graphene agglomeration, and increasing the modification effect

Inactive Publication Date: 2017-01-04
SHAOXING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a modified graphene that enhances the photoelectric effect. The present invention adopts the method of multi-layer internal and external modification to solve the problem of agglomeration in material application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of modified graphene that enhances the photoelectric effect, its formula is as follows: 80 parts of natural graphite, 10 parts of strong oxidant, 3 parts of the first dispersant, 6 parts of the second dispersant, 10 parts of the first modifier, the second modification 20 parts of agent, 3 parts of penetrating agent, 10 parts of silicone resin, 15 parts of metal oxide, 1 part of leveling agent, 20 parts of polyethylene glycol.

[0029] The strong oxidizing agent adopts potassium permanganate.

[0030] The first dispersant is polyvinylpyrrolidone, and the polyvinylpyrrolidone is model K90.

[0031] The second dispersant is sodium polystyrene sulfonate.

[0032] The first modifying agent adopts octadecylamine.

[0033] The second modifying agent is a quaternary ammonium salt, and the quaternary ammonium salt includes dodecyltrimethylammonium chloride.

[0034] The penetrating agent adopts fatty alcohol polyoxyethylene ether.

[0035] The silicone resin adopts or...

Embodiment 2

[0047] A kind of modified graphene that enhances photoelectric effect, its formula is as follows: 100 parts of natural graphite, 15 parts of strong oxidant, 7 parts of first dispersant, 11 parts of second dispersant, 20 parts of first modifier, second modified 35 parts of agent, 7 parts of penetrating agent, 15 parts of silicone resin, 25 parts of metal oxide, 7 parts of leveling agent, 28 parts of polyethylene glycol.

[0048] The strong oxidizing agent adopts potassium dichromate.

[0049] The first dispersant is polyvinylpyrrolidone, and the polyvinylpyrrolidone is model K90.

[0050] The second dispersant is sodium dodecylbenzenesulfonate.

[0051] The first modifying agent adopts octadecylamine.

[0052] The second modifying agent is a quaternary ammonium salt, and the quaternary ammonium salt includes tetradecyltrimethylammonium chloride.

[0053] The penetrating agent adopts fatty alcohol polyoxyethylene ether.

[0054] The silicone resin adopts organic silicon resi...

Embodiment 3

[0066] A kind of modified graphene that enhances the photoelectric effect, its formula is as follows: 90 parts of natural graphite, 13 parts of strong oxidant, 5 parts of the first dispersant, 9 parts of the second dispersant, 15 parts of the first modifier, the second modification 27 parts of agent, 5 parts of penetrating agent, 12 parts of silicone resin, 20 parts of metal oxide, 4 parts of leveling agent, 24 parts of polyethylene glycol.

[0067] The strong oxidizing agent adopts potassium permanganate.

[0068] The first dispersant is polyvinylpyrrolidone, and the polyvinylpyrrolidone is model K90.

[0069] The second dispersant is sodium polystyrene sulfonate.

[0070] The first modifying agent adopts octadecylamine.

[0071] The second modifying agent is a quaternary ammonium salt, and the quaternary ammonium salt includes cetyltrimethylammonium bromide.

[0072] The penetrating agent adopts fatty alcohol polyoxyethylene ether.

[0073] The silicone resin adopts orga...

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PUM

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Abstract

The invention discloses modified graphene with reinforced photoelectric effects. The modified graphene is characterized in that the modified grapheme comprises 80-100 parts of natural graphite, 10-15 parts of a strong oxidizer, 3-7 parts of a first dispersing agent, 6-11 parts of a second dispersing agent, 10-20 parts of a first modifying agent, 20-35 parts of a second modifying agent, 3-7 parts of a penetrating agent, 10-15 parts of silicon resin, 15-25 parts of metal oxide, 1-7 parts of a flatting agent and 20-28 parts of polyethylene glycol. According to the modified graphene disclosed by the invention, a multi-layer internal and external modified method is used, so that the problem of agglomeration in material application is solved.

Description

technical field [0001] The invention belongs to the technical field of macromolecules, and in particular relates to a modified graphene that enhances the photoelectric effect. Background technique [0002] Graphene itself is prepared from graphite, but its theoretical specific capacity is twice that of graphite (graphite 372mAhg -1 , graphene 744 mAhg -1 ). Graphene itself is very thin, wrapping other compounds to form a composite, which can further improve the applicability. However, graphene is easy to agglomerate, which leads to poor dispersion performance of graphene in solvents and irreversible agglomeration, resulting in an increase in the thickness of the graphene layer. In response to this problem, graphene is modified in multiple levels to solve the problem of agglomeration in material applications. Contents of the invention [0003] The purpose of the present invention is to provide a modified graphene that enhances the photoelectric effect. The present inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/04
CPCC01B2204/22
Inventor 刘伟
Owner SHAOXING UNIVERSITY
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