Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A kind of nanoporous graphene and its preparation method and application

A graphene and nanopore technology, applied in the direction of graphene, single-layer graphene, nano-carbon, etc., can solve the problems of inability to guarantee the complete pore size, harsh process conditions, complex process conditions, etc., and achieve large horizontal scale and orderly. High performance, high field effect mobility

Active Publication Date: 2021-09-24
HUBEI UNIV
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the process conditions of the first method are complicated, and the size of the prepared pores is generally several nanometers to hundreds of nanometers, which cannot ensure that the pore size is completely uniform; the process conditions of the second method are harsh, requiring high temperature and high vacuum, and the obtained nanomaterials The lateral size is very small, only a few nanometers to a dozen nanometers, and the material is loaded on the metal surface without independent existence, so it cannot be regarded as graphene in the true sense

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of nanoporous graphene and its preparation method and application
  • A kind of nanoporous graphene and its preparation method and application
  • A kind of nanoporous graphene and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Under the protection of argon, 1mg of 1,3,5-benzenetriboronic acid tripinacol ester (CA number: 365564-05-2, FW: 455.996), 1mg of 1,3,5-triiodobenzene (CAS number: 626-44-8, FW:455.801) and 10mg tetrakis(triphenylphosphine)palladium Pd(PPh 3 ) 4 Dissolve in 20mL of toluene to obtain an organic solution, and dissolve 10mg of sodium carbonate in 10mL of water to obtain an aqueous solution of sodium carbonate. The organic solution and the sodium carbonate aqueous solution were placed in the same container to form an interface, and stood still for 30 days at 2°C to obtain nanoporous graphene at the interface.

[0039] The nanoporous graphene was fished out from the silicon circle with the prepared gold electrode, washed three times with toluene, dichloromethane, water, and ethanol respectively, dried naturally and then vacuum-dried at room temperature, and the dried nanoporous graphite was The alkene is directly loaded on the glass slide, and observed with an optical micr...

Embodiment 2

[0047] Under the protection of argon, 1mg of 1,3,5-benzenetriboronic acid tripinacol ester (CA number: 365564-05-2, FW: 455.996), 1mg of 1,3,5-triiodobenzene (CAS number: 626-44-8, FW:455.801) and 10mg tetrakis(triphenylphosphine)palladium Pd(PPh 3 ) 4 Dissolve in 20 mL of chloroform to obtain an organic solution, and dissolve 10 mg of sodium carbonate in 10 mL of water to obtain an aqueous solution of sodium carbonate. The organic solution and the sodium carbonate aqueous solution are placed in the same container to form an interface, and left to stand for 30 days at 2°C to obtain nanoporous graphene at the interface.

[0048] The nanoporous graphene was fished out from the silicon circle with the gold electrode prepared, washed three times with toluene, dichloromethane, water, and ethanol respectively, dried naturally and then vacuum-dried at room temperature, and the nanoporous graphene was measured. The field effect mobility is 9.1×10 -3 cm 2 / Vs.

Embodiment 3

[0050] Under the protection of argon, 1mg 1,3,5-benzenetriboronic acid tripinacol ester (CA number: 365564-05-2, FW: 455.996), 1.5mg 1,3,5-tribromobenzene (CAS number : 626-44-8, FW: 455.801) and 10 mg dichlorobis(triphenylphosphine) palladium Pd(PPh3)2Cl 2 Dissolve in 20 mL of toluene to obtain an organic solution, and dissolve 10 mg of sodium hydroxide in 10 mL of water to obtain an aqueous solution of sodium hydroxide. The organic solution and the sodium hydroxide aqueous solution are placed in the same container to form an interface, and left to stand for 30 days at 10°C to obtain nanoporous graphene at the interface.

[0051] The nanoporous graphene was fished out from the silicon circle with the gold electrode prepared, washed three times with toluene, dichloromethane, water, and ethanol respectively, dried naturally and then vacuum-dried at room temperature, and the nanoporous graphene was measured. The field effect mobility is 1.5×10 -2 cm 2 / Vs.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a nanoporous graphene and its preparation method and application. The nanoporous graphene has a single-layer structure, or a multi-layer structure formed by periodically stacking a single-layer structure closely. The single-layer The structural unit of the structure is: the preparation method of the nanoporous graphene is: under the protection of an inert gas, the monomer A, the monomer B and the catalyst are dissolved in an organic solvent different from water to obtain an organic solution, Dissolving the alkali in water to generate an alkaline aqueous solution, placing the organic solution and the alkaline aqueous solution in the same container to form an interface, standing for 1-60 days at a temperature greater than 0°C and less than 100°C, and obtaining the above-mentioned nanoporous graphene. The nanoporous graphene has large lateral scale, high order and high field-effect mobility. The preparation method has mild conditions and simple operation. The nanoporous graphene can be used as a channel material for preparing field effect transistors and photoelectric effect tubes.

Description

technical field [0001] The invention relates to the technical field of functional materials, in particular to a nanoporous graphene and its preparation method and application. Background technique [0002] Graphene has properties such as huge relative area, high-strength mechanical properties, and excellent electrical conductivity. Since its discovery in 2004, this material has gained widespread attention and applications in the fields of electronics, energy storage, and environmental governance. However, the surface of the material is filled with atoms and electron clouds, there is no additional pore structure, and there is no direct energy band gap, which makes the material unable to be used directly in transistors. [0003] In order to enable its use in transistors, it was found that a direct energy band gap can be introduced into graphene by introducing a pore structure within the graphene. Based on this, various methods have been developed to transform it. There are t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C01B32/184H01L29/16H01L31/028
CPCC01B2204/02C01B2204/04C01B32/184H01L29/1606H01L31/028
Inventor 黎明周登
Owner HUBEI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com