CN106115673A - A kind of preparation of two dimension class grapheme material - Google Patents

A kind of preparation of two dimension class grapheme material Download PDF

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Publication number
CN106115673A
CN106115673A CN201610467287.8A CN201610467287A CN106115673A CN 106115673 A CN106115673 A CN 106115673A CN 201610467287 A CN201610467287 A CN 201610467287A CN 106115673 A CN106115673 A CN 106115673A
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graphene
grapheme material
refers
preparation
class grapheme
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张颖鹤
黄俊峰
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ANHUI SUNROAD ENVIRONMENTAL MATERIAL Co Ltd
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ANHUI SUNROAD ENVIRONMENTAL MATERIAL Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B19/00—Selenium; Tellurium; Compounds thereof
    • C01B19/007—Tellurides or selenides of metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/064—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with boron
    • C01B21/0648—After-treatment, e.g. grinding, purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G27/00—Compounds of hafnium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G33/00—Compounds of niobium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G39/00—Compounds of molybdenum
    • C01G39/06—Sulfides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2204/00—Structure or properties of graphene
    • C01B2204/04—Specific amount of layers or specific thickness
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/20—Two-dimensional structures

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  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The invention discloses the preparation of a kind of two dimension class grapheme material, by stratified material ultrasonic disperse in a solvent, make the graphene dispersing solution of concentration 10 20%；Add titanium dioxide, the pH value of regulation reactant mixture, make pH value be not more than 7, at 30 DEG C～50 DEG C, carry out THE ADIABATIC SHEAR IN, obtain crude product；Wherein in reactant mixture, the mol ratio of water and titanium dioxide is more than 1 2:3；After standing 1 2h at 25 10 DEG C, decompression distillation, washing；It is dried at 90 170 DEG C, obtains two dimension class grapheme material.

Description

A kind of preparation of two dimension class grapheme material
Technical field
The present invention relates to grapheme material field, be exactly the preparation of a kind of two dimension class grapheme material.
Background technology
Actually Graphene is inherently present in nature, is simply difficult to separate single layer structure.Graphene is folded from level to level Getting up is exactly graphite, and the graphite of thick 1 millimeter comprises about 3,000,000 layer graphenes.Pencil streaks on paper gently, the vestige stayed It is possible to be which floor the most only layer graphene.
Graphene is in 2004 in the lab, at that time, and two scientist An Delie of Univ Manchester UK Jim and Ke Siteyanuowo disappear, and to find that they can obtain the thinnest graphite by a kind of very simple method thin for love Sheet.They separate graphite flake from highly oriented pyrolytic graphite, are then bonded on a kind of special adhesive tape on the two sides of thin slice, tear Come unglued band, just graphite flake can be divided into two.The most so operating, then thin slice is more and more thinner, and finally, they have only obtained The thin slice being made up of one layer of carbon atom, here it is Graphene.After this, the new method preparing Graphene emerged in an endless stream, through 5 years Development, it has been found that, the field that Graphene is brought into industrialized production comes within a measurable distance.Therefore, in subsequently three years, An Deliegaimu and Constantine's Nuo Woxiao love are found that integer quantum in monolayer and bilayer graphene system respectively Quantum hall effect under Hall effect and normal temperature condition, the most therefore they obtain 2010 annual Nobel Prizes in physics.
Before finding Graphene, most of physicisies are thought, thermodynamics fluctuation does not allow any two dimensional crystal having Exist at a temperature of limit.So, its discovery has shaken condensed matter physics academia immediately.Although theoretical and experiment circle is all thought Perfect two-dimensional structure cannot at non-absolute zero stable existence, but single-layer graphene is prepared out in an experiment.
Summary of the invention
It is an object of the invention to provide the preparation of a kind of two dimension class grapheme material.
Above-mentioned purpose is realized by below scheme:
A kind of preparation of two dimension class grapheme material, it is characterised in that: comprise the following steps:
(1) by stratified material ultrasonic disperse in a solvent, the graphene dispersing solution of concentration 10-20% is made；
(2) dispersion liquid of the Graphene obtained in step (1) adds titanium dioxide, the pH value of regulation reactant mixture, make pH Value is not more than 7, carries out THE ADIABATIC SHEAR IN, obtain crude product at 30 DEG C～50 DEG C；(3) crude product stands 1-at-25--10 DEG C After 2h, decompression distillation, washing；
(4) it is dried at 90-170 DEG C, obtains two dimension class grapheme material.
The preparation of described a kind of two dimension class grapheme material, it is characterised in that:
Described stratified material refer to Graphene, metal, semimetal, quasiconductor, insulator, superconductor and topological insulator and One in thermoelectricity gas.
The preparation of described a kind of two dimension class grapheme material, it is characterised in that:
Described Graphene is derivative from original graphite；Metal refers to NiTe2, VSe2；Semimetal refers to WTA2, TcS2；Quasiconductor refers to WS2, WSE2, molybdenum bisuphide, MoTe2, TAS2, RhTe2, PdTe2In one；Insulator refers to H-BN, HfS2；Superconductor refers to NbS2, NbSe2, NbTe2, TaSe2In one.
Stratified material such as Graphene (typically derives from original graphite), metal (such as, NiTe2, VSe2), half gold Belong to (such as, WTA2, it is worth TcS2), quasiconductor (such as, the choosing of WS2 WSE2, molybdenum bisuphide, MoTe2, TAS2, RhTe2, PdTe2), insulator (such as H-BN, HfS2), superconductor (as NbS2, NbSe2, NbTe2, TaSe2) and topological insulator and heat Electrically (such as, Bi2Se3, Bi2Te3 yl).In solution, the thickness of scattered material depends on the number of plies of two-dimensional material.
The invention have the benefit that the inventive method has that productivity is high, preparation technology simple, low cost, is prone to scale The features such as metaplasia product.
Detailed description of the invention
The preparation of a kind of two dimension class grapheme material, comprises the following steps:
(1) by stratified material ultrasonic disperse in a solvent, the graphene dispersing solution of concentration 20% is made；
(2) dispersion liquid of the Graphene obtained in step (1) adds titanium dioxide, the pH value of regulation reactant mixture, make pH Value is not more than 7, carries out THE ADIABATIC SHEAR IN, obtain crude product at 50 DEG C；(3), after crude product stands 1h at-15 DEG C, decompression is steamed Evaporate, washing；
It is dried at (4) 120 DEG C, obtains two dimension class grapheme material.
Described stratified material refers to Graphene, metal, semimetal, quasiconductor, insulator, superconductor and topology insulation One in body and thermoelectricity gas.
In solution, the thickness of scattered material depends on the number of plies of two-dimensional material, monolayer about 10%, and multilamellar is less than 30%, its More than be about 60% layer 2-3 structure.

Claims (3)

1. the preparation of a two-dimentional class grapheme material, it is characterised in that: comprise the following steps:
(1) by stratified material ultrasonic disperse in a solvent, the graphene dispersing solution of concentration 10-20% is made；
(2) dispersion liquid of the Graphene obtained in step (1) adds titanium dioxide, the pH value of regulation reactant mixture, make pH Value is not more than 7, carries out THE ADIABATIC SHEAR IN, obtain crude product at 30 DEG C～50 DEG C；Crude product stands 1-2h at-25--10 DEG C After, decompression distillation, washing；
(4) it is dried at 90-170 DEG C, obtains two dimension class grapheme material.
The preparation of a kind of two dimension class grapheme material the most according to claim 1, it is characterised in that:
Described stratified material refer to Graphene, metal, semimetal, quasiconductor, insulator, superconductor and topological insulator and One in thermoelectricity gas.
The preparation of a kind of two dimension class grapheme material the most according to claim 1, it is characterised in that:
Described Graphene is derivative from original graphite；Metal refers to NiTe2, VSe2；Semimetal refers to WTA2, TcS2；Quasiconductor refers to WS2, WSE2, molybdenum bisuphide, MoTe2, TAS2, RhTe2, PdTe2In one；Insulator refers to H-BN, HfS2；Superconductor refers to NbS2, NbSe2, NbTe2, TaSe2In one.
CN201610467287.8A 2016-06-24 2016-06-24 A kind of preparation of two dimension class grapheme material Pending CN106115673A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108287149A (en) * 2017-12-11 2018-07-17 深圳大学 A kind of surface plasmon resonance, preparation method and quantitative detecting method
CN108914206A (en) * 2018-08-07 2018-11-30 湖南大学 A kind of telluride nickel two-dimensional material and its preparation and application
CN110624572A (en) * 2019-09-29 2019-12-31 陕西科技大学 Flaky semimetal MoTe2And flaky semi-metal MoTe2Preparation method of/RGO

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103833032A (en) * 2014-03-11 2014-06-04 中国第一汽车股份有限公司 Graphene-based composite cathode material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103833032A (en) * 2014-03-11 2014-06-04 中国第一汽车股份有限公司 Graphene-based composite cathode material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108287149A (en) * 2017-12-11 2018-07-17 深圳大学 A kind of surface plasmon resonance, preparation method and quantitative detecting method
CN108914206A (en) * 2018-08-07 2018-11-30 湖南大学 A kind of telluride nickel two-dimensional material and its preparation and application
CN108914206B (en) * 2018-08-07 2020-02-18 湖南大学 Nickel telluride two-dimensional material and preparation and application thereof
CN110624572A (en) * 2019-09-29 2019-12-31 陕西科技大学 Flaky semimetal MoTe2And flaky semi-metal MoTe2Preparation method of/RGO

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Application publication date: 20161116