CN106315531A - Black phosphorus modified by aromatic compound and preparation method and application thereof - Google Patents

Black phosphorus modified by aromatic compound and preparation method and application thereof Download PDF

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CN106315531A
CN106315531A CN201610707744.6A CN201610707744A CN106315531A CN 106315531 A CN106315531 A CN 106315531A CN 201610707744 A CN201610707744 A CN 201610707744A CN 106315531 A CN106315531 A CN 106315531A
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black phosphorus
aromatic compound
modified
preparation
phosphorus
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CN106315531B (en
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喻学锋
赵岳涛
王怀雨
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Hubei Xingfa Chemicals Group Co Ltd
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Shenzhen Institute of Advanced Technology of CAS
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/12Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K41/00Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
    • A61K41/0052Thermotherapy; Hyperthermia; Magnetic induction; Induction heating therapy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K41/00Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
    • A61K41/0057Photodynamic therapy with a photosensitizer, i.e. agent able to produce reactive oxygen species upon exposure to light or radiation, e.g. UV or visible light; photocleavage of nucleic acids with an agent
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/02Preparation of phosphorus
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/35Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction

Abstract

The invention provides black phosphorus modified by an aromatic compound and a preparation method and application thereof. The black phosphorus modified by the aromatic compound is a product obtained by combining black phosphorus and an aromatic group through a P-C covalent bond. The method comprises the step of performing reaction on diazonium salt of the aromatic compound and a black phosphorus raw material to prepare the black phosphorus modified by the aromatic compound. The application comprises preparation of a thin film transistor material, a cathode material of a battery, a flexible display material, an LED material, a photo-switch material, a biosensor material, a photodynamic therapy reagent and a photo-thermal therapy reagent from the modified black phosphorus. Based on lone pair electrons, the aromatic compound is coupled to the surface of the black phosphorus in a P-C covalent binding way, and the generation of a P-C bond occupies the lone pair electrons of phosphorus atoms, so that the phosphorus atoms lose the capacity of oxidization reaction; and meanwhile, by the existence of an aromatic nucleus, the black phosphorus can be protected, so that the stability of the black phosphorus is kept.

Description

A kind of black phosphorus through aromatic compound modification and preparation method and application
Technical field
The present invention relates to black phosphorus and preparation method and application, particularly relate to a kind of black phosphorus modified through aromatic compound And preparation method and application.
Background technology
Two-dimensional material is study hotspot in recent years, and Typical Representative includes the transition metal two of Graphene and semiconductor property Sulfide etc..From the beginning of 2014, occurring in that a kind of New Two Dimensional material black phosphorus (Black Phosphorus, BP), it is gathered around There are variable band-gap energy and good carrier mobility.The same with Graphene, black phosphorus can peel off into monoatomic layer thin slice, this The black phosphorus planting monolayer is also referred to as black phosphorus alkene.Black phosphorus the aspects such as machinery, electronics, optics, calorifics, acoustics have uniqueness character and Excellent performance.As a kind of direct band-gap semicondictor material, black phosphorus can replace silicon in the semiconductor industry, can be used for thin film brilliant The preparation of body pipe, the negative material of battery, flexible display material, LED, photoswitch, optical dynamic therapy reagent, photo-thermal therapy examination Agent, biosensor etc., just because of these character so that the research of black phosphorus presents explosive growth in these 2 years (H.O.Churchill,P.Jarillo-Herrero,Nat.Nanotechnol.2014,9,330;L.Li,Y.Yu,G.J.Ye, Q.Ge,X.Ou,H.Wu,D.Feng,X.H.Chen,Y.Zhang,Nat.Nanotechnol.2014,9,372;J.S.Qiao, X.H.Kong,Z.X.Hu,F.Yang,W.Ji,NatureCommun.2014,5,4475;D.Xiang,C.Han,J.Wu, S.Zhong,Y.Y.Liu,J.D.Lin,X.A.Zhang,W.P.Hu,B.A.H.CatroNeto,A.T.Shen Wee,W.Chen,Nature Commun.2014,6,6485;X.M.Wang,A.M.Jones,K.L.Seyler,V.Tran, Y.C.Jia,H.Zhao,H.Wang,L.Yang,X.D.Xu,F.N.Xia,Nat.Nanotechnol.2015,10,517; J.Sun,H.W.Lee,M.Pasta,H.T.Yuan,G.Y.Zheng,Y.M.Sun,Y.Z.Li,Y.Cui, Nat.Nanotechnol.2015.)。
Black phosphorus is the form that white phosphorus reacts a kind of new phosphorus simple substance of generation at high temperature under high pressure, former with the four of white phosphorus phosphorus Molecular tetradecahedral crystal structure is different, and the crystal structure of black phosphorus is rearranged at high temperature under high pressure, substantial amounts of phosphorus Atom is connected with each other, formed a regular array planar structure (H.O.Churchill, P.Jarillo-Herrero, Nat.Nanotechnol.2014,9,330).In this plane, each phosphorus atoms is all connected with other three phosphorus atoms, And there is certain bond distance and bond angle;It is packed together by Van der Waals force between plane and plane.
Although having the performance of excellence, but black phosphorus, particularly black phosphorus alkene have a critical defect: unstable in atmosphere, Expose and the most easily slowly aoxidized by oxygen, generate oxide and the phosphoric acid of phosphorus, cause the disintegration of black phosphorus two-dimensional structure, and And then affect its function.The mechanism that black phosphorus is oxidized at present has been illustrated: phosphorus atoms easily carries out reaction generate phosphorus with oxygen Oxide, the oxide of phosphorus and then and air in moisture carry out reaction generate phosphoric acid (A.Favron, E.Gaufres, F.Fossard,A.L.P.L’Heureux,N.Y.W.Tang,P.L.Lévesque,A.Loiseau,R.Leonelli, S.Francoeur,R.Martel,Nature Mater.2015,14,826.).The structure of black phosphorus can be caused brokenly by whole process Bad so that it is to lose the performance at the aspect such as electricity, optics.Therefore, how to solve the problem that black phosphorus is the most oxidized, maintain its structure With stablizing of performance, become the key issue affecting black phosphorus development.
In order to solve the stability problem of black phosphorus, researchers are by different methods difference on the surface of black phosphorus covers Material, with starvation and moisture, reduce phosphorus atoms and black phosphorus be placed in silica-based by the touch opportunity of oxygen moisture: Wood et al. Surface, titanium, gold and the oxide of aluminum on the upper surface of black phosphorus covers successively so that the stability of black phosphorus is strengthened (J.D.Wood,S.A.Wells,D.Jariwala,K.S.Chen,E.K.Cho,V.K.Sangwan,X.L.Liu, L.J.Lauhon,T.J.Marks,M.C.Hersam,Nano Lett.2014,14,6964.);Black phosphorus is placed in three by Kim et al. The surface of Al 2 O, the upper surface at black phosphorus also covers last layer aluminium sesquioxide simultaneously so that the only phosphorus atoms of side Could contact with oxygen, and compared with upper and lower surface, the phosphorus atoms quantity of side is little, therefore can improve the stability of black phosphorus ((J.S.Kim,Y.Liu,W.Zhu,S.Kim,D.Wu,L.Tao,A.Dodabalapur,K.Lai,D.Akinwande, Sci.Rep.2015,5,8989.);Lee et al. is by the method for atomic deposition nano level titanium dioxide on black phosphorus surface deposits Titanium, also can improve black phosphorus stability (H.U.Lee, S.C.Lee, J.Won, B.C.Son, S.Choi, Y.Kim, S.Y.Park, H.S.Kim,Y.C.Lee,J.Lee,Sci.Rep.2015,5,8691.)。
Existing technical scheme, core thinking is to cover other material on the surface of black phosphorus, reduce black phosphorus and oxygen and The contact of moisture, its effect solving black phosphorus oxidized is not very good, therefore, it is necessary to find new solution black phosphorus quilt The technical scheme of oxidation.
Summary of the invention
An object of the present invention is to provide a kind of new black phosphorus modified through aromatic compound, to avoid black phosphorus to exist In air oxidized, keep stablizing of its structure and performance.
Another object of the present invention is to provide the preparation method of a kind of described black phosphorus modified through aromatic compound.
Another object of the present invention is to provide the compositions containing the described black phosphorus modified through aromatic compound.
It is still another object of the present invention to provide the described black phosphorus modified through aromatic compound or the compositions containing it Application.
For achieving the above object, on the one hand, the present invention provides a kind of black phosphorus modified through aromatic compound, described through virtue The black phosphorus that fragrant compounds of group is modified is the product that black phosphorus is combined by P-C covalent bond with aromatic group.
According to the detailed description of the invention of the present invention, the black phosphorus structural representation modified through aromatic compound of the present invention As described in Figure 1.Phosphorus atoms during black ball represents black phosphorus in Fig. 1, it is combined by P-C covalent bond with aromatic group.
According to the detailed description of the invention of the present invention, aromatic group of the present invention is for replacing or the most substituted phenyl.
Preferably, described replacement or the most substituted phenyl have a structure shown in formula (I):
R in formula (I)1~R5It is each independently hydrogen atom, halogen atom, nitro, hydroxyl, C1~6Alkyl, C1~3Alkoxyl;
This C1~6Alkyl is unsubstituted or replaces through one or more (such as 1~3) following group: halogen atom, nitre Base, hydroxyl, amino, methyl, ethyl, n-pro-pyl;
This C1~3Alkoxyl is unsubstituted or replaces through one or more (such as 1~3) following group: halogen atom, nitre Base, hydroxyl, amino, methyl, ethyl, n-pro-pyl.
C of the present invention1~6Alkyl is preferably C1~3Alkyl.This C1~3Alkyl is unsubstituted or through one or more (such as 1 ~3) replacement of following group: halogen atom, nitro, hydroxyl, amino, methyl, ethyl, n-pro-pyl.
Exemplary substituted C1~3Alkyl includes-CF3
C of the present invention1~6Alkyl refers to the straight or branched alkyl that carbon number is 1~6, includes but not limited to first Base, ethyl, n-pro-pyl, isopropyl, normal-butyl, isobutyl group, the tert-butyl group, n-pentyl, isopentyl, sec-amyl, neopentyl, just oneself Base, isohesyl etc..
C of the present invention1~3Alkyl refers to the straight or branched alkyl that carbon number is 1~3, including methyl, ethyl, just Propyl group, isopropyl.
C of the present invention1~3Alkoxyl is described C1~3The alkoxyl that alkyl is formed with oxygen.
Halogen of the present invention includes fluorine, chlorine, bromine or iodine, preferably fluorine.
It is highly preferred that described replacement or the most substituted phenyl have a following structure:
As it was previously stated, the black phosphorus of unmodified is unstable in water or air, it is oxidized easily, generates oxide and the phosphorus of phosphorus Acid, causes the disintegration of black phosphorus structure and the disappearance of performance.The present invention thinks that black phosphorus the most easily reacts with oxygen, is Because after phosphorus atoms and other three phosphorus atoms bondings, outer layer still has a pair lone pair electrons, and these lone pair electrons are easily by oxygen molecule Seize, cause the oxidation of black phosphorus.Prior art is not started with from lone pair electrons and is solved the problem of oxidation of black phosphorus, only at black phosphorus table Face covers other materials upper, and lone pair electrons yet suffer from, and therefore black phosphorus still has oxidized possibility.The present invention is from lone pair electrons Setting out, on black phosphorus surface with aromatic compound in P-C covalently bound mode coupling, it is former that the generation of P-C key i.e. occupies phosphorus The lone pair electrons of son, are allowed to lose the ability with oxygen reaction, and black phosphorus also can be played protection and make by the existence of aromatic rings simultaneously With, thus keep the stability of black phosphorus.
The present invention, from the lone pair electrons of black phosphorus phosphorus atoms, designs in the covalently bound mode of P-C even on black phosphorus surface Connection aromatic compound, the generation of P-C key occupies the lone pair electrons of phosphorus atoms, forms stable covalent bond, to reach stable The purpose of phosphorus atoms lone pair electrons, experiment shows that the present invention can keep black phosphorus brilliant through the black phosphorus that aromatic compound is modified very well Body structure and be greatly enhanced the oxidation resistance of black phosphorus.
On the other hand, the present invention provides the preparation method of a kind of above-mentioned black phosphorus modified through aromatic compound, described system Preparation Method includes making the diazol of aromatic compound and black phosphorus raw material reaction described to modify through aromatic compound to prepare The step of black phosphorus.
According to the detailed description of the invention of the present invention, the diazol of aromatic compound of the present invention includes aromatic compound One or more in the diazonium tetrafluoroborate of thing, pyrazoles diazonium inner salt and three dish alkene diazols.
Exemplarily, the method for the invention reaction as shown in Figure 2 is carried out.The diazonium of the aromatic compound in Fig. 2 Salt is to replace or the diazonium tetrafluoroborate of not substituted benzene, R in figure1~R5As defined above identical with formula (I) of definition.
According to the detailed description of the invention of the present invention, the method for the invention comprises the steps:
Described black phosphorus raw material is dissolved in organic solvent, adds tetra-tert amine hexafluorophosphate and described aromatic compound The diazol of thing, lucifuge reaction obtains the described black phosphorus modified through aromatic compound;Or
Described black phosphorus raw material is supported in substrate, then makes it containing tetra-tert amine hexafluorophosphate and described virtue In the organic solvent of the diazol of fragrant compounds of group, lucifuge reaction obtains the described black phosphorus modified through aromatic compound.
Optionally, after having reacted, the organic solvent that reaction can be used to be used washs, and obtain after purification is logical Cross P-C key and the covalently bound black phosphorus of aromatic compound.
In the method for the invention, described organic solvent includes but not limited to acetonitrile, ethanol, isopropanol, acetone, acetic acid In ethyl ester, dichloromethane, chloroform, oxolane, N-Methyl pyrrolidone, N,N-dimethylformamide and dimethyl sulfoxide One or more.
In the method for the invention, described substrate includes but not limited to silicon chip, such as include surface be not coated with by silicon chip, Surface is coated with by silicon dioxide or the silicon chip etc. of silicon nitride.
In the method for the invention, described tetra-tert amine hexafluorophosphate concentration in reaction system be 0.01~ 10mol/L。
In the method for the invention, the diazol of described aromatic compound concentration in reaction system be 0.01~ 100mmol/L。
In the method for the invention, described reaction is to react 1~24h at 20~40 DEG C.
In the method for the invention, described black phosphorus raw material concentration in reaction system is 10 μ g/ml~10mg/ml.
If do not conflicted, the technical characteristic in preceding method of the present invention can combination in any, as long as institute of the present invention can be prepared State the black phosphorus modified through aromatic compound.Such as, described method comprises the steps:
Black phosphorus raw material is dissolved in organic solvent, makes final concentration of 10 μ g/ml~10mg/ml of black phosphorus raw material, be added in Concentration in reaction system is the tetra-tert amine hexafluorophosphate of 0.01~10mol/L and the concentration in reaction system is The diazol of the aromatic compound of 0.01~100mmol/L, reacts 1~24h, after having reacted at 20~40 DEG C, use anti- Answer used organic solvent to wash, obtain the described black phosphorus modified through aromatic compound;Or
The black phosphorus raw material that concentration is 10 μ g/ml~10mg/ml is dissolved in organic solvent, drops in substrate, treat that solvent is certainly The most dried must be supported on suprabasil black phosphorus raw material, then make it at the tetra-tert amine six that concentration is 0.01~10mol/L In the organic solvent system of the diazol of fluorophosphate and aromatic compound that concentration is 0.01~100mmol/L, 20~40 Reacting 1~24h, after having reacted at DEG C, the organic solvent using reaction to be used washs, and obtains described through aromatic series The black phosphorus that compound is modified.
Another further aspect, the present invention provides a kind of compositions, and it contains of the present invention modifies through aromatic compound Black phosphorus or the black phosphorus modified through aromatic compound prepared by described preparation method.
Another further aspect, the present invention provides the described black phosphorus through aromatic compound modification or by described preparation method system Through aromatic compound modify black phosphorus or described compositions prepare thin-film-transistor material, the negative material of battery, In flexible display material, LED material, optical switch material, biosensor material, optical dynamic therapy reagent or photo-thermal therapy reagent Application.
Thin-film-transistor material of the present invention refers to the material for constructing TFT semiconductors layer.
The negative material of battery of the present invention refers to constitute in battery the material of negative pole.
Flexible display material of the present invention refer to for prepare flexible display apparatus soft, changeable type is flexible Material.
LED material of the present invention refers to the semi-conducting material for constructing light emitting diode basic structure.
Optical switch material of the present invention refers to the optical signal physics switching that can realize in optical transmission line or integrated optical circuit Or the semi-conducting material of logical operation.
Optical dynamic therapy reagent of the present invention refers to the material with photodynamic effect.Photodynamic effect is a kind of aerobic The Photosensitive reaction of the adjoint biological effect that molecule participates in.Its process is, the laser of specific wavelength irradiates the light making tissue resorption Quick dose is excited, and the photosensitizer of excited state passes to the oxygen of surrounding energy, generates the singlet oxygen that activity is the strongest, singlet Oxygen and adjacent biomacromolecule generation oxidation reaction, produce cytotoxic effect, and then cause cell damage or even death.
Photo-thermal therapy reagent of the present invention refers to that the material for photo-thermal therapy method, this material have high light heat and turn Change the material of efficiency, be injected into inside of human body during use so that it is be gathered near tumor tissues, and at the photograph of external light source Penetrate down and convert light energy into heat energy and carry out treating and such as kill cancerous cell etc..
Biosensor material of the present invention refers to sensitive to biological substance and its concentration can be converted to electricity or light Signal carries out the material detected.
According to specific embodiments of the present invention, black phosphorus of the present invention or black phosphorus raw material include but not limited to black phosphorus alkene, Black phosphorus nanometer sheet or black phosphorus crystal, preferably black phosphorus nanometer sheet.
Black phosphorus alkene of the present invention refers to monoatomic layer black phosphorus thin slice.
Black phosphorus nanometer sheet of the present invention refers to more than two atomic layers, the thickness black phosphorus thin slice less than 100nm.
Black phosphorus crystal of the present invention refers to black phosphorus bulk crystals under macroscopic macro-scale.
In sum, the present invention is from the lone pair electrons of black phosphorus phosphorus atoms, with the diazol of aromatic compound and black Phosphorus reacts, and generates stable P-C covalence key, improves the non-oxidizability of black phosphorus.This black scale can be at thin film transistor (TFT) Preparation, the negative material of battery, flexible display material, LED, photoswitch, optical dynamic therapy reagent, photo-thermal therapy reagent, life The fields such as thing sensor have and are more widely applied.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the black phosphorus modified through aromatic compound of the present invention.
Fig. 2 is the exemplary response diagram of the method for the invention.
Fig. 3 is x-ray photoelectron spectroscopy (XPS) figure through the black phosphorus to methoxybenzene modification obtained in embodiment 1.
Fig. 4 a, Fig. 4 b are respectively the most modified black phosphorus nanometer sheet and expose 4 days and 7 days rear surface figures in atmosphere.
Fig. 5 a, Fig. 5 b are respectively the black phosphorus modified through p-nitrophenyl and expose exterior view after 4 days and 7 days in atmosphere.
Fig. 6 a, Fig. 6 b are respectively the black phosphorus modified through p-methoxyphenyl and expose surface after 4 days and 7 days in atmosphere Figure.
The black phosphorus of the black phosphorus that Fig. 7 a, Fig. 7 b respectively modify through 2,4 dichloro benzene base exposes in atmosphere after 4 days and 7 days Exterior view.
Fig. 8 a is that 7 days rear surface figures placed by the most modified black phosphorus, and Fig. 8 b is that the black phosphorus through modifying methoxybenzene places 7 It rear surface figure.
Fig. 9 is the black phosphorus transmission electron microscope picture through modifying methoxybenzene.
Figure 10 is through the high-resolution-ration transmission electric-lens to the black phosphorus that methoxybenzene is modified.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and beneficial effect are more clearly understood from, in conjunction with being embodied as Technical scheme is carried out described further below by example and accompanying drawing, it should be understood that these examples be merely to illustrate the present invention and not For limiting the scope of the present invention.
Embodiment 1
Black phosphorus nanometer sheet being dissolved in acetonitrile solvent so that it is concentration is 100 μ g/ml, being added in concentration in system is 0.5M Tetra-tert amine hexafluorophosphate and in system concentration be 50mM to methoxybenzene diazonium tetrafluoroborate, keep away at 30 DEG C Photoreaction 20h, the black phosphorus that centrifugal 10min must modify through p-methoxyphenyl under conditions of 10000rpm.
Carry out elementary analysis (as shown in Figure 3) with the x-ray photoelectron spectroscopy (XPS) product to obtaining, find P elements Momentum profiles in except the black phosphorus feature P2p peak of about 130eV, near 133eV, have also appeared the characteristic peak of C-P key, and The peak of nitrogen element disappears, and illustrates that diazol and black phosphorus are successfully made reaction, the carbon atom that phenyl ring was originally connected with diazo Success and black phosphorus have carried out covalent bond.
Embodiment 2
Be that 20 μ g/ml black phosphorus nanometer sheet are dissolved in acetonitrile by concentration, drop in be not coated with by silicon chip substrate on, natural drying obtains It is supported on not by the black phosphorus nanometer sheet on the substrate silicon chip being coated with quilt, then makes it at the tetra-tert amine six that system concentration is 0.1M Lucifuge reaction 15h at 25 DEG C in the acetonitrile solution of fluorophosphate and p-nitrophenyl diazonium tetrafluoroborate that system concentration is 1mM The black phosphorus must modified through p-nitrophenyl.
Embodiment 3
Be that black phosphorus nanometer sheet is dissolved in acetonitrile by concentration 500 μ g/ml, drop in surface be coated with by the silicon chip substrate of silicon dioxide from So it is dried to obtain and is supported on surface and is coated with by the black phosphorus nanometer sheet on the substrate silicon chip of silicon dioxide, then make it at system concentration be The acetonitrile of the tetra-tert amine hexafluorophosphate of 2.5M and 2,4 dichloro benzene diazonium tetrafluoroborate that system concentration is 100mM is molten In liquid, lucifuge reaction 24h at 35 DEG C, obtains through 2, the black phosphorus that 4-Dichlorobenzene base is modified.
Embodiment 4
Before carrying out covalent bond with aromatic compound, the most modified black phosphorus stability extreme difference, in atmosphere by Be oxidized to phosphorus pentoxide, and then and water generate phosphoric acid, produce a large amount of air bubble-shaped forms on black phosphorus surface, and over time Extending, bubbleization is increasingly severe, and as shown in Fig. 4 a and Fig. 4 b, Fig. 4 a, Fig. 4 b are respectively and expose in atmosphere after 4 days and 7 days Black phosphorus nanometer sheet exterior view, the most modified black phosphorus bubbleization is serious.
The present embodiment respectively with previous embodiment obtain through p-nitrophenyl modify black phosphorus, repair through p-methoxyphenyl Decorations black phosphorus and through 2,4 dichloro benzene base modify black phosphorus as a example by observe with aromatic compound carry out covalent bond it The stability of rear black phosphorus nanometer sheet, the black phosphorus that wherein Fig. 5 a, Fig. 5 b are respectively through p-nitrophenyl modification exposes 4 days in atmosphere With the exterior view after 7 days;Fig. 6 a, Fig. 6 b are respectively the black phosphorus through modifying methoxybenzene and expose in atmosphere after 4 days and 7 days Exterior view;Fig. 7 a, Fig. 7 b are respectively through 2, and the black phosphorus that 4-Dichlorobenzene base is modified exposes exterior view after 4 days and 7 days in atmosphere, The exposure condition of Fig. 5 a~Fig. 7 b exterior view is identical with Fig. 4 a, Fig. 4 b, and observation condition is also identical with Fig. 4 a, Fig. 4 b.
Comparison diagram 4a~4b is from Fig. 5 a~Fig. 7 b it can be seen that after carrying out covalent bond with aromatic compound, black The stability of phosphorus nanometer sheet is greatly improved, surface no longer bubble, and can the long period stable in the air.
As a example by black phosphorus is modified by the diazol to methoxybenzene, by the observation of atomic force microscope, Ke Yi Observing stability difference that is the most modified and that pass through the black phosphorus modified in less dimension, as shown in Fig. 8 a, Fig. 8 b, Fig. 8 a is not 7 days rear surface figures placed by modified black phosphorus, and Fig. 8 b is that the black phosphorus through modifying methoxybenzene is under conditions of identical with Fig. 8 a Place 7 days rear surface figures, comparison diagram 8a and Fig. 8 b it can be seen that 7 days rear surface seriously bubbles placed by the most modified black phosphorus Change, and the 7 days rear surfaces of black phosphorus placement through modifying methoxybenzene are the most smooth.
As a example by black phosphorus is modified by the diazol to methoxybenzene, by transmission electron microscope (Fig. 9) and high-resolution transmission Electronic Speculum (Figure 10), can observe and be able to the crystal structure of the black phosphorus that methoxybenzene black phosphorus places 7 days very well after modifying Holding.
Finally illustrate: above example is merely to illustrate implementation process and the feature of the present invention, and unrestricted is sent out Bright technical scheme, although being described in detail the present invention with reference to above-described embodiment, those of ordinary skill in the art should Work as understanding: still the present invention can be modified or equivalent, without departing from the spirit and scope of the present invention any Amendment or local are replaced, and all should contain in the middle of protection scope of the present invention.

Claims (10)

1. the black phosphorus modified through aromatic compound, the described black phosphorus modified through aromatic compound is black phosphorus and aromatic radical The product that group is combined by P-C covalent bond.
The most according to claim 1 through aromatic compound modify black phosphorus, wherein, described aromatic group for replace or not Substituted phenyl;
Preferably, described replacement or the most substituted phenyl have a structure shown in formula (I):
R in formula (I)1~R5It is each independently hydrogen atom, halogen atom, nitro, hydroxyl, C1~6Alkyl, C1~3Alkoxyl;
This C1~6Alkyl be unsubstituted or through one or more following groups replace: halogen atom, nitro, hydroxyl, amino, methyl, Ethyl, n-pro-pyl;
This C1~3Alkoxyl is unsubstituted or replaces through one or more following groups: halogen atom, nitro, hydroxyl, amino, first Base, ethyl, n-pro-pyl.
The black phosphorus modified through aromatic compound the most according to claim 2, wherein, described replacement or the most substituted phenyl There is following structure:
4. according to the black phosphorus modified through aromatic compound according to any one of claims 1 to 3, wherein, described black phosphorus bag Include black phosphorus alkene, black phosphorus nanometer sheet or black phosphorus crystal, preferably black phosphorus nanometer sheet.
5. the preparation method of the black phosphorus modified through aromatic compound according to any one of Claims 1 to 4, described preparation method Including making the diazol of aromatic compound and black phosphorus raw material reaction to prepare the described black phosphorus modified through aromatic compound Step;
Preferably, described black phosphorus raw material is dissolved in organic solvent, adds tetra-tert amine hexafluorophosphate and described aromatic series The diazol of compound, lucifuge reaction obtains the described black phosphorus modified through aromatic compound;Or
Described black phosphorus raw material is supported in substrate, then makes it containing tetra-tert amine hexafluorophosphate and described aromatic series In the organic solvent of the diazol of compound, lucifuge reaction obtains the described black phosphorus modified through aromatic compound.
Preparation method the most according to claim 5, wherein, the diazol of described aromatic compound includes aromatic compound One or more in the diazonium tetrafluoroborate of thing, pyrazoles diazonium inner salt and three dish alkene diazols.
Preparation method the most according to claim 5, wherein, described organic solvent include acetonitrile, ethanol, isopropanol, acetone, Ethyl acetate, dichloromethane, chloroform, oxolane, N-Methyl pyrrolidone, N,N-dimethylformamide and dimethyl are sub- One or more in sulfone;
Described substrate includes silicon chip, such as include surface be not coated with by silicon chip, surface be coated with by silicon dioxide or the silicon chip of silicon nitride.
8. according to the preparation method according to any one of claim 5~7, wherein, described black phosphorus raw material is in reaction system Concentration is 10 μ g/ml~10mg/ml;
Preferably, described tetra-tert amine hexafluorophosphate concentration in reaction system is 0.01~10mol/L;
Preferably, the diazol of described aromatic compound concentration in reaction system is 0.01~100mmol/L;
It is further preferred that described reaction is to react 1~24h at 20~40 DEG C.
9. a compositions, it contains the black phosphorus through aromatic compound modification according to any one of Claims 1 to 4 or power Profit requires the black phosphorus modified through aromatic compound that the preparation method according to any one of 5~8 prepares.
10. according to any one of Claims 1 to 4 through aromatic compound modify black phosphorus or claim 5~8 in arbitrary Preparation method described in Xiang prepare through aromatic compound modify black phosphorus or claim 9 described in compositions prepare thin Film transistor material, the negative material of battery, flexible display material, LED material, optical switch material, biosensor material, light Application in dynamic therapy reagent or photo-thermal therapy reagent.
CN201610707744.6A 2016-08-23 2016-08-23 A kind of black phosphorus modified through aromatic compound and preparation method and application Active CN106315531B (en)

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CN110660910A (en) * 2019-09-26 2020-01-07 中国科学院宁波材料技术与工程研究所 High-stability black phosphorus nanosheet and preparation method thereof, and resistive random access memory and preparation method thereof
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CN108622865A (en) * 2017-03-17 2018-10-09 天津大学 A kind of method of chemoproection black phosphorus
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WO2018182517A1 (en) * 2017-03-30 2018-10-04 National University Of Singapore Crystalline material, phototransistor, and methods of fabrication thereof
US11282972B2 (en) 2017-03-30 2022-03-22 National University Of Singapore Crystalline material, phototransistor, and methods of fabrication thereof
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CN108586520A (en) * 2018-06-05 2018-09-28 中国科学院深圳先进技术研究院 A method of using black phosphorus synthesis of organo-phosphines compound
CN109012709A (en) * 2018-08-08 2018-12-18 东南大学 The black phosphorus alkene and the preparation method and application thereof of metal Fe modification
CN111220579B (en) * 2018-11-27 2023-02-24 中国科学院深圳先进技术研究院 Method for detecting circulating tumor nucleic acid based on functionalized black phosphorus biosensor
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CN109880029A (en) * 2019-03-01 2019-06-14 中国科学院沈阳应用生态研究所 A kind of black phosphorus composite material and its preparation and application
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CN110028511A (en) * 2019-03-25 2019-07-19 华东理工大学 A method of chemoproection being carried out to black phosphorus by covalent modification using novel asymmetry fluorine-containing ZnPc diazonium salt
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