CN104961113B - A kind of method for preparing phosphorus alkene - Google Patents
A kind of method for preparing phosphorus alkene Download PDFInfo
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Abstract
The invention discloses a kind of method for preparing phosphorus alkene, including：Black phosphorus is dispersed in dispersion liquid, and ultrasonically treated 0.5~200 hour, then separation of solid and liquid is carried out, so as to obtain intercalation black phosphorus；Intercalation black phosphorus is dispersed in chemical blowing agent solution, and ultrasonically treated 0.5~200 hour, then separation of solid and liquid is carried out, then the solid after separation of solid and liquid is dried, so as to obtain the solid mixture of black phosphorus and CBA；Solid mixture to black phosphorus and CBA carries out microwave treatment, and microwave power is 100~1000W, after microwave treatment 1 second~1 hour, i.e. finished product phosphorus alkene.Phosphorus alkene moderate dimensions prepared by the present invention and uniform, and process is simple, with low cost, splitting time be short, phosphorus alkene yield is high, it is easy to accomplish large-scale production.
Description
Technical field
The present invention relates to phosphorus alkene preparing technical field, more particularly to a kind of method for preparing phosphorus alkene.
Background technology
Phosphorus alkene is a kind of two-dimensional structure material being made up of single or multiple lift phosphorus atoms, with excellent electrology characteristic, electricity
Transport factor is up to 1000cm2/ V.s, leakage current modulation rate is the 10 of Graphene4~105Times, be after Graphene, molybdenum bisuphide it
New Two Dimensional semi-conducting material afterwards.Compared with Graphene, the great advantage of phosphorus alkene is to possess energy gap, and phosphorus alkene energy gap is big
I is adjusted by changing the phosphorous layer number of stacking, and this causes that phosphorus alkene is easy to carry out optical detection, therefore phosphorus alkene in Flied emission
The aspects such as transistor, electrooptical device, secondary cell have huge potential using value.
At present, existing phosphorus alkene preparation method mainly has mechanical stripping method and liquid phase stripping method, is with black phosphorus as raw material.
The subject matter of mechanical stripping method is preparation time long, and yield is few, it is impossible to realize prepare with scale.And liquid phase stripping method is at least
Have the disadvantages that：(1) splitting time is long, many with the chance that air and water are contacted, unstable product quality；(2) need to carry out
It is prolonged ultrasonically treated, it is uneven which results in prepared phosphorus alkene size, and a portion phosphorus alkene size very
It is small, it is difficult to carry out commercial Application；(3) yield of phosphorus alkene is very low, generally below 1wt%, and prepare with scale is not yet broken through so far
Technical bottleneck.
The content of the invention
It is not only made the invention provides a kind of method for preparing phosphorus alkene for above-mentioned weak point of the prior art
Standby phosphorus alkene moderate dimensions and uniform, and process is simple, with low cost, splitting time be short, phosphorus alkene yield is high, it is easy to accomplish rule
Modelling is produced.
The purpose of the present invention is achieved through the following technical solutions：
A kind of method for preparing phosphorus alkene, comprises the following steps：
Step A, black phosphorus is dispersed in dispersion liquid, and ultrasonically treated 0.5~200 hour, then separation of solid and liquid is carried out, so that
Obtain intercalation black phosphorus；Wherein, described dispersion liquid is inorganic acid solution, inorganic alkali solution, salting liquid, organic solution or ionic liquid
At least one in body；
Step B, intercalation black phosphorus is dispersed in chemical blowing agent solution, and ultrasonically treated 0.5~200 hour, then carry out
Separation of solid and liquid, is then dried to the solid after separation of solid and liquid, so as to obtain the solid mixture of black phosphorus and CBA；
Wherein, the intercalation black phosphorus of 0.1~100mg is disperseed in every milliliter of chemical blowing agent solution；
Step C, carries out microwave treatment to the solid mixture of black phosphorus and CBA, and microwave power is 100~
1000W, after microwave treatment 1 second~1 hour, i.e. finished product phosphorus alkene.
Preferably, described chemical blowing agent solution is mixed by CBA with lysate；Wherein, the chemistry
Foaming agent is salicylic acid, ammonium hydrogen carbonate, ammonium carbonate, ammonium nitrate, azo compound, perchlorate compounds, azide compounds
Or at least one in hydrazide kind compound；
The lysate is water, methyl alcohol, ethanol, acetone, 1-METHYLPYRROLIDONE, N, N '-dimethyl formamide, dimethyl
Sulfoxide, ethylene carbonate, propene carbonate, acetonitrile, dichloromethane, dichloroethanes, dichloropropane, chloroform, trichloroethanes,
At least one in tetrahydrofuran, diphenyl ether, benzene,toluene,xylene, hexane or hexamethylene.
Preferably, in step, first to adding additive in dispersion liquid, then black phosphorus is dispersed in dispersion liquid；Wherein,
Described additive is ionic surfactant, in nonionic surface active agent or the compound with profit parents' property
At least one.
Preferably, described black phosphorus is at least one in normal black phosphorus, oxidized black phosphorus or the black phosphorus that is etched,
And phosphorus content is at least 70% (percetage by weight).
Preferably, the inorganic acid solution is at least one in dilute sulfuric acid, watery hydrochloric acid, dust technology or phosphoric acid,diluted, and its is dense
It is 0.001~5mol/L to spend, and pH value is 0.1~7.
Preferably, the inorganic alkali solution is at least one in lithium hydroxide, NaOH or potassium hydroxide, its concentration
It is 0.001~5mol/L, pH value is 7~12.
Preferably, the salting liquid is LiBF4、LiClO3、LiAsF6、LiClO4、LiPF6、LiCl、Li2CO3、Li2SO4、
NaCl、NaClO3、NaOH、Na2CO4、NaClO4、NaBF4、NaAsF6、NaPF6、KCl、KClO3、KOH、K2CO3、K2SO4、
KClO4、K2SO3、KNO3Or at least one in quaternary ammonium salt ionic compound.
Preferably, the organic solution be methyl alcohol, ethanol, acetone, 1-METHYLPYRROLIDONE, N, N '-dimethyl formamide,
Dimethyl sulfoxide (DMSO), ethylene carbonate, propene carbonate, acetonitrile, dichloromethane, dichloroethanes, dichloropropane, chloroform, three
At least one in chloroethanes, tetrahydrofuran, diphenyl ether, benzene,toluene,xylene, hexane or hexamethylene.
Preferably, the ionic liquid is in glyoxaline ion liquid, pyridine ionic liquid or pyrrole ionic liquid
At least one.
As seen from the above technical solution provided by the invention, the method for preparing phosphorus alkene that the embodiment of the present invention is provided
Black phosphorus is first prepared into intercalation black phosphorus, and intercalation black phosphorus is prepared into the solid mixture of black phosphorus and CBA, by this
The treatment of two steps increased the gap between black phosphorus intercalation, make black phosphorus intercalation that phosphorus alkene is more readily formed；Then by black phosphorus
Solid mixture with CBA carries out microwave treatment, be obtained individual layer to 30 layers finished product phosphorus alkene, lamellar spacing be 0.5~
15nm, size is between 50~4000nm.As can be seen here, prepared by the present invention phosphorus alkene moderate dimensions and uniform, and
Process is simple, with low cost, splitting time are short, phosphorus alkene yield is high, it is easy to accomplish large-scale production.
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to protection scope of the present invention.
The method for preparing phosphorus alkene provided by the present invention is described in detail below.
A kind of method for preparing phosphorus alkene, comprises the following steps：
Step A, prepares intercalation black phosphorus：Black phosphorus is dispersed in dispersion liquid, and ultrasonically treated 0.5~200 hour, then carry out
Separation of solid and liquid, so as to obtain intercalation black phosphorus.
Wherein, described black phosphorus can using in normal black phosphorus, oxidized black phosphorus or the black phosphorus that is etched at least
One kind, and phosphorus content is at least 70% (percentage), and in actual applications, the spacing of black phosphorus piece interlayer is preferably
0.4~2nm, this can facilitate the formation of intercalation black phosphorus, and be created favorable conditions to prepare phosphorus alkene.Described dispersion liquid can be
At least one in inorganic acid solution, inorganic alkali solution, salting liquid, organic solution or ionic liquid；Inorganic acid solution is inorganic
Aqueous acid, can be preferably 0.001 using at least one in dilute sulfuric acid, watery hydrochloric acid, dust technology or phosphoric acid,diluted, its concentration
~5mol/L, pH value is 0.1~7；Inorganic alkali solution is the aqueous solution of inorganic base, can use lithium hydroxide, NaOH or hydrogen
At least one in potassium oxide, its concentration is preferably 0.001~5mol/L, and pH value is 7~12；Salting liquid can use LiBF4、
LiClO3、LiAsF6、LiClO4、LiPF6、LiCl、Li2CO3、Li2SO4、NaCl、NaClO3、NaOH、Na2CO4、NaClO4、
NaBF4、NaAsF6、NaPF6、KCl、KClO3、KOH、K2CO3、K2SO4、KClO4、K2SO3、KNO3Or in quaternary ammonium salt ionic compound
At least one aqueous solution；Organic solution can use methyl alcohol, ethanol, acetone, 1-METHYLPYRROLIDONE, N, N '-dimethyl first
Acid amides, dimethyl sulfoxide (DMSO), ethylene carbonate, propene carbonate, acetonitrile, dichloromethane, dichloroethanes, dichloropropane, three chloromethanes
At least one in alkane, trichloroethanes, tetrahydrofuran, diphenyl ether, benzene,toluene,xylene, hexane or hexamethylene；Ionic liquid
Can be using at least one in glyoxaline ion liquid, pyridine ionic liquid or pyrrole ionic liquid.
Specifically, additive can be first added in dispersion liquid, then black phosphorus is dispersed in dispersion liquid, these additives can be with
Together intercalation in black phosphorus, so as to increase the gap of intercalation black phosphorus, is allowed to that phosphorus alkene is more readily formed with dispersion liquid；Additive can
To use ionic surfactant of the prior art, nonionic surface active agent or the chemical combination with profit parents' property
At least one in thing；Whether addition additive is needed in dispersion liquid can be determined according to the actual requirements.It is ultrasonically treated can
Carried out in the Vltrasonic device that prior art is put into the dispersion liquid that will add black phosphorus, and Vltrasonic device supersonic frequency most
It is well 15Hz, power density is preferably 100w, and the ultrasonically treated time can be 0.01~200 hour, but preferably 0.5~
100 hours, this can make dispersion liquid and black phosphorus vibrating dispersion in ultrasound, efficiently contribute to be formed during dispersion liquid is inserted into black phosphorus
Intercalation black phosphorus.Separation of solid and liquid can use filtration method of the prior art or centrifugal separation, in actual applications, preferably with
Deionized water is washed for several times to the solid that separation of solid and liquid is obtained, and is then dried to perseverance using existing dry technology
Weight, so as to obtain dry solid intercalation black phosphorus.
Step B, prepares the solid mixture of black phosphorus and CBA：Intercalation black phosphorus is dispersed in chemical blowing agent solution
In, and ultrasonically treated 0.5~200 hour, then separation of solid and liquid is carried out, then the solid after separation of solid and liquid is dried, so that
Obtain the solid mixture of black phosphorus and CBA.
Wherein, the intercalation black phosphorus of 0.1~100mg is preferably disperseed in every milliliter of chemical blowing agent solution.The chemical blowing
Agent solution can be mixed by CBA with lysate；CBA can use salicylic acid, ammonium hydrogen carbonate, carbonic acid
Ammonium, ammonium nitrate, azo compound are (for example：Azodicarbonamide, azodiisobutyronitrile, diisopropyl azodiformate, azo
Dicarboxylate, P-aminoazobenzene, Barium azodicarboxylate etc.), perchlorate compounds (for example：Ammonium perchlorate, perchloric acid
Potassium, sodium perchlorate etc.), azide compounds (for example：Phenylazide, nitrine benzophenone etc.) or hydrazide kind compound is (for example：4,
4 '-disulfonyl hydrazide diphenyl ether, to benzene sulfonyl hydrazide, 3,3 '-disulfonyl hydrazide diphenyl sulphone (DPS), 4,4 '-two benzene disulfohydrazides, the sulphur of 1,3- benzene two
Hydrazides, Isosorbide-5-Nitrae-benzene disulfohydrazide etc.) at least one；Lysate can use water, methyl alcohol, ethanol, acetone, N- methylpyrroles
Alkanone, N, N '-dimethyl formamide, dimethyl sulfoxide (DMSO), ethylene carbonate, propene carbonate, acetonitrile, dichloromethane, two chloroethenes
In alkane, dichloropropane, chloroform, trichloroethanes, tetrahydrofuran, diphenyl ether, benzene,toluene,xylene, hexane or hexamethylene
It is at least one.
Specifically, the ultrasonically treated chemical blowing agent solution that can will add black phosphorus puts into the ultrasound dress of prior art
Carried out in putting, and the supersonic frequency of Vltrasonic device is preferably 15Hz, and power density is preferably 100w, and the ultrasonically treated time is most
It it is well 0.5~100 hour, this can make CBA and black phosphorus vibrating dispersion in ultrasound, efficiently contribute to chemical blowing
Agent forms intercalation black phosphorus in being inserted into black phosphorus.Separation of solid and liquid can use filtration method of the prior art or centrifugal separation.It is dry
It is dry to use pneumatic conveying drying of the prior art, spray drying, fluidized bed drying, rotary flashing drying, infra-red drying, microwave
Dry or freeze-drying in one or more.For example for：In this step, 100mg intercalations black phosphorus can be disperseed
In 5~500ml chemical blowing agent solutions, and carry out ultrasonic vibration and obtain suspension, then suspension is placed in existing centrifuge
In with the rotating speed 0.01~10h of centrifugal treating of 100~50000rpm, after discarding supernatant liquor, the solid to isolating is washed
Wash the solid mixture that drying can be obtained by black phosphorus and CBA.
Step C, microwave treatment prepares phosphorus alkene：Solid mixture to black phosphorus and CBA carries out microwave treatment, micro-
Wave power is 100~1000W, after microwave treatment 1 second~1 hour, i.e. finished product phosphorus alkene.
Specifically, preferably under vacuum or inert gas environment, black phosphorus is carried out with the solid mixture of CBA
Microwave treatment, this can lift the yield and purity of finished product phosphorus alkene.Obtained finished product phosphorus alkene in step C is placed in electron microscope
And tested under FT-Raman and confocal Raman instrument, its result shows：The phosphorus alkene is the phosphorus alkene of individual layer to 30 layers, lamellar spacing
Be 0.5~15nm, size between 50~4000nm, i.e., phosphorus alkene moderate dimensions prepared by the embodiment of the present invention and
Even, lamella is thin.
As fully visible, the method for preparing phosphorus alkene that the embodiment of the present invention is provided at least possesses advantages below：
(1) embodiment of the present invention prepares phosphorus alkene using microwave treatment, not only safety, simple, low cost, and environmental protection,
Efficiency is fast, yield is high, it is easy to accomplish the large-scale production of phosphorus alkene.
(2) raw material and equipment for being used by the embodiments of the present invention can be seen that the embodiment of the present invention to equipment and
The requirement of material is relatively low, therefore, it is possible to control processing cost well.
(3) phosphorus alkene moderate dimensions prepared by the embodiment of the present invention and uniform, lamella is thin, and by set-up procedure A and
In step B in ultrasonically treated process time, and step C microwave treatment process time, it is possible to achieve to prepared phosphorus alkene
The number of plies and size control effectively, this can meet form demand of the different application field for phosphorus alkene, therefore the present invention
Prepared phosphorus alkene can be widely applied to the multiple fields such as transistor, sensor, solar cell, battery electrode.
In order to more clearly from show technical scheme provided by the present invention and produced technique effect, below with several
The method that what specific embodiment was provided the embodiment of the present invention prepare phosphorus alkene is described in detail.
Embodiment 1
Add 20mL phosphoric acid,diluteds in 100ml beakers, and add 0.01g black phosphorus thereto, the flask is then placed in ultrasonic dress
Carry out ultrasonically treated in putting, supersonic frequency is 15Hz, and power density is 100w, and process time is 72h, obtain the dispersion of intercalation black phosphorus
Liquid；After the completion of ultrasonically treated, intercalation black phosphorus dispersion liquid is filtered, and the solid being filtrated to get is washed with deionized water
For several times, then dried to constant weight in 50 DEG C of vacuum, so as to obtain solid intercalation black phosphorus.
Take the above-mentioned solid intercalation black phosphorus of 100mg to be added in the ammonium perchlorate that 20mL concentration is 0.05g/mL, and put again
Ultrasonically treated, ultrasonic vibration dispersion 72h, supersonic frequency 15Hz, power density 100w are carried out in Vltrasonic device, then will be obtained
Suspension centrifugation 10min at 3,000 rpm, after discarding supernatant liquor, the solid to isolating is carried out after washing dries
Obtain black phosphorus and ammonium perchlorate solid mixture.
Microwave heating treatment is carried out to above-mentioned black phosphorus and ammonium perchlorate solid mixture, microwave power is 800W, at microwave
The reason time is 5min, and so as to obtain less than 20 layers of phosphorus alkene, lamellar spacing is 0.5~10nm, size 50~500nm it
Between, the yield of phosphorus alkene is 71%.
Embodiment 2
Add the DMF of 20mL in 100ml beakers, and add 0.05g black phosphorus thereto, then burn this
Bottle is placed in Vltrasonic device and carries out ultrasonically treated, and supersonic frequency is 15Hz, and power density is 100w, and process time is 72h, is obtained
Intercalation black phosphorus dispersion liquid；After the completion of ultrasonically treated, intercalation black phosphorus dispersion liquid is filtered, and with absolute ethyl alcohol to filtering
The solid washing arrived for several times, is then dried to constant weight in 50 DEG C of vacuum, obtains solid intercalation black phosphorus.
Take the above-mentioned solid intercalation black phosphorus of 100mg and be added to the P-aminoazobenzene ethanol solution that 20mL concentration is 0.05g/mL
In, and be again placed in carrying out ultrasonically treated, ultrasonic vibration dispersion 48h, supersonic frequency 15Hz, power density in Vltrasonic device
100w, the suspension that then will be obtained centrifugation 10min at 3,000 rpm, after discarding supernatant liquor, to the solid isolated
Carry out obtaining black phosphorus and P-aminoazobenzene solid mixture after washing is dried.
Microwave heating treatment is carried out to above-mentioned black phosphorus and P-aminoazobenzene solid mixture, microwave power is 800W, micro-
Ripple process time is 3min, and so as to obtain less than 30 layers of phosphorus alkene, lamellar spacing is 1.5~13nm, size 100~
Between 1000nm, the yield of phosphorus alkene is 77%.
Embodiment 3
Add the NaPF of 0.5mol/L in 100ml beakers6In the aqueous solution, and add 0.1g black phosphorus thereto, then burn this
Bottle is placed in Vltrasonic device and carries out ultrasonically treated, and supersonic frequency is 15Hz, and power density is 100w, and process time is 24h, is obtained
Intercalation black phosphorus dispersion liquid；After the completion of ultrasonically treated, intercalation black phosphorus dispersion liquid is filtered, and with deionized water to filtering
The solid washing arrived for several times, is then dried to constant weight, so as to obtain solid intercalation black phosphorus in 50 DEG C of vacuum.
It is 0.05g/mL to benzene sulfonyl hydrazide ethanol solution to take 100mg above-mentioned solid intercalation black phosphorus and be added to 20mL concentration
In, and be again placed in carrying out ultrasonically treated, ultrasonic vibration dispersion 48h, supersonic frequency 15Hz, power density in Vltrasonic device
100w, the suspension that then will be obtained centrifugation 10min at 3,000 rpm, after discarding supernatant liquor, to the solid isolated
Carry out obtaining black phosphorus and to benzene sulfonyl hydrazide solid mixture after washing is dried.
Microwave heating treatment is carried out to above-mentioned black phosphorus and to benzene sulfonyl hydrazide solid mixture, microwave power is 800W, microwave
Process time is 10min, obtains less than 30 layers of phosphorus alkene, and lamellar spacing is 2~15nm, size 500~3000nm it
Between, the yield of phosphorus alkene is 78%.
As fully visible, not only prepared phosphorus alkene moderate dimensions of the embodiment of the present invention and uniform, and process is simple, cost
Cheap, splitting time is short, phosphorus alkene yield is high, it is easy to accomplish large-scale production.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (9)
1. a kind of method for preparing phosphorus alkene, it is characterised in that comprise the following steps：
Step A, black phosphorus is dispersed in dispersion liquid, and ultrasonically treated 0.5~200 hour, then separation of solid and liquid is carried out, so as to obtain
Intercalation black phosphorus；Wherein, described dispersion liquid is in inorganic acid solution, inorganic alkali solution, salting liquid, organic solution or ionic liquid
At least one；
Step B, intercalation black phosphorus is dispersed in chemical blowing agent solution, and ultrasonically treated 0.5~200 hour, then carry out solid-liquid
Separate, then the solid after separation of solid and liquid is dried, so as to obtain the solid mixture of black phosphorus and CBA；Its
In, the intercalation black phosphorus of 0.1~100mg is disperseed in every milliliter of chemical blowing agent solution；
Step C, the solid mixture to black phosphorus and CBA carries out microwave treatment, and microwave power is 100~1000W,
After microwave treatment 1 second~1 hour, i.e. finished product phosphorus alkene.
2. the method for preparing phosphorus alkene according to claim 1, it is characterised in that described chemical blowing agent solution is by chemistry
Foaming agent is mixed with lysate；
Wherein, the CBA is salicylic acid, ammonium hydrogen carbonate, ammonium carbonate, ammonium nitrate, azo compound, perchlorate
At least one in compound, azide compounds or hydrazide kind compound；
The lysate is water, methyl alcohol, ethanol, acetone, 1-METHYLPYRROLIDONE, N, and N '-dimethyl formamide, dimethyl are sub-
Sulfone, ethylene carbonate, propene carbonate, acetonitrile, dichloromethane, dichloroethanes, dichloropropane, chloroform, trichloroethanes, four
At least one in hydrogen furans, diphenyl ether, benzene,toluene,xylene, hexane or hexamethylene.
3. the method for preparing phosphorus alkene according to claim 1 and 2, it is characterised in that in step, first in dispersion liquid
Additive is added, then black phosphorus is dispersed in dispersion liquid；Wherein, described additive is ionic surfactant, nonionic
At least one in type surfactant or the compound with profit parents' property.
4. the method for preparing phosphorus alkene according to claim 1 and 2, it is characterised in that described black phosphorus be normal black phosphorus,
At least one in oxidized black phosphorus or the black phosphorus being etched, and phosphorus content is at least 70wt%.
5. the method for preparing phosphorus alkene according to claim 1 and 2, it is characterised in that the inorganic acid solution be dilute sulfuric acid,
At least one in watery hydrochloric acid, dust technology or phosphoric acid,diluted, its concentration is 0.001~5mol/L, and pH value is 0.1~7.
6. the method for preparing phosphorus alkene according to claim 1 and 2, it is characterised in that the inorganic alkali solution is hydroxide
At least one in lithium, NaOH or potassium hydroxide, its concentration is 0.001~5mol/L, and pH value is 7~12.
7. the method for preparing phosphorus alkene according to claim 1 and 2, it is characterised in that the salting liquid is LiBF4、
LiClO3、LiAsF6、LiClO4、LiPF6、LiCl、Li2CO3、Li2SO4、NaCl、NaClO3、NaOH、Na2CO4、NaClO4、
NaBF4、NaAsF6、NaPF6、KCl、KClO3、KOH、K2CO3、K2SO4、KClO4、K2SO3、KNO3Or in quaternary ammonium salt ionic compound
At least one.
8. the method for preparing phosphorus alkene according to claim 1 and 2, it is characterised in that the organic solution is methyl alcohol, second
Alcohol, acetone, 1-METHYLPYRROLIDONE, N, N '-dimethyl formamide, dimethyl sulfoxide (DMSO), ethylene carbonate, propene carbonate, second
Nitrile, dichloromethane, dichloroethanes, dichloropropane, chloroform, trichloroethanes, tetrahydrofuran, diphenyl ether, benzene, toluene, diformazan
At least one in benzene, hexane or hexamethylene.
9. the method for preparing phosphorus alkene according to claim 1 and 2, it is characterised in that the ionic liquid be imidazoles from
At least one in sub- liquid, pyridine ionic liquid or pyrrole ionic liquid.
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| CN107569683A (en) * | 2017-09-18 | 2018-01-12 | 深圳市人民医院 | Modified two-dimentional phosphorus of one kind and its preparation method and application |
| CN108586520B (en) * | 2018-06-05 | 2020-07-03 | 中国科学院深圳先进技术研究院 | Method for synthesizing organic phosphine compound by using black phosphorus |
| CN109052347A (en) * | 2018-08-22 | 2018-12-21 | 昆明理工大学 | A kind of method that electric field cooperates with up-stripping black phosphorus preparation nanometer black phosphorus with microwave field |
| CN109232303B (en) * | 2018-11-06 | 2020-05-19 | 南京大学 | Method for promoting cis-trans isomerization of azobenzene derivative by using black phosphorus nanosheets |
| CN109248317B (en) * | 2018-11-06 | 2021-06-29 | 南京大学 | Method for modifying black phosphorus by using azobenzene derivative and obtained compound |
| CN109433232A (en) * | 2018-11-21 | 2019-03-08 | 江苏大学 | The nonmetallic cocatalyst materials of ultra-thin black phosphorus alkene and preparation method and its composite material |
| CN111554917B (en) * | 2020-05-19 | 2021-11-16 | 上海健康医学院 | Application of nano black phosphorus alkene in magnesium ion battery negative electrode material |
| CN112023956A (en) * | 2020-08-25 | 2020-12-04 | 陕西科技大学 | Black phosphorus alkene powder with high photocatalytic hydrogen production stability and preparation method thereof |
| CN112340714B (en) * | 2020-11-13 | 2023-09-05 | 陕西科技大学 | Flower-like and chain-like black phosphorus material and preparation method thereof |
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2015
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