CN106241877A - A kind of g C3n4/ MoS2the preparation method of/ZnS nano composite material - Google Patents
A kind of g C3n4/ MoS2the preparation method of/ZnS nano composite material Download PDFInfo
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Abstract
The invention belongs to field of nanocomposite materials, disclose a kind of g C3N4/MoS2/ ZnS nano composite material and preparation method thereof.Mainly with the g C of lamellar structure3N4Being molybdenum source for matrix, ammonium molybdate or sodium molybdate, zinc sulphate heptahydrate is zinc source, oxammonium hydrochloride. be reducing agent, thiourea or thioacetamide be sulfur source, prepare g C by hydro-thermal method3N4/MoS2/ ZnS nano composite material.The present invention prepares g C3N4/MoS2The method of/ZnS nano composite material is simple to operation, with low cost, and reaction condition is gentle, favorable reproducibility, uniform particle sizes, and has important application in the fields such as tribology, catalysis, lithium electricity, is expected to be used for large-scale commercial production.
Description
Technical field
The invention belongs to field of nanocomposite materials, specifically disclose a kind of g-C3N4/MoS2/ ZnS nano composite material
Preparation method.
Background technology
In recent years, transition metal chalcogenide MX2(M=Mo, W, Nb etc.；X=S, Se, Te), due to the physics of its uniqueness
Chemical property and novel structure, get more and more people's extensive concerning and further investigate, and these materials are widely used as lithium-ion electric
Pond electrode, lube oil additive, new catalyst and thermoelectric material etc., wherein, MoS2As in transition metal chalcogenide
Important a member, due to the hexagonal layered structure that it is special, and make it have much peculiar character, at MoS2Crystal
In structure, by strong chemical bonds in S-Mo-S layer, and combined by weak Van der Waals force between layers, layer and layer
It is easy to peel off, there is good anisotropy and relatively low coefficient of friction.There is the MoS of nanostructured2In many performances
Have been further upgraded, show the following aspects highlightedly: specific surface area is very big, and absorbability is higher, reactivity
Height, the performance of catalytic performance especially catalytic hydrogenation desulfurization is higher, can be used to prepare special catalysis material and gas storing material；Nanometer
MoS2The band difference of thin layer, close to 1.78eV, matches with the energy of light, has application prospect on light cell material；Along with MoS2
Particle diameter diminish, it all significantly improves with level of coverage in the tack of friction material surface, and wear-resistant, antifriction performance is also become
Improve again.
Similarly, ZnS, as a member of transition metal chalcogenide, is II-VI race wide bandgap semiconductor compound-material,
Its Emission in Cubic energy gap is 3.7eV, and hexagonal phase energy gap is 3.8eV.As a kind of semi-conducting material, ZnS shows at flat board
Show device, electroluminescent, device for non-linear optical, cathode-ray luminescence, light emitting diode, field-effect transistor, solaode,
Dielectric filter, infrared window material, dyestuff, photocatalysis, sensor and laser, the aspect such as solid lubrication suffers from being widely applied.
When the particle diameter of ZnS particle is less than the Bohr radius of its exciton, it can present obvious quantum size effect, and its light
Electricity, frictional behaviour change as well as size and the change of pattern.Therefore, preparation and the performance study of ZnS causes domestic
The broad interest of outer scholar.Up to now, lot of domestic and foreign computer MSR Information system has passed through different synthetic method and has successfully synthesized ZnS
The low-dimension nano materials such as nanometer rods, nano wire, nanometer sheet, nano belt, nanotube, nano-particle.
g-C3N4Being a kind of polymer semiconductor being similar to graphene-structured, C, atom N are with sp2Hydridization formed height from
The pi-conjugated system in territory.g-C3N4Not only there is the wide material sources of polymeric material, the relatively low advantage of price, and the light of its excellence is urged
Change performance also to be able to compare favourably with traditional inorganic semiconductor catalysis material.g-C3N4Band structure and the change of excellence because of its uniqueness
Learn stability, and visible ray is had certain absorption, there is preferable photocatalysis performance, be therefore widely used as photocatalyst, as
Photocatalysis degradation organic contaminant, photocatalysis liberation of hydrogen and photocatalysis organic synthesis etc..Adjust additionally, research worker have employed pattern
The strategies such as control, element doping, semiconductors coupling, are effectively increased its photocatalytic activity.Recent studies have shown that, g-C3N4Can increase
Original performance of strong composite, therefore g-C3N4Based nano composite material lithium electricity, fuel sensitized cells, ultracapacitor and
The fields such as lubrication have potential application prospect.g-C3N4Although can not be compared with Graphene in intensity, but it can be in gentleness
Under conditions of carried out the most synthetically prepared by the predecessor (tripolycyanamide etc.) of a series of carbon containing richness nitrogen, its height stability,
Unique electronic structure and class graphene film Rotating fields make its lubrication, catalyst carrier, sensor, organic reaction catalyst,
The aspects such as photocatalyst, gas storage have a hugest potential using value, and are seen as most being hopeful to supplement carbon material
Expect at the material of the potential application of a lot of aspects, thus cause Chinese scholars and research worker, to this, there are unlimited potentiality
The tireless exploration of new material.
Based on g-C3N4、MoS2, the good characteristic of ZnS, g-C3N4/MoS2/ ZnS nano composite material can show relative its
The performance that homogenous material is more comprehensive, excellent.For nano composite material, research concentrates on graphene-based nanometer the most mostly
Composite, material as multiple in Graphene/molybdenum disulfide nano, and at g-C3N4The research in based nano composite material field is less, and
Focus mostly at g-C3N4Base binary composite.Therefore, the invention discloses a kind of g-C3N4/MoS2/ ZnS ternary nano composite wood
The preparation method of material, and in fields such as tribology, catalysis, lithium electricity, there is good development prospect.
Summary of the invention
It is an object of the invention to provide a kind of g-C3N4/MoS2The preparation method of/ZnS ternary nano composite material, to carry
Performances such as high molybdenum bisuphide and the electricity of zinc sulfide, calorifics, catalysis and tribology and extend its application.
The g-C that the present invention provides3N4/MoS2The preparation method of/ZnS nano composite material, concrete operation step is as follows:
(1)g-C3N4The preparation of dispersion liquid:
First g-C is prepared3N4Powder, then by g-C3N4Powder adds in deionized water, supersound process, prepares g-C3N4
Dispersion liquid；
(2)g-C3N4/MoS2The preparation of/ZnS nano composite material:
First, successively molybdate, zinc sulphate heptahydrate, oxammonium hydrochloride. are added to step (1) gained g-C3N4In dispersion liquid, magnetic
Power stirring 5～10min, obtains mixed liquor A；
Then, weigh sulfur source and be dissolved in deionized water, prepare sulfur source solution, be dropwise added drop-wise in mixed liquor A with dropper, and
It is stirred continuously 5～10min, obtains mixed liquid B；
Finally, mixed liquid B is moved in the hydrothermal reaction kettle that politef is liner and react, after reaction terminates, natural
It is cooled to room temperature, centrifugal collection product, washs product with deionized water and dehydrated alcohol, is dried, obtains g-C3N4/
MoS2/ ZnS nano composite material.
In step (1), described g-C3N4The preparation method of powder is: with carbamide as raw material, 10g carbamide is placed in 25mL's
In corundum crucible with cover, it is transferred in chamber type electric resistance furnace, with 10～20 DEG C/min temperature programming to 550～600 DEG C, is incubated 2h,
Naturally cool to room temperature, obtain faint yellow g-C3N4Powder.
In step (1), described sonication treatment time is 30～60min, described g-C3N4The concentration of dispersion liquid be 0.5～
2mg/mL。
In step (2), described molybdate is sodium molybdate or ammonium molybdate；When using ammonium molybdate, ammonium molybdate: seven water sulphuric acid
Zinc: the mol ratio of oxammonium hydrochloride. is 1:7:15.4；When use sodium molybdate time, sodium molybdate: zinc sulphate heptahydrate: oxammonium hydrochloride. mole
Compare 1:1:2.2.
In step (2), described sulfur source is thiourea or thioacetamide；Wherein, zinc sulphate heptahydrate: the mol ratio 1 in sulfur source:
2.8～3.
In step (2), the concentration of described sulfur source solution is 0.392～0.42mmol/mL, and drop rate is 1 drop/sec.
In step (2), described reaction kettle for reaction condition is 180～200 DEG C of reaction 24h.
In step (2), described drying condition is 60 DEG C of dry 12h.
The invention have the benefit that
It is gentle that the synthetic method of the present invention has reaction condition, and technique is simple, productivity height and the advantage of favorable reproducibility, made
Standby g-C3N4/MoS2/ ZnS nano-complex can be applicable to the fields such as lube oil additive, photoelectric material, hydrogen storage, photocatalysis.
Accompanying drawing explanation
Fig. 1 is the g-C of synthesis in example 23N4With g-C3N4/MoS2The XRD figure of/ZnS nano composite material.
Fig. 2 is the g-C of example 3 synthesis3N4SEM figure.
Fig. 3 is the g-C of example 4 synthesis3N4/MoS2/ ZnS nano composite material SEM is schemed.
Fig. 4 is the g-C of example 5 synthesis3N4/MoS2/ ZnS nano composite material EDS is schemed.
Fig. 5 is the g-C of example 6 synthesis3N4/MoS2/ ZnS nano composite material TEM is schemed.
Fig. 6 is the g-C of synthesis in example 23N4/MoS2The friction coefficient curve figure of/ZnS nano composite material.
Detailed description of the invention
Further illustrating present disclosure below in conjunction with example, as known by the technical knowledge, the present invention also can pass through other
The scheme without departing from the technology of the present invention feature describe, the most all within the scope of the present invention or equivalent the scope of the invention in
Change and be all included in the invention.
Embodiment 1:
(1)g-C3N4Preparation:
With carbamide as raw material, 10g carbamide is placed in the corundum crucible with cover of 25mL, is transferred in chamber type electric resistance furnace, rise
Temperature is to 550 DEG C, and programming rate is 10 DEG C/min, is incubated 2h, naturally cools to room temperature, obtain faint yellow g-C3N4Powder.
(2)g-C3N4/MoS2The preparation of/ZnS nano composite material:
Weigh the g-C prepared in step (1)3N4Powder 0.02g adds in 40mL deionized water, supersound process 30min,
Prepared concentration is the dispersion liquid of 0.5mg/mL；Then according to ammonium molybdate: zinc sulphate heptahydrate: oxammonium hydrochloride .=1:7:15.4 mole
Ratio weighs ammonium molybdate 0.2472g successively, zinc sulphate heptahydrate 0.4026g, oxammonium hydrochloride. 0.2140g add g-C to3N4In dispersion liquid,
Magnetic agitation 5min；Then, weigh thiourea 0.2984g according to the mol ratio of Zn:S=1:2.8, be dissolved in 10mL deionized water,
Prepare the thiourea solution of 0.392mmol/mL, be dropwise added drop-wise in above-mentioned dispersion liquid with the speed of 1 drop/sec with dropper and constantly stir
Mix 5min, finally mixed liquor is moved in the hydrothermal reaction kettle that politef is liner, hydro-thermal 24h under conditions of 180 DEG C,
After naturally cooling to room temperature, centrifugal collection product, washs product with deionized water and dehydrated alcohol, finally at 60 DEG C
Dry 12h obtains g-C3N4/MoS2/ ZnS nano composite material.
Embodiment 2:
(1)g-C3N4Preparation:
With carbamide as raw material, 10g carbamide is placed in the corundum crucible with cover of 25mL, is transferred in chamber type electric resistance furnace, rise
Temperature is to 600 DEG C, and programming rate is 20 DEG C/min, is incubated 2h, naturally cools to room temperature, obtain faint yellow g-C3N4Powder.
(2)g-C3N4/MoS2The preparation of/ZnS nano composite material:
Weigh the g-C prepared in step (1)3N4Powder 0.04g adds in 40mL deionized water, supersound process 60min,
Prepared concentration is the dispersion liquid of 1mg/mL, then according to ammonium molybdate: zinc sulphate heptahydrate: the mol ratio of oxammonium hydrochloride .=1:7:15.4
Weigh ammonium molybdate 0.2472g successively, zinc sulphate heptahydrate 0.4026g, oxammonium hydrochloride. 0.2140g add g-C to3N4In dispersion liquid, magnetic
Power stirring 10min；Then, weigh thiourea 0.3120g according to the mol ratio of Zn:S=1:3 and be dissolved in 10mL deionized water, prepare
0.420mmol/ml thiourea solution, is dropwise added drop-wise in above-mentioned dispersion liquid with dropper with the speed of 1 drop/sec and is stirred continuously
10min, finally moves into mixed liquor in the hydrothermal reaction kettle that politef is liner, hydro-thermal 24h under conditions of 200 DEG C,
After naturally cooling to room temperature, centrifugal collection product, washs product with deionized water and dehydrated alcohol, finally at 60 DEG C
Dry 12h obtains g-C3N4/MoS2/ ZnS nano composite material.
Fig. 1 XRD figure spectrum it can be seen that synthesis g-C3N4There is higher purity, simultaneously synthesizing nano composite material
There is g-C simultaneously3N4, MoS2, tri-kinds of materials of ZnS exist, and g-C is described3N4/MoS2Prepared by the success of/ZnS.
Embodiment 3:
(1)g-C3N4Preparation:
With carbamide as raw material, 10g carbamide is placed in the corundum crucible with cover of 25mL, is transferred in chamber type electric resistance furnace, rise
Temperature is to 570 DEG C, and programming rate is 15 DEG C/min, is incubated 2h, naturally cools to room temperature, obtain faint yellow g-C3N4Powder.
(2)g-C3N4/MoS2The preparation of/ZnS nano composite material:
Weigh the g-C3N4 powder 0.08g prepared in step (1) and add in 40mL deionized water, supersound process 40min,
Prepared concentration is the dispersion liquid of 2mg/mL, then according to sodium molybdate: zinc sulphate heptahydrate: the mol ratio of oxammonium hydrochloride .=1:1:2.2
Weigh sodium molybdate 0.3387g successively, zinc sulphate heptahydrate 0.4026g, oxammonium hydrochloride. 0.2140g add g-C to3N4In dispersion liquid, magnetic
Power stirring 5min；Then, weigh thiourea 0.2984g according to the mol ratio of Zn:S=1:2.8, be dissolved in 10mL deionized water, system
Obtain the thiourea solution of 0.392mmol/mL, be dropwise added drop-wise in above-mentioned dispersion liquid with dropper with the speed of 1 drop/sec and be stirred continuously
5min, finally moves into mixed liquor in the hydrothermal reaction kettle that politef is liner, hydro-thermal 24h under conditions of 200 DEG C, from
After being so cooled to room temperature, centrifugal collection product, washs product with deionized water and dehydrated alcohol, finally dry at 60 DEG C
Dry 12h obtains g-C3N4/MoS2/ ZnS nano composite material.
The SEM figure of Fig. 2 can be seen that the g-C of preparation3N4There is the lamellar structure of class Graphene.
Embodiment 4:
Weigh the g-C3N4 powder 0.06g prepared in embodiment 2 and add in 40mL deionized water, supersound process 50min,
Prepared concentration is the dispersion liquid of 1.5mg/mL, then according to sodium molybdate: zinc sulphate heptahydrate: oxammonium hydrochloride .=1:1:2.2 mole
Ratio weighs sodium molybdate 0.3387g successively, zinc sulphate heptahydrate 0.4026g, oxammonium hydrochloride. 0.2140g add g-C to3N4In dispersion liquid,
Magnetic agitation 8min；Then, weigh thioacetamide 0.3155g according to the mol ratio of Zn:S=1:3, be dissolved in 10mL deionized water
In, prepare the thioacetyl amine aqueous solution of 0.420mmol/ml, be dropwise added drop-wise to above-mentioned dispersion liquid with dropper with the speed of 1 drop/sec
In and be stirred continuously 8min, finally mixed liquor is moved in the hydrothermal reaction kettle that politef is liner, in the condition of 200 DEG C
Lower hydro-thermal 24h, after naturally cooling to room temperature, centrifugal collection product, washs product with deionized water and dehydrated alcohol,
After at 60 DEG C be dried 12h obtain g-C3N4/MoS2/ ZnS nano composite material.
The SEM figure of Fig. 3 can be seen that the g-C of preparation3N4/MoS2/ ZnS has more perfect ternary heterojunction structure.
Embodiment 5:
Weigh the g-C prepared in step (1)3N4Powder 0.04g adds in 40mL deionized water, supersound process 60min,
Prepared concentration is the dispersion liquid of 1mg/mL, then according to ammonium molybdate: zinc sulphate heptahydrate: the mol ratio of oxammonium hydrochloride .=1:7:15.4
Weigh ammonium molybdate 0.2472g successively, zinc sulphate heptahydrate 0.4026g, oxammonium hydrochloride. 0.2140g add g-C to3N4In dispersion liquid, magnetic
Power stirring 10min；Then, weigh thioacetamide 0.2945g according to the mol ratio of Zn:S=1:2.8, be dissolved in 10mL deionization
In water, prepare the thioacetyl amine aqueous solution of 0.392mmol/mL, be dropwise added drop-wise to above-mentioned dispersion with dropper with the speed of 1 drop/sec
In liquid and be stirred continuously 10min, finally mixed liquor is moved in the hydrothermal reaction kettle that politef is liner, in 180 DEG C
Under the conditions of hydro-thermal 24h, naturally cool to centrifugal after room temperature collect product, with deionized water and dehydrated alcohol, product washed
Wash, at 60 DEG C, be finally dried 12h obtain g-C3N4/MoS2/ ZnS nano composite material.
The EDS collection of illustrative plates of Fig. 4 can be seen that the g-C of preparation3N4/MoS2/ ZnS has C, N, Mo, Zn, S element, does not has other
Any impurity element.
Embodiment 6:
Weigh the g-C3N4 powder 0.06g prepared in embodiment 3 and add in 40mL deionized water, supersound process 50min,
Prepared concentration is the dispersion liquid of 1.5mg/mL, then according to sodium molybdate: zinc sulphate heptahydrate: oxammonium hydrochloride .=1:1:2.2 mole
Ratio weighs sodium molybdate 0.3387g successively, zinc sulphate heptahydrate 0.4026g, oxammonium hydrochloride. 0.2140g add g-C to3N4In dispersion liquid,
Magnetic agitation 8min；Then, weigh thioacetamide 0.2945g according to the mol ratio of Zn:S=1:2.8, be dissolved in 10mL deionization
In water, prepare the thioacetyl amine aqueous solution of 0.392mmol/mL, be dropwise added drop-wise to above-mentioned dispersion with dropper with the speed of 1 drop/sec
In liquid and be stirred continuously 8min, finally mixed liquor is moved in the hydrothermal reaction kettle that politef is liner, in the bar of 200 DEG C
Hydro-thermal 24h under part, after naturally cooling to room temperature, centrifugal collection product, washs product with deionized water and dehydrated alcohol,
The last 12h that is dried at 60 DEG C obtains g-C3N4/MoS2/ ZnS nano composite material.
The TEM figure of Fig. 5 can the most clearly find out the g-C of preparation3N4/MoS2/ ZnS nano composite material has more
Preferably ternary heterojunction pattern, g-C3N4Nanometer sheet surface appendix has MoS2With ZnS nanoparticle.
Embodiment 7:
By g-C prepared in example 23N4/MoS2/ ZnS nanometer self-lubricating composite adds in lubricating base oils
Row frictional experiment, and with base oil, g-C3N4, molybdenum bisuphide, zinc sulfide compares.Frictional experiment is multi-functional at CETR UMT-2
Carry out on friction and wear tester.Use ball-disc type contact, a diameter of 4mm of stainless steel ball.Experiment load is 30N, speed of experiment
For 100r/min (radius of gyration r=3mm).By prepared g-C3N4/MoS2/ZnS、g-C3N4、MoS2With ZnS according to 1%
Mass percent adds in base oil HVI750, be not added with the base oil HVI750 of lubricant in ultrasonic washing instrument ultrasonic
Dispersion 2h.Frictional experiment test result as shown in Figure 6, as seen from the figure, g-C3N4、MoS2Prepared by ZnS and the present invention
g-C3N4/MoS2/ ZnS nano composite material is respectively provided with obvious antifriction effect when as lube oil additive, but institute of the present invention
The g-C of preparation3N4/MoS2/ ZnS nano composite material is than simple g-C3N4、MoS2With ZnS, there is more preferable tribological property.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (8)
1. a g-C3N4/MoS2The preparation method of/ZnS nano composite material, it is characterised in that comprise the steps:
(1)g-C3N4The preparation of dispersion liquid:
First g-C is prepared3N4Powder, then by g-C3N4Powder adds in deionized water, supersound process, prepares g-C3N4Dispersion
Liquid；
(2)g-C3N4/MoS2The preparation of/ZnS nano composite material:
First, successively molybdate, zinc sulphate heptahydrate, oxammonium hydrochloride. are added to step (1) gained g-C3N4In dispersion liquid, magnetic force stirs
Mix 5～10min, obtain mixed liquor A；
Then, weigh sulfur source and be dissolved in deionized water, prepare sulfur source solution, be dropwise added drop-wise in mixed liquor A with dropper, and constantly
Stirring 5～10min, obtains mixed liquid B；
Finally, mixed liquid B is moved in the hydrothermal reaction kettle that politef is liner and react, after reaction terminates, natural cooling
To room temperature, centrifugal collection product, washs product with deionized water and dehydrated alcohol, is dried, obtains g-C3N4/MoS2/
ZnS nano composite material.
A kind of g-C the most according to claim 13N4/MoS2The preparation method of/ZnS nano composite material, it is characterised in that
In step (1), described g-C3N4The preparation method of powder is: with carbamide as raw material, and 10g carbamide is placed in the corundum with cover of 25mL
In crucible, it is transferred in chamber type electric resistance furnace, with 10～20 DEG C/min temperature programming to 550～600 DEG C, is incubated 2h, natural cooling
To room temperature, obtain faint yellow g-C3N4Powder.
A kind of g-C the most according to claim 13N4/MoS2The preparation method of/ZnS nano composite material, it is characterised in that
In step (1), described sonication treatment time is 30～60min, described g-C3N4The concentration of dispersion liquid is 0.5～2mg/mL.
A kind of g-C the most according to claim 13N4/MoS2The preparation method of/ZnS nano composite material, it is characterised in that
In step (2), described molybdate is sodium molybdate or ammonium molybdate；When using ammonium molybdate, ammonium molybdate: zinc sulphate heptahydrate: hydrochloric acid hydroxyl
The mol ratio of amine is 1:7:15.4；When using sodium molybdate, sodium molybdate: zinc sulphate heptahydrate: mol ratio 1:1 of oxammonium hydrochloride.:
2.2。
A kind of g-C the most according to claim 13N4/MoS2The preparation method of/ZnS nano composite material, it is characterised in that
In step (2), described sulfur source is thiourea or thioacetamide；Wherein, zinc sulphate heptahydrate: mol ratio 1:2.8 in sulfur source～3.
A kind of g-C the most according to claim 13N4/MoS2The preparation method of/ZnS nano composite material, it is characterised in that
In step (2), the concentration of described sulfur source solution is 0.392～0.42mmol/mL, and drop rate is 1 drop/sec.
A kind of g-C the most according to claim 13N4/MoS2The preparation method of/ZnS nano composite material, it is characterised in that
In step (2), described reaction kettle for reaction condition is 180～200 DEG C of reaction 24h.
A kind of g-C the most according to claim 13N4/MoS2The preparation method of/ZnS nano composite material, it is characterised in that
In step (2), described drying condition is 60 DEG C of dry 12h.
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| CN107115880A (en) * | 2017-04-24 | 2017-09-01 | 吉林师范大学 | A kind of MoS2/CNTs/g C3N4 composite photo-catalysts and preparation method thereof |
| CN107421992A (en) * | 2017-06-19 | 2017-12-01 | 新疆大学 | A kind of detection method of ozone and ozone precursor |
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| CN110052278A (en) * | 2019-06-12 | 2019-07-26 | 河南大学 | Core-shell structure ZnS@C@MoS2The preparation method and applications of catalyst |
| CN110075895A (en) * | 2019-04-08 | 2019-08-02 | 镇江市高等专科学校 | A kind of carbon nitrence-zinc sulphide composite nano materials and its preparation method and application |
| CN110243880A (en) * | 2019-07-11 | 2019-09-17 | 蚌埠学院 | A kind of preparation method and application for the gas sensitive detecting ammonia |
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| CN106975511A (en) * | 2017-04-24 | 2017-07-25 | 吉林师范大学 | A kind of MoS2/C60/g‑C3N4Composite photo-catalyst and preparation method thereof |
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| CN110776014A (en) * | 2019-10-10 | 2020-02-11 | 北京理工大学 | Sodium ion battery cathode composite material and preparation method thereof |
| CN110776014B (en) * | 2019-10-10 | 2020-10-27 | 北京理工大学 | Sodium ion battery cathode composite material and preparation method thereof |
| CN113113584A (en) * | 2021-03-25 | 2021-07-13 | 郑州科技学院 | NiFe-LDH composite C3N4@Mo2Preparation method of material C |
| CN113113584B (en) * | 2021-03-25 | 2022-06-17 | 郑州科技学院 | NiFe-LDH composite C3N4@Mo2Preparation method of C battery electrode material |
| CN114242964A (en) * | 2021-11-08 | 2022-03-25 | 南京航空航天大学 | Electrode material for lithium ion battery cathode and preparation method thereof |
| CN115196669A (en) * | 2022-06-06 | 2022-10-18 | 桂林电子科技大学 | Zinc sulfide-tin sulfide-molybdenum disulfide multi-element composite semiconductor material and preparation method and application thereof |
| CN115196669B (en) * | 2022-06-06 | 2024-01-19 | 桂林电子科技大学 | Zinc sulfide-tin sulfide-molybdenum disulfide multielement composite semiconductor material and preparation method and application thereof |
| CN117705896A (en) * | 2024-02-04 | 2024-03-15 | 西安电子科技大学 | Flexible NO 2 Preparation method of gas sensor and sensor |
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