CN107053784A - A kind of preparation method of inorganic nano-stack composite membrane - Google Patents
A kind of preparation method of inorganic nano-stack composite membrane Download PDFInfo
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- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
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- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1808—Handling of layers or the laminate characterised by the laying up of the layers
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- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2457/10—Batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2457/00—Electrical equipment
- B32B2457/16—Capacitors
Abstract
The present invention provides a kind of preparation method of inorganic nano-stack composite membrane.Nano material powder is dispersed in solvent that can be miscible with water and forms uniform dispersion liquid, dispersion liquid is expelled to water surface, ultrathin membrane of the nano material in water surface one layer of homogeneous transparent of formation, alternately and repeatedly shift in two or more nano material ultrathin membrane to substrate, form inorganic nano-stack composite membrane.These nano hybridization laminated composite thin films are alternately stacked by different nano material ultrathin membranes and formed, with uniform sequential nano-stack structure.
Description
Technical field
The present invention relates to nanometer material science and technical field, more particularly to inorganic-inorganic nano compound film field.
Background technology
In the evolution of many decades, researcher progressively has to nano material to understand in depth, so that in material supply section
Learn in research and achieve quick development.Wherein, inorganic-inorganic nano compound film is obtained because with unique physical property
It is widely applied, such as in terms of catalysis, sensor, photoelectric device, nanometer biotechnology, energy stores and conversion, nanometer
Membrane material all has important science and actual application value.The technology of preparing of nano film material is also progressively improved, such as
There are the methods such as chemical vapor deposition, ald, colloid assembling and molecular beam epitaxy.But these methods it is general to environment and
Equipment has higher requirement, is restricted the preparation process of material, while adding the preparation cost of material.In order to realize
A variety of functions are integrated, it is necessary to two or more different nano material be carried out uniform sequential compound.Now, using above-mentioned
Method for manufacturing thin film can not prepare the nanometer hybridized film of the uniform sequential distribution of multicomponent effective and rapidly.
With continuing to develop for nano-fabrication technique, researcher also invented self-assembling technique, to realize the height of material
Degree is integrated provide new approaches in order.Self-assembling technique include vacuum filtration self assembly, Langmuir-Blodgett self assemblies,
Interface assisted self assembling etc..These self-assembling techniques can integrate nano material, obtain the structure of high-sequential.However,
These package techniques only rest on laboratory stage, it is difficult to efficiently quickly prepare large-area nano hybrid film.It is used as nanometer
Hybrid film material, its dispersiveness and structural order are that we must pay close attention to, and it is thin that it is related to constructed nano hybridization
Whether membrane material possesses the basic function of construction unit material.Therefore, the preparation method of inorganic-inorganic nanometer hybridized film is innovated
Also need to further exploration.
Therefore, present invention mainly solves the stability of unit material in functional nano thin-film material, dispersiveness and
The problem of in terms of interaction, the uniform sequential nano hybridization laminate film of controllable preparation.The film can by above-mentioned zero dimension,
One-dimensional any more than two or three with two-dimensional material is combined, at the same the excellent properties of each unit material are integrated, assign
Give material multi-functional.The advantage of this method is easy to operate, it is easy to extensive to prepare, and preparation process is easily controllable.
The content of the invention
For above-mentioned technical problem, it is an object of the invention to propose a kind of side for preparing nano hybridization lamination composite membrane
Method, step includes：
1) nanofiber or nanometer sheet are dispersed in can be miscible with water solvent in, form uniform dispersion liquid；
2) above-mentioned dispersion liquid is expelled to water surface, nanofiber or nanometer sheet are in water surface one layer of homogeneous transparent of formation
Ultrathin membrane；
3) the different nano material ultrathin membranes for forming water surface are alternately transferred in substrate, obtain nanofiber/nanometer
Fiber hydridization laminated composite thin film or nanofiber/nanometer sheet hydridization laminated composite thin film or nanometer sheet/nanometer sheet lamination
Laminated film.
Further, the present invention also provides a kind of preparation method of inorganic-inorganic nano-stack composite membrane, the inorganic-nothing
Machine nano-stack composite membrane is alternately stacked by the different inorganic nano material ultrathin membranes formed in water surface and formed；It is specific to prepare step
It is rapid as follows：
(1) a kind of inorganic nano material is dispersed in energy organic solvent miscible with water, forms uniform dispersion liquid, will
Dispersion liquid is slowly expelled to water surface, ultrathin membrane of the inorganic nano material in water surface one layer of homogeneous transparent of formation；
(2) another inorganic nano material is dispersed in energy organic solvent miscible with water, forms uniform dispersion liquid,
Dispersion liquid is slowly expelled to water surface, ultrathin membrane of another inorganic nano material in water surface one layer of homogeneous transparent of formation；
(3) the different inorganic nano material ultrathin membranes for forming water surface are alternately transferred in substrate, obtain inorganic-inorganic
Nano-stack composite membrane.
Described inorganic nano material is selected from graphene, molybdenum disulfide (MoS2), boron nitride (BN), tungsten sulfide (WS2), selenium
Change molybdenum (MoSe2), telluride molybdenum (MoTe2), selenizing tantalum (TaSe2), selenizing niobium (NbSe), telluride nickel (NiTe2), bismuth telluride
(Bi2Te3), two tungsten selenide (WSe2), two telluride tungsten (WTe2), vulcanization gallium (GaS), vulcanization hafnium (HfSe2), indium selenide
(In2Se3), sulphur tin-lead (PbSnS2), selenizing platinum (PtSe2), sulfuration rhenium (ReS2), artificial gold (SnS2), stannic selenide (SnSe2)、
Vulcanize tantalum (TaS2), titanium sulfide (TiS2), selenizing titanium (TiSe2) or selenizing vanadium (VSe2), CNT, carbon nano-fiber or stone
Black alkene nanobelt.
The organic solvent of scattered inorganic nano material used includes methanol, ethanol, isopropanol, acetone, N- methylpyrroles
One kind in alkanone, NVP, N,N-dimethylformamide, dimethyl sulfoxide (DMSO), DMAC N,N' dimethyl acetamide or
Person is several.
Inorganic nano material is in the ultrathin membrane of water surface formation homogeneous transparent, and the thickness of ultrathin membrane is at 0.34 nanometer to 100
In nanometer range.
Base material used includes：Glass, quartz, silicon chip, plastics or metal.
Described plastic-substrates pass through hydrophilic treated, including corona treatment or UV ozone cleaning treatment.
Two or more inorganic nano material that obtained nano hybridization laminated composite thin film is formed by water surface surpasses
Film, which is alternately stacked, to be formed.
The concentration of dispersion liquid is 0.001-2mg/ml, preferably 0.1-1mg/ml.
The purposes of inorganic-inorganic nano-stack composite membrane prepared by the above method, for radiating, being electromagnetically shielded, super electricity
Container, lithium battery, solar cell or catalytic field.
This method can by two or more different nano material it is uniform sequential be integrated into inorganic-inorganic nanometer it is miscellaneous
Changing, there is every thickness degree in laminated construction, laminated construction to be received at 0.34 nanometer to 100 inside film, the nanometer hybridized film of acquisition
Between rice, it this method solve nanometer hybridized film preparation process caused preparation process high to environment and equipment requirement and be limited,
Cost is higher to wait difficult, also solves the problems such as component materials bad dispersibility in nanometer hybridized film, structural order are poor.The party
Nano hybridization laminated composite thin film prepared by method is in radiating, electromagnetic shielding, ultracapacitor, lithium battery, solar cell, catalysis
Potentiality are had a wide range of applications Deng field.
Embodiment
Clear, complete description will be carried out to the technical scheme in the embodiment of the present invention below.Obviously, described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Embodiment 1
The method for preparing nano hybridization lamination composite membrane, comprises the following steps：
(1) graphene/1-METHYLPYRROLIDONE dispersion liquid that concentration is 1mg/ml is taken, it is used to syringe pump with 20ml/h's
Speed is expelled to water surface along chamber wall, in the graphene extra-thin film of water surface one layer of homogeneous transparent of formation；
(2) graphene extra-thin film of homogeneous transparent is picked up with sheet glass, dried；
(3) take concentration be 0.5mg/ml CNT/DMF dispersion liquid, by its with syringe pump with
10ml/h speed is expelled to water surface along chamber wall, in the CNT ultrathin membrane of water surface one layer of homogeneous transparent of formation；
(4) sheet glass for being loaded with graphene extra-thin film obtained with step 2 drags for the CNT ultrathin membrane of step 3
Rise, dry；
(5) above-mentioned steps 1-4 is iteratively repeated, graphene/carbon nano-tube lamination composite membrane is obtained.
Embodiment 2
The method for preparing nano hybridization lamination composite membrane, comprises the following steps：
(1) graphene/1-METHYLPYRROLIDONE dispersion liquid that concentration is 1mg/ml is taken, it is used to syringe pump with 20ml/h's
Speed is expelled to water surface along chamber wall, in the graphene extra-thin film of water surface one layer of homogeneous transparent of formation；
(2) graphene extra-thin film of homogeneous transparent is picked up with copper foil, dried；
(3) take concentration be 0.2mg/ml molybdenum disulfide/NVP dispersion liquid, by its with syringe pump with
10ml/h speed is expelled to water surface along chamber wall, in the molybdenum disulfide ultrathin membrane of water surface one layer of homogeneous transparent of formation；
(4) copper foil for being loaded with graphene extra-thin film obtained with step 2 picks up the molybdenum disulfide ultrathin membrane of step 3,
Dry；
(5) above-mentioned steps 1-4 is iteratively repeated, graphene/molybdenum disulfide lamination composite membrane is obtained.
Embodiment 3
The method for preparing nano hybridization lamination composite membrane, comprises the following steps：
(1) take concentration be 0.5mg/ml CNT/1-METHYLPYRROLIDONE dispersion liquid, by its with syringe pump with
10ml/h speed is expelled to water surface along chamber wall, in the CNT ultrathin membrane of water surface one layer of homogeneous transparent of formation；
(2) the CNT ultrathin membrane of homogeneous transparent is picked up with plastic sheet, dried；
(3) boron nitride/isopropanol dispersion liquid that concentration is 0.5mg/ml is taken, it is used to syringe pump with 10ml/h speed edge
Chamber wall is expelled to water surface, in the boron nitride ultrathin membrane of water surface one layer of homogeneous transparent of formation；
(4) plastic sheet for being loaded with CNT ultrathin membrane obtained with step 2 drags for the boron nitride ultrathin membrane of step 3
Rise, dry；
(5) above-mentioned steps 1-4 is iteratively repeated, CNT/boron nitride lamination composite membrane is obtained.
Embodiment 4
The method for preparing nano hybridization lamination composite membrane, comprises the following steps：
(1) graphene/1-METHYLPYRROLIDONE dispersion liquid that concentration is 1mg/ml is taken, it is used to syringe pump with 20ml/h's
Speed is expelled to water surface along chamber wall, in the graphene extra-thin film of water surface one layer of homogeneous transparent of formation；
(2) graphene extra-thin film of homogeneous transparent is picked up with silicon chip, dried；
(3) take concentration be 0.5mg/ml CNT/DMF dispersion liquid, by its with syringe pump with
10ml/h speed is expelled to water surface along chamber wall, in the CNT ultrathin membrane of water surface one layer of homogeneous transparent of formation；
(4) silicon chip for being loaded with graphene extra-thin film obtained with step 2 picks up the CNT ultrathin membrane of step 3,
Dry；
(5) take concentration be 0.2mg/ml molybdenum disulfide/NVP dispersion liquid, by its with syringe pump with
10ml/h speed is expelled to water surface along chamber wall, in the molybdenum disulfide ultrathin membrane of water surface one layer of homogeneous transparent of formation.
(6) silicon chip that there is CNT ultrathin membrane on the surface obtained with step 4 drags for the molybdenum disulfide ultrathin membrane of step 5
Rise, dry；
(7) above-mentioned steps 1-6 is iteratively repeated, graphene/carbon nano-tube/molybdenum disulfide lamination composite membrane is obtained.
Embodiment 5
The method for preparing nano hybridization lamination composite membrane, comprises the following steps：
(1) graphene/1-METHYLPYRROLIDONE dispersion liquid that concentration is 0.5mg/ml is taken, it is used to syringe pump with 10ml/h
Speed be expelled to water surface along chamber wall, water surface formation one layer of homogeneous transparent graphene extra-thin film；
(2) silicon chip is subjected to plasma treatment, then picked up the graphene extra-thin film of homogeneous transparent with silicon chip, dried；
(3) take concentration be 0.5mg/ml CNT/DMF dispersion liquid, by its with syringe pump with
10ml/h speed is expelled to water surface along chamber wall, in the CNT ultrathin membrane of water surface one layer of homogeneous transparent of formation；
(4) silicon chip for being loaded with graphene extra-thin film obtained with step 2 picks up the CNT ultrathin membrane of step 3,
Dry；
(5) molybdenum disulfide/dimethyl sulfoxide (DMSO) dispersion liquid that concentration is 0.5mg/ml is taken, it is used to syringe pump with 10ml/h's
Speed is expelled to water surface along chamber wall, in the molybdenum disulfide ultrathin membrane of water surface one layer of homogeneous transparent of formation.
(6) silicon chip that there is CNT ultrathin membrane on the surface obtained with step 4 drags for the molybdenum disulfide ultrathin membrane of step 5
Rise, dry；
(7) above-mentioned steps 1-6 is iteratively repeated, graphene/carbon nano-tube/molybdenum disulfide lamination composite membrane is obtained.
Embodiment 6
The method for preparing nano hybridization lamination composite membrane, comprises the following steps：
(1) take concentration be 0.5mg/ml graphene/DMA dispersion liquid, by its with syringe pump with
10ml/h speed is expelled to water surface along chamber wall, in the graphene extra-thin film of water surface one layer of homogeneous transparent of formation；
(2) silicon chip is subjected to UV ozone cleaning treatment, then picked up the graphene extra-thin film of homogeneous transparent with silicon chip,
Dry；
(3) boron nitride/DMF dispersion liquid that concentration is 1mg/ml is taken, it is used to syringe pump with 10ml/h
Speed be expelled to water surface along chamber wall, water surface formation one layer of homogeneous transparent boron nitride ultrathin membrane；
(4) silicon chip for being loaded with graphene extra-thin film obtained with step 2 picks up the boron nitride ultrathin membrane of step 3, does
It is dry；
(5) titanium sulfide/dimethyl sulfoxide (DMSO) dispersion liquid that concentration is 0.5mg/ml is taken, it is used to syringe pump with 10ml/h speed
Degree is expelled to water surface along chamber wall, in the titanium sulfide ultrathin membrane of water surface one layer of homogeneous transparent of formation.
(6) silicon chip that there is CNT ultrathin membrane on the surface obtained with step 4 picks up the titanium sulfide ultrathin membrane of step 5,
Dry；
(7) above-mentioned steps 1-6 is iteratively repeated, graphene/boron nitride/titanium sulfide lamination composite membrane is obtained.
Embodiment 7
The method for preparing nano hybridization lamination composite membrane, comprises the following steps：
(1) graphene/1-METHYLPYRROLIDONE dispersion liquid that concentration is 1mg/ml is taken, it is used to syringe pump with 10ml/h's
Speed is expelled to water surface along chamber wall, in the graphene extra-thin film of water surface one layer of homogeneous transparent of formation；
(2) silicon chip is subjected to plasma treatment, then picked up the graphene extra-thin film of homogeneous transparent with silicon chip, dried；
(3) take concentration be 1mg/ml CNT/DMF dispersion liquid, by its with syringe pump with
10ml/h speed is expelled to water surface along chamber wall, in the CNT ultrathin membrane of water surface one layer of homogeneous transparent of formation；
(4) silicon chip for being loaded with graphene extra-thin film obtained with step 2 picks up the CNT ultrathin membrane of step 3,
Dry；
(5) boron nitride/dimethyl sulfoxide (DMSO) dispersion liquid that concentration is 0.5mg/ml is taken, it is used to syringe pump with 10ml/h speed
Degree is expelled to water surface along chamber wall, in the boron nitride ultrathin membrane of water surface one layer of homogeneous transparent of formation.
(6) silicon chip that there is CNT ultrathin membrane on the surface obtained with step 4 picks up the boron nitride ultrathin membrane of step 5,
Dry；
(7) molybdenum disulfide/dimethyl sulfoxide (DMSO) dispersion liquid that concentration is 0.5mg/ml is taken, it is used to syringe pump with 10ml/h's
Speed is expelled to water surface along chamber wall, in the molybdenum disulfide ultrathin membrane of water surface one layer of homogeneous transparent of formation；
(8) silicon chip that there is boron nitride ultrathin membrane on the surface obtained with step 6 picks up the molybdenum disulfide ultrathin membrane of step 7,
Dry；
(9) above-mentioned steps 1-8 is iteratively repeated, graphene/carbon nano-tube/boron nitride/molybdenum disulfide lamination composite membrane is obtained.
Claims (10)
1. a kind of preparation method of inorganic-inorganic nano-stack composite membrane, it is characterised in that the inorganic-inorganic nano-stack
Composite membrane is alternately stacked by the different inorganic nano material ultrathin membranes formed in water surface and formed；Specific preparation process is as follows：
(1) a kind of inorganic nano material is dispersed in energy organic solvent miscible with water, forms uniform dispersion liquid, will be scattered
Liquid is slowly expelled to water surface, ultrathin membrane of the inorganic nano material in water surface one layer of homogeneous transparent of formation；
(2) another inorganic nano material is dispersed in energy organic solvent miscible with water, forms uniform dispersion liquid, will divided
Dispersion liquid is slowly expelled to water surface, ultrathin membrane of another inorganic nano material in water surface one layer of homogeneous transparent of formation；
(3) the different inorganic nano material ultrathin membranes for forming water surface are alternately transferred in substrate, obtain inorganic-inorganic nanometer
Lamination composite membrane.
2. according to the method described in claim 1, it is characterised in that described inorganic nano material is selected from graphene, curing
Molybdenum (MoS2), boron nitride (BN), tungsten sulfide (WS2), selenizing molybdenum (MoSe2), telluride molybdenum (MoTe2), selenizing tantalum (TaSe2), selenizing
Niobium (NbSe), telluride nickel (NiTe2), bismuth telluride (Bi2Te3), two tungsten selenide (WSe2), two telluride tungsten (WTe2), vulcanization gallium
(GaS), vulcanization hafnium (HfSe2), indium selenide (In2Se3), sulphur tin-lead (PbSnS2), selenizing platinum (PtSe2), sulfuration rhenium (ReS2), sulphur
Change tin (SnS2), stannic selenide (SnSe2), vulcanization tantalum (TaS2), titanium sulfide (TiS2), selenizing titanium (TiSe2) or selenizing vanadium (VSe2)、
CNT, carbon nano-fiber or graphene nanobelt.
3. according to the method described in claim 1, it is characterised in that the organic solvent of scattered inorganic nano material used includes
Methanol, ethanol, isopropanol, acetone, 1-METHYLPYRROLIDONE, NVP, N,N-dimethylformamide, dimethyl
One or several kinds in sulfoxide, DMAC N,N' dimethyl acetamide.
4. according to the method described in claim 1, it is characterised in that inorganic nano material is super water surface formation homogeneous transparent
Film, the thickness of ultrathin membrane is in 0.34 nanometer to 100 nanometer ranges.
5. according to the method described in claim 1, it is characterised in that base material used includes：Glass, quartz, silicon chip, modeling
Material or metal.
6. according to the method described in claim 1, it is characterised in that obtained nano hybridization laminated composite thin film is by water surface shape
Into two or more inorganic nano material ultrathin membrane be alternately stacked and form.
7. method according to claim 5, it is characterised in that plastic-substrates pass through hydrophilic treated.
8. method according to claim 7, it is characterised in that described hydrophilic treated includes plasma or UV ozone
Cleaning treatment.
9. according to the method described in claim 1, it is characterised in that the concentration of dispersion liquid is 0.001-2mg/ml.
10. the purposes of inorganic-inorganic nano-stack composite membrane prepared by the method described in claim any one of 1-9, for dissipating
Heat, electromagnetic shielding, ultracapacitor, lithium battery, solar cell or catalytic field.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910863A (en) * | 2018-06-26 | 2018-11-30 | 中科钢研节能科技有限公司 | A kind of intelligence graphene heat conducting film and preparation method thereof |
| CN110838586A (en) * | 2018-08-15 | 2020-02-25 | 深圳国家能源新材料技术研发中心有限公司 | Rhenium sulfide nanotube and preparation method and application thereof |
| CN111575660A (en) * | 2019-02-18 | 2020-08-25 | 中国石油化工股份有限公司 | Nano multilayer film and preparation method thereof |
| CN114132917A (en) * | 2021-12-01 | 2022-03-04 | 大连理工大学 | Preparation method of self-floating transparent nano ultrathin film |
| CN114420934A (en) * | 2022-01-19 | 2022-04-29 | 佛山(华南)新材料研究院 | Electrode material, preparation method thereof and lithium-sulfur battery containing electrode material |
| CN114864713A (en) * | 2021-12-27 | 2022-08-05 | 西南技术物理研究所 | Two-dimensional material heterojunction structure with high absorption coefficient and modeling analysis method thereof |
| CN114990698A (en) * | 2022-05-25 | 2022-09-02 | 西安电子科技大学 | Large-area uniform single-layer tungsten disulfide, preparation method and photoelectronic element |
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2017
- 2017-04-21 CN CN201710265519.6A patent/CN107053784B/en not_active Expired - Fee Related
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| TRISTA´N-LO´PEZ: "Large Area Films of Alternating Graphene Carbon Nanotube Layers Processed in Water", 《ACS NANO》 * |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910863A (en) * | 2018-06-26 | 2018-11-30 | 中科钢研节能科技有限公司 | A kind of intelligence graphene heat conducting film and preparation method thereof |
| CN108910863B (en) * | 2018-06-26 | 2020-05-15 | 中科钢研节能科技有限公司 | Graphene heat-conducting film and preparation method thereof |
| CN110838586A (en) * | 2018-08-15 | 2020-02-25 | 深圳国家能源新材料技术研发中心有限公司 | Rhenium sulfide nanotube and preparation method and application thereof |
| CN110838586B (en) * | 2018-08-15 | 2023-02-10 | 深圳国家能源新材料技术研发中心有限公司 | Rhenium sulfide nano tube and preparation method and application thereof |
| CN111575660A (en) * | 2019-02-18 | 2020-08-25 | 中国石油化工股份有限公司 | Nano multilayer film and preparation method thereof |
| CN111575660B (en) * | 2019-02-18 | 2022-01-25 | 中国石油化工股份有限公司 | Nano multilayer film and preparation method thereof |
| CN114132917B (en) * | 2021-12-01 | 2022-10-25 | 大连理工大学 | Preparation method of self-floating transparent nano ultrathin film |
| CN114132917A (en) * | 2021-12-01 | 2022-03-04 | 大连理工大学 | Preparation method of self-floating transparent nano ultrathin film |
| US11731374B2 (en) | 2021-12-01 | 2023-08-22 | Dalian University Of Technology | Method for preparing self-floating transparent nano ultrathin film |
| CN114864713A (en) * | 2021-12-27 | 2022-08-05 | 西南技术物理研究所 | Two-dimensional material heterojunction structure with high absorption coefficient and modeling analysis method thereof |
| CN114420934A (en) * | 2022-01-19 | 2022-04-29 | 佛山(华南)新材料研究院 | Electrode material, preparation method thereof and lithium-sulfur battery containing electrode material |
| CN114420934B (en) * | 2022-01-19 | 2023-12-05 | 佛山(华南)新材料研究院 | Electrode material, preparation method thereof and lithium-sulfur battery containing electrode material |
| CN114990698A (en) * | 2022-05-25 | 2022-09-02 | 西安电子科技大学 | Large-area uniform single-layer tungsten disulfide, preparation method and photoelectronic element |
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