CN104591164A - Method for preparing graphene microspheres - Google Patents
Method for preparing graphene microspheres Download PDFInfo
- Publication number
- CN104591164A CN104591164A CN201410841690.3A CN201410841690A CN104591164A CN 104591164 A CN104591164 A CN 104591164A CN 201410841690 A CN201410841690 A CN 201410841690A CN 104591164 A CN104591164 A CN 104591164A
- Authority
- CN
- China
- Prior art keywords
- graphene
- microbody
- graphene oxide
- substrate
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention relates to the technical field of novel materials and in particular discloses a method for preparing graphene microspheres. The method comprises the following steps: (1) adding graphite oxide into deionized water, performing ultrasonic dispersion to form 0.05-2mg/mL of graphene oxide dispersion liquid, and dripping the graphene oxide dispersion liquid onto a substrate with a super-hydrophobic surface by using a dropper; putting the substrate into a drying oven, regulating the temperature of the drying oven to be 55-65 DEG C, and drying; and finally, reducing graphene oxide sheets by using hydrazine vapor, thereby obtaining the graphene microspheres. The method for preparing the graphene microspheres disclosed by the invention is easy to operate and low in energy consumption, the graphene oxide is self-agglomerated into graphene oxide microspheres by utilizing non-infiltration of the super-hydrophobic surface, and the graphene microspheres are obtained by virtue of simple reduction.
Description
Technical field
The present invention relates to new material technology field, particularly relate to a kind of preparation method of Graphene microbody.
Background technology
Graphene is with sp by carbon atom
2the monoatomic layer that hydridization connects is formed, and its basic structural unit is the six-ring that six carbon atom is formed, and its theoretic throat is only 0.35nm, is the thinnest two-dimensional material found at present.Graphene has excellent character (J.APPL.POLYM.SCI., 2014, DOI:10.1002/APP.39628), and it is material the strongest in the world at present, and Young's modulus reaches 1TPa.In addition, its thermal conductivity height is to 5300W/Mk, and specific surface area reaches 2300m
2/ g, has the electronic mobility 200000cm of superelevation simultaneously
2/ Vs, all these performances make Graphene become the favorite in the world.But in process prepared by reality, due to the hydrophobic character of Graphene, always there is the reunion of blade, thus bury the advantage of its high-specific surface area, finally hinder its further application in fields such as microelectronics, matrix material, catalysis.
The Graphene of surface folding, the fold on its surface can stop between oxyalkylene lamella and is superimposed with each other, thus makes it have higher specific surface area, is convenient to Graphene in field widespread uses such as catalysis.Therefore, how to make graphene oxide lamella form more fold, become a focus of current research.At present, preparing Graphene oxidation of precursor graphene sheet layer, to form a kind of good method of more folds be by containing graphene oxide or the graphene oxide small aerosol rapid evaporation with the mixture of other material at 800 DEG C, thus obtain the graphene film Rotating fields (ACSNANO of high fold, 2011,5,8943-8949).But this method needs very high temperature, and energy consumption is higher.In prior art, prepare Graphene microbody process all more loaded down with trivial details, general long processing time and Heating temperature is high, cause power consumption larger.The another kind of effective way improving graphene oxide specific surface area is its self-assembly behaviors of regulation and control, stop between graphene oxide lamella superimposed, make the unordered accumulation of single-layer graphene fragment being originally easy to be formed stacked in layers, form spherical or more complicated polyhedral structure.In theory, interlocked by graphene oxide lamella and pile up stable spheroid on the thermodynamics that formed and will possess larger pore volume, porosity and specific surface area.
Summary of the invention
The present invention, in order to overcome the deficiency of above-mentioned technical problem, provides a kind of preparation method of Graphene microbody, and Graphene microbody specific surface area prepared by the method is large, and the method is simple to operate, with low cost, production efficiency is higher.
The technical scheme solved the problems of the technologies described above is as follows:
A preparation method for Graphene microbody, comprises the following steps:
First add in deionized water by graphite oxide, ultrasonic disperse forms the graphene oxide dispersion of 0.05mg/mL ~ 2mg/mL, then drips on the substrate of super hydrophobic surface by this graphene oxide dispersion dropper; Put into baking oven, regulate oven temperature to be 55 ~ 65 DEG C, dry; Finally with hydrazine steam, reduction is carried out to graphene oxide sheet and obtain Graphene microbody.
Further, the substrate of described super hydrophobic surface comprises: lotus leaf, tetrafluoroethylene, seven fluorinated monomers, Fluorine containing olefine and with in the glass of low-surface energy substance process, silicon chip, tinsel, plastics any one.
Further, described low-surface energy substance is for containing fluoropropyl caged silsesquioxane or dimethyl silicone oil.
Further, the water dropper internal diameter of described dropper is 0.1 ~ 4mm.
Beneficial effect of the present invention is: the present invention prepares that the method for Graphene microbody is simple to operate, energy consumption is low, utilizes the not wetting property of super hydrophobic surface, allows graphene oxide from being agglomerated into graphene oxide microbody, after simple reduction, obtain Graphene microbody.The present invention utilizes the super hydrophobic surfaces such as lotus leaf to make Graphene microbody by simple dropping in its surface groups method forming drop of conglobulating, microbody size can be adjusted by the drop size (dropper water dropper internal diameter size) when dripping on the one hand, can be adjusted on the other hand by the concentration of controlled oxidization graphene dispersing solution.This preparation method is simple and drying temperature is lower, greatly reduces power consumption.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the low power scanning electron micrographs of Graphene microbody prepared by embodiment 1;
Fig. 2 is the high power scanning electron micrographs of Graphene microbody prepared by embodiment 1;
Embodiment
Embodiment 1
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 0.05mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 1mm is dropped in lotus leaf surface, and described lotus leaf uses deionized water and ethanol purge in advance;
Second step, having the lotus leaf of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 55 DEG C, drying; To be dried complete, take off from lotus leaf;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.Fig. 1 is the low power scanning electron microscope (SEM) photograph of made Graphene microbody, and Fig. 2 is the high power scanning electron microscope (SEM) photograph of made Graphene microbody, and clearly, microbody is reunited by the graphene film of a large amount of fold and formed.
Embodiment 2
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 0.1mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 0.2mm is dropped in lotus leaf surface, and described lotus leaf uses deionized water and ethanol purge in advance;
Second step, having the lotus leaf of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 60 DEG C, drying; To be dried complete, take off from lotus leaf;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.Obtained microbody is similar to shown in Fig. 1, just increases to some extent on volume.
Embodiment 3
A preparation method for Graphene microbody, comprises the following steps:
The first step, first graphite oxide is added in deionized water, ultrasonic disperse forms the graphene oxide dispersion of 0.1mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 1mm is dropped in ptfe surface, and described tetrafluoroethylene uses deionized water and ethanol purge in advance;
Second step, having the tetrafluoroethylene of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 60 DEG C, drying; To be dried complete, take off from tetrafluoroethylene;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.
Embodiment 4
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 2mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 1mm is dropped in substrate surface, and described substrate uses deionized water and ethanol purge in advance; The glass of described substrate for modifying containing fluoropropyl caged silsesquioxane (fluoroPOSS);
Second step, having the substrate of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 65 DEG C, drying; To be dried complete, take off from substrate;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.The Graphene microbody of gained significantly reduces on volume.
Embodiment 5
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 2mg/mL, and the liquid-transfering gun of this dispersion liquid water dropper internal diameter 0.1mm is dropped in substrate surface, and described substrate uses deionized water and ethanol purge in advance; The glass of described substrate for modifying containing fluoropropyl caged silsesquioxane (fluoroPOSS);
Second step, having the substrate of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 65 DEG C, drying; To be dried complete, take off from substrate;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.The Graphene microbody of gained significantly reduces on volume.
Embodiment 6
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 0.06mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 4mm is dropped in substrate surface, and described substrate uses deionized water and ethanol purge in advance; Described substrate is the plastics that dimethyl silicone oil (polydimethysiloxane) processed;
Second step, having the substrate of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 60 DEG C, drying; To be dried complete, take off from substrate;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.The Graphene microbody of gained significantly increases on volume.
Embodiment 7
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 0.06mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 2.5mm is dropped in substrate surface, and described substrate uses deionized water and ethanol purge in advance; Described substrate is the silicon chip that dimethyl silicone oil (polydimethysiloxane) processed;
Second step, having the substrate of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 60 DEG C, drying; To be dried complete, take off from substrate;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.
Embodiment 8
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 0.15mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 3mm is dropped in substrate surface, and described substrate uses deionized water and ethanol purge in advance; Described substrate is the copper tinsel that dimethyl silicone oil (polydimethysiloxane) processed;
Second step, having the substrate of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 60 DEG C, drying; To be dried complete, take off from substrate;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.
Embodiment 9
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 0.16mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 3.4mm is dropped in substrate surface, and described substrate uses deionized water and ethanol purge in advance; Described substrate is Fluorine containing olefine;
Second step, having the substrate of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 60 DEG C, drying; To be dried complete, take off from substrate;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.
Embodiment 10
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 0.09mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 2.4mm is dropped in substrate surface, and described substrate uses deionized water and ethanol purge in advance; Described substrate is the aluminum metal film processed containing fluoropropyl caged silsesquioxane (fluoroPOSS);
Second step, having the substrate of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 63 DEG C, drying; To be dried complete, take off from substrate;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.
Embodiment 11
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 0.08mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 1.5mm is dropped in substrate surface, and described substrate uses deionized water and ethanol purge in advance; Described substrate is the ferrous metal sheet processed containing fluoropropyl caged silsesquioxane (fluoroPOSS);
Second step, having the substrate of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 60 DEG C, drying; To be dried complete, take off from substrate;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.
Embodiment 12
A preparation method for Graphene microbody, comprises the following steps:
The first step, first adds in deionized water by graphite oxide, and ultrasonic disperse forms the graphene oxide dispersion of 0.15mg/mL, and the dropper of this dispersion liquid water dropper internal diameter 2mm is dropped in substrate surface, and described substrate uses deionized water and ethanol purge in advance; Described substrate is seven fluorinated monomers;
Second step, having the substrate of graphene oxide to put into baking oven by dripping, regulating oven temperature to be 60 DEG C, drying; To be dried complete, take off from substrate;
3rd step, by dried product, puts into the container filling hydrazine hydrate, and good seal, be heated to 95 DEG C and maintain 24h, utilizing hydrazine steam to reduce to it, Graphene microbody can be obtained.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention, every according in technical spirit of the present invention to any simple modification, equivalent variations that above embodiment is done, all fall within protection scope of the present invention.
Claims (4)
1. a preparation method for Graphene microbody, is characterized in that, comprises the following steps:
First add in deionized water by graphite oxide, ultrasonic disperse forms the graphene oxide dispersion of 0.05mg/mL ~ 2mg/mL, then drips on the substrate of super hydrophobic surface by this graphene oxide dispersion dropper; Put into baking oven, regulate oven temperature to be 55 ~ 65 DEG C, dry; Finally with hydrazine steam, reduction is carried out to graphene oxide sheet and obtain Graphene microbody.
2. the preparation method of a kind of Graphene microbody according to claim 1, it is characterized in that, the substrate of described super hydrophobic surface comprises: lotus leaf, tetrafluoroethylene, seven fluorinated monomers, Fluorine containing olefine and with in the glass of low-surface energy substance process, silicon chip, tinsel, plastics any one.
3. the preparation method of a kind of Graphene microbody according to claim 2, is characterized in that, described low-surface energy substance is for containing fluoropropyl caged silsesquioxane or dimethyl silicone oil.
4. the preparation method of a kind of Graphene microbody according to claim 1, is characterized in that, the water dropper internal diameter of described dropper is 0.1 ~ 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841690.3A CN104591164B (en) | 2014-12-30 | 2014-12-30 | A kind of preparation method of Graphene microbody |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841690.3A CN104591164B (en) | 2014-12-30 | 2014-12-30 | A kind of preparation method of Graphene microbody |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104591164A true CN104591164A (en) | 2015-05-06 |
| CN104591164B CN104591164B (en) | 2016-09-07 |
Family
ID=53117285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410841690.3A Expired - Fee Related CN104591164B (en) | 2014-12-30 | 2014-12-30 | A kind of preparation method of Graphene microbody |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104591164B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105582751A (en) * | 2015-12-17 | 2016-05-18 | 常州碳星科技有限公司 | Filter element and preparing method and application thereof |
| CN108565435A (en) * | 2018-05-09 | 2018-09-21 | 东南大学 | A kind of preparation method of graphene porous particle |
| CN108946709A (en) * | 2018-07-10 | 2018-12-07 | 东南大学 | A kind of preparation method of the three-dimensional high-densit more fold graphene oxides of high-hydroscopicity |
| CN113583495A (en) * | 2021-08-27 | 2021-11-02 | 西安应用光学研究所 | Low-air-out-rate antistatic optical absorption coating and preparation method thereof |
| CN113788477A (en) * | 2021-09-26 | 2021-12-14 | 深圳华算科技有限公司 | Folded graphene coating and preparation method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009117628A1 (en) * | 2008-03-20 | 2009-09-24 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Reduced graphene oxide film |
| CN103043654A (en) * | 2011-10-12 | 2013-04-17 | 国家纳米科学中心 | Film containing graphene and/or graphene oxide, and preparation method thereof |
| CN103086372A (en) * | 2013-01-24 | 2013-05-08 | 东南大学 | Method for preparing large-area graphene sponge |
| CN103101908A (en) * | 2013-01-24 | 2013-05-15 | 东南大学 | Method for preparing graphene film |
| CN103172062A (en) * | 2013-04-17 | 2013-06-26 | 东南大学 | Preparation method of graphene film for dye-sensitized solar cell counter electrodes |
| CN103449423A (en) * | 2013-08-27 | 2013-12-18 | 常州第六元素材料科技股份有限公司 | Graphene heat conducting membrane and preparation method thereof |
| CN103508447A (en) * | 2012-06-26 | 2014-01-15 | 海洋王照明科技股份有限公司 | Preparation method of graphene |
| CN103964424A (en) * | 2014-05-13 | 2014-08-06 | 桂林理工大学 | Method for preparing photoreduction graphene oxide thin film |
| CN104071783A (en) * | 2014-06-30 | 2014-10-01 | 吉林大学 | Method for preparing flexible papyraceous reduced graphene oxide film |
| CN104085143A (en) * | 2014-05-29 | 2014-10-08 | 深圳市铭晶科技有限公司 | Preparation method of composite heat conduction graphene film and composite heat conduction graphene film |
-
2014
- 2014-12-30 CN CN201410841690.3A patent/CN104591164B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009117628A1 (en) * | 2008-03-20 | 2009-09-24 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Reduced graphene oxide film |
| CN103043654A (en) * | 2011-10-12 | 2013-04-17 | 国家纳米科学中心 | Film containing graphene and/or graphene oxide, and preparation method thereof |
| CN103508447A (en) * | 2012-06-26 | 2014-01-15 | 海洋王照明科技股份有限公司 | Preparation method of graphene |
| CN103086372A (en) * | 2013-01-24 | 2013-05-08 | 东南大学 | Method for preparing large-area graphene sponge |
| CN103101908A (en) * | 2013-01-24 | 2013-05-15 | 东南大学 | Method for preparing graphene film |
| CN103172062A (en) * | 2013-04-17 | 2013-06-26 | 东南大学 | Preparation method of graphene film for dye-sensitized solar cell counter electrodes |
| CN103449423A (en) * | 2013-08-27 | 2013-12-18 | 常州第六元素材料科技股份有限公司 | Graphene heat conducting membrane and preparation method thereof |
| CN103964424A (en) * | 2014-05-13 | 2014-08-06 | 桂林理工大学 | Method for preparing photoreduction graphene oxide thin film |
| CN104085143A (en) * | 2014-05-29 | 2014-10-08 | 深圳市铭晶科技有限公司 | Preparation method of composite heat conduction graphene film and composite heat conduction graphene film |
| CN104071783A (en) * | 2014-06-30 | 2014-10-01 | 吉林大学 | Method for preparing flexible papyraceous reduced graphene oxide film |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105582751A (en) * | 2015-12-17 | 2016-05-18 | 常州碳星科技有限公司 | Filter element and preparing method and application thereof |
| CN105582751B (en) * | 2015-12-17 | 2018-05-22 | 常州碳星科技有限公司 | Filter core and its preparation method and application |
| CN108565435A (en) * | 2018-05-09 | 2018-09-21 | 东南大学 | A kind of preparation method of graphene porous particle |
| CN108565435B (en) * | 2018-05-09 | 2020-10-23 | 东南大学 | Preparation method of graphene porous particles |
| CN108946709A (en) * | 2018-07-10 | 2018-12-07 | 东南大学 | A kind of preparation method of the three-dimensional high-densit more fold graphene oxides of high-hydroscopicity |
| CN113583495A (en) * | 2021-08-27 | 2021-11-02 | 西安应用光学研究所 | Low-air-out-rate antistatic optical absorption coating and preparation method thereof |
| CN113788477A (en) * | 2021-09-26 | 2021-12-14 | 深圳华算科技有限公司 | Folded graphene coating and preparation method thereof |
| CN113788477B (en) * | 2021-09-26 | 2023-08-04 | 深圳华算科技有限公司 | Wrinkled graphene coating and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104591164B (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104591164A (en) | Method for preparing graphene microspheres | |
| CN108128768B (en) | Graphene-carbon quantum dot composite heat-conducting film with bionic laminated structure and preparation method thereof | |
| Gao et al. | A cobalt oxide@ polydopamine-reduced graphene oxide-based 3D photothermal evaporator for highly efficient solar steam generation | |
| CN107285376B (en) | A kind of two dimension TiO2Ultrathin nanometer piece and preparation method thereof | |
| CN104163420B (en) | Ag doping Graphene extrusion coating paper and preparation method thereof | |
| CN107089707B (en) | Core-shell structure three-dimensional graphene composite material for capacitive desalination electrode and preparation method thereof | |
| CN106495133A (en) | High heat conduction Flexible graphene method for manufacturing thin film | |
| CN105780364A (en) | Method for preparing super-microporous flexible carbon cloth and product thereof and application | |
| Wang et al. | Selenium-functionalized carbon as a support for platinum nanoparticles with improved electrochemical properties for the oxygen reduction reaction and CO tolerance | |
| CN107311152A (en) | Graphene aerogel, its preparation method and application | |
| CN105688285A (en) | Method for preparing chitosan three-dimensional scaffold coated by graphene material | |
| CN104973592B (en) | Liquid-phase oriented preparation method of high-electric-conductive and high-heat-conductive graphene film | |
| CN111410190B (en) | Graphene-boron nitride composite film with insulating and heat-conducting properties and preparation method thereof | |
| KR102316218B1 (en) | Independent self-supporting graphene film and method for manufacturing the same | |
| CN106899235B (en) | A kind of droplet flow power generator and preparation method thereof | |
| CN107226464B (en) | The preparation method of graphene aerogel based on emulsion method | |
| CN106219531B (en) | A kind of preparation method of graphite/nanometer carbon pipe array composite heat conduction film | |
| Miao et al. | Defect-engineered three-dimensional vanadium diselenide microflowers/nanosheets on carbon cloth by chemical vapor deposition for high-performance hydrogen evolution reaction | |
| CN104609409A (en) | Preparation method of graphene millimeter sheet | |
| CN109292757A (en) | A kind of graphene and preparation method thereof | |
| CN107109662B (en) | The manufacturing method and dye-sensitized solar cells of semiconductor film | |
| CN106219532B (en) | A kind of nanometer carbon pipe array/graphite composite heat conduction film and preparation method thereof | |
| CN109622079B (en) | Preparation method of strip-shaped liquid marble | |
| Nakamura et al. | Significant increase in GaN growth rate by halogen-free vapor phase epitaxy with porosity-controlled evaporator | |
| CN111607364A (en) | Graphene heat conduction material, preparation method thereof and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210916 Address after: 518033 703a8, building a, Xinghe century, No. 3069, CaiTian Road, Gangxia community, Futian street, Futian District, Shenzhen, Guangdong Patentee after: Shenzhen carbon star Water Technology Co.,Ltd. Patentee after: CHANGZHOU TANXING TECHNOLOGY Co.,Ltd. Address before: 213100 No. 6, Xiangyun Road, Wujin economic development district, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU TANXING TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20211230 |