CN104528702A - Electric heating furnace for preparing graphene - Google Patents
Electric heating furnace for preparing graphene Download PDFInfo
- Publication number
- CN104528702A CN104528702A CN201410814339.5A CN201410814339A CN104528702A CN 104528702 A CN104528702 A CN 104528702A CN 201410814339 A CN201410814339 A CN 201410814339A CN 104528702 A CN104528702 A CN 104528702A
- Authority
- CN
- China
- Prior art keywords
- electrical heater
- heater according
- heating
- electric heating
- vacuum pump
- 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.)
- Pending
Links
Abstract
The invention discloses an electric heating furnace for preparing graphene. The electric heating furnace comprises a gas supply system, an exhaust system, a heating system, a furnace body sliding system and a deposition system, wherein the supplied gases comprise methane, hydrogen and nitrogen, and a continuous gas inlet mode or a pulsed gas inlet mode is adopted at the gas inlet; the exhaust system refers to a vacuum pump, and a solenoid valve is arranged between the vacuum pump and a deposition chamber; the heating system generates annular heating through a spiral resistance wire by virtue of an external power supply of a lead-out wire; quartz tubes of which two ends are open are arranged on the deposition system; and a closed environment is realized by a heated sealing plug. The electric heating furnace is easy to operate and low in price and is easy to popularize in universities and research institutions.
Description
Technical field
The invention belongs to technical field of graphene preparation, particularly a kind of electrical heater preparing Graphene.
Background technology
Graphene is the thinnest in the world, is also the hardest nano material, and completely transparent, only absorbs the light of 2.3%; Thermal conductivity is up to 5300W/mK, and higher than carbon nanotube, resistivity is about 10-6 Ω cm, than copper or silver lower, be the material that at present in the world resistivity is minimum.Because its resistivity is extremely low, the speed of electronic migration is exceedingly fast, and is therefore expected to can be used to develop thinner, conduction speed electronic component of new generation or transistor faster.Because Graphene is in fact a kind of transparent, good conductor, be also applicable to for manufacturing transparent touch screen, tabula rasa or even solar cell.In recent years, a lot of scientist is devoted to explore the approach preparing single-layer graphene, especially will prepare high quality, productive rate is high, cost is low, the method for constitutionally stable Graphene.
At present, the method preparing Graphene mainly contains following several: 1. stripping method, comprises micromechanics stripping method and solvent stripping method etc.; 2. growth method, comprises crystal epitaxy, epitaxy method, chemical vapour deposition etc.; 3. redox graphite method, comprises conventional Hummers method, Standenmaier method and Brodie method etc.; 4. arc discharge method, graphite layers chemicals approach method, quench hot method and carbon nanotube strip off method etc. are also had.Wherein redox graphite method has simply and the technique of diversification, is the conventional method preparing Graphene.Be suitable only for laboratory on a small quantity for the preparation of research, a large amount of preparation easily produces a large amount of spent acid, waste water etc. and causes environmental pollution.In addition, chemical vapour deposition technique apparatus expensive, complex process.At present, the preparation method of Graphene does not have the breakthrough of essence.
The present invention relates to a kind of electrical heater preparing Graphene, this device simple operations, cheap, be easy to promote to university and research institution.
Summary of the invention
The technical problem that the present invention will solve overcomes the deficiencies in the prior art, provides a kind of electric heating furnace device preparing Graphene, comprises airing system, exhaust system, heating system, body of heater sliding system and depositing system.
Described airing system, supply gas comprises methane, hydrogen and nitrogen, and inlet mouth continues air inlet or pulsed air inlet.The heating system of described device produces thermal source by ressitance spiral by drawing wire external source.
Described exhaust system is vacuum pump, is provided with magnetic valve between vacuum pump and sediment chamber.
Described heating system produces annular-heating by ressitance spiral by drawing wire external source.
Described depositing system is the silica tube of both ends open, realizes closed environment by heated sealant plug.
Described sliding system supports silica tube and heating system by two parallel metal slip pipes or angle steel as slide rail and support.
In described process furnace, solid support material is platinum, iridium, copper, nickel metallic substance, or is coated with the filamentary material of platinum, iridium, copper, nickel film.
Present invention also offers a kind of working method preparing Graphene, comprise the steps:
(1) silica tube is through heating system, and put into base material in centre, two ends add sealing plug;
(2) annular heat source is shifted onto heating in the middle of silica tube;
(3) gases such as methane are passed into;
(4), after deposition terminates, annular-heating source is pushed open by slide rail;
(5) liquid nitrogen gasification gas is passed into.
The present invention compared with prior art, has the following advantages:
(1) installation cost is low;
(2) depositing operation of this device is simple to operate;
(3) deposition effect of this device is better;
(4) this device is easily applied to colleges and universities and research institution.
Accompanying drawing explanation
Fig. 1 is a kind of electrical heater schematic diagram preparing Graphene;
10 worktable; 20 slide bars; 30 supports; 40 silica tubes; 50 nichrome wire; 60 sealing plugs; 70 carriers; 80 air valves; 90 methane; 100 hydrogen; 110 nitrogen; 120 gas blowers; 130 mechanical pumps; 140 temperature thermocouples.
Embodiment
Below in conjunction with specific embodiment, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims and limited.
Embodiment 1
With reference to the accompanying drawings shown in 1, the high quality silica tube selecting 1m long is as cvd furnace, and iridium sheet is solid support material, is of a size of 10mm × 10mm × 0.5mm.Before Graphene preparation, keep vacuum in silica tube.Power-on, resistive heater, Heating temperature to 950 DEG C, keeps constant temperature; Then intake valve is opened, put into methane and hydrogen, its flow is respectively 100ml/min and 50ml/min, after insulation 10min, close methane and hydrogen, open nitrogen fast cooling body of heater heating position, quick travel slide rail makes heating position cool fast to liquid nitrogen spray machine place simultaneously, on platinized platinum, finally obtain the single-layer graphene of high-quality.
Above are only single embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading the scope of protection of the invention.In every case be the content not departing from technical solution of the present invention, any type of simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. prepare an electrical heater for Graphene, it is characterized in that: described electrical heater comprises airing system, exhaust system, heating system, body of heater sliding system and depositing system.
2. electrical heater according to claim 1, is characterized in that, the supply gas of described airing system comprises methane, hydrogen and nitrogen, and inlet mouth continues air inlet or pulsed air inlet.
3. electrical heater according to claim 1, is characterized in that, described exhaust system is vacuum pump, is provided with magnetic valve between vacuum pump and sediment chamber.
4. electrical heater according to claim 1, is characterized in that, described heating system produces annular-heating by ressitance spiral by drawing wire external source.
5. electrical heater according to claim 1, is characterized in that, described depositing system is the silica tube of both ends open, realizes closed environment by heated sealant plug.
6. electrical heater according to claim 1, is characterized in that, described sliding system is made up of two parallel metal slip pipes and angle bar frame, and sliding system plays the effect supporting silica tube and heating system simultaneously.
7. electrical heater according to claim 1, is characterized in that, the solid support material in electrical heater is the one in platinum, iridium, copper, nickel metallic substance, or is coated with the one in the filamentary material of platinum, iridium, copper, nickel film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410814339.5A CN104528702A (en) | 2014-12-22 | 2014-12-22 | Electric heating furnace for preparing graphene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410814339.5A CN104528702A (en) | 2014-12-22 | 2014-12-22 | Electric heating furnace for preparing graphene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104528702A true CN104528702A (en) | 2015-04-22 |
Family
ID=52844397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410814339.5A Pending CN104528702A (en) | 2014-12-22 | 2014-12-22 | Electric heating furnace for preparing graphene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104528702A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517163A (en) * | 2016-09-27 | 2017-03-22 | 无锡格菲电子薄膜科技有限公司 | Cold wall furnace for preparation of graphene through CVD method and continuous production method |
| CN107021479A (en) * | 2017-05-25 | 2017-08-08 | 宜昌星锐烯碳科技有限责任公司 | High temperature puffing device is used in a kind of high heat conduction natural stone ink film production |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202705048U (en) * | 2012-07-27 | 2013-01-30 | 吴江市华诚电子有限公司 | Continuous graphene production device |
| CN202913056U (en) * | 2012-09-28 | 2013-05-01 | 厦门烯成新材料科技有限公司 | Chemical vapor deposition device for preparing graphene membrane |
| CN103276372A (en) * | 2013-06-03 | 2013-09-04 | 重庆绿色智能技术研究院 | Preparation method of graphene and preparation method thereof |
-
2014
- 2014-12-22 CN CN201410814339.5A patent/CN104528702A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202705048U (en) * | 2012-07-27 | 2013-01-30 | 吴江市华诚电子有限公司 | Continuous graphene production device |
| CN202913056U (en) * | 2012-09-28 | 2013-05-01 | 厦门烯成新材料科技有限公司 | Chemical vapor deposition device for preparing graphene membrane |
| CN103276372A (en) * | 2013-06-03 | 2013-09-04 | 重庆绿色智能技术研究院 | Preparation method of graphene and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517163A (en) * | 2016-09-27 | 2017-03-22 | 无锡格菲电子薄膜科技有限公司 | Cold wall furnace for preparation of graphene through CVD method and continuous production method |
| CN106517163B (en) * | 2016-09-27 | 2019-04-30 | 无锡格菲电子薄膜科技有限公司 | A kind of cold hearth and continuous producing method preparing graphene for CVD method |
| CN107021479A (en) * | 2017-05-25 | 2017-08-08 | 宜昌星锐烯碳科技有限责任公司 | High temperature puffing device is used in a kind of high heat conduction natural stone ink film production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cheong et al. | Transparent film heaters with highly enhanced thermal efficiency using silver nanowires and metal/metal-oxide blankets | |
| CN104532206A (en) | Preparation method of graphene doped film growing on insulating substrate in in-situ growth mode | |
| CN103276372B (en) | The Preparation equipment of Graphene and preparation method | |
| Li et al. | Flexible transparent heaters based on silver nanotrough meshes | |
| CN105319242A (en) | Application of tungsten oxide-vanadium oxide heterojunction nanowire array as gas sensitive material | |
| CN105152162B (en) | The batch large area preparation method of two-dimensional material film | |
| CN103474243B (en) | Based on the DSSC of nanometer nickel sulfide sheet to electrode preparation method | |
| CN103214274B (en) | Graphene-supported porous ceramics electro-conductive material and preparation method thereof | |
| CN105023629B (en) | Graphene-copper nano wire composite film and preparation method | |
| CN104528702A (en) | Electric heating furnace for preparing graphene | |
| CN105734524B (en) | Metallo-Organic Chemical Vapor precipitation equipment and the method for using the device | |
| CN107768522A (en) | A kind of perovskite thin film solar cell using graphene as conductive material and preparation method thereof | |
| CN207416165U (en) | A kind of graphene fever diaphragm | |
| CN107545958A (en) | A kind of method and its device for reducing carbon-based conductive membrane volume resistivity | |
| CN102502604A (en) | Preparation method of multifunctional graphene tube | |
| CN104979038B (en) | Topological insulator/graphene composite and flexible transparent conductive film and preparation method and application | |
| CN103350992A (en) | Preparation method of high conductive fluorinated graphene film | |
| CN203922732U (en) | A kind of silica tube pipe plug | |
| CN203346470U (en) | High-temperature chemical vapor deposition device for preparing TiC coating by hot wire method | |
| CN103641110B (en) | A kind of method utilizing induction heating to prepare Graphene | |
| CN105541405A (en) | Method for uniformly depositing SiC coating on surface of carbon material in graphite heater heating furnace | |
| CN104495816A (en) | Fixture and method for preparing graphene by non-metal substrate intercalation-type nitrogen doping | |
| CN105510400A (en) | Hydrogen sensor based on carbon nanotube-palladium composite film | |
| CN105140117A (en) | Annealing method capable of stably improving photoelectric property of graphene | |
| CN206188393U (en) | Special preparation stove of three -dimensional structure powder material of graphite alkene |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150422 |