CN105016334A - Method for reducing graphene oxide through alkylated cyclodextrin - Google Patents
Method for reducing graphene oxide through alkylated cyclodextrin Download PDFInfo
- Publication number
- CN105016334A CN105016334A CN201510517542.0A CN201510517542A CN105016334A CN 105016334 A CN105016334 A CN 105016334A CN 201510517542 A CN201510517542 A CN 201510517542A CN 105016334 A CN105016334 A CN 105016334A
- Authority
- CN
- China
- Prior art keywords
- graphene
- alkylated cyclodextrin
- graphene oxide
- solution
- cyclodextrin
- 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
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a method for reducing graphene oxide through alkylated cyclodextrin. The method comprises steps as follows: an alkylated cyclodextrin aqueous solution with the mass percent of 0.1%-10% and 0.01-1 g/L of a graphene oxide solution are mixed in a volume ratio being (100:1)-(1:1), the mixture has a hydrothermal reaction for 1-24 h at the temperature of 180-220 DEG C, and a graphene solution is obtained; the graphene solution is repeatedly washed with ethanol and deionized water, is configured and dried, and graphene powder is obtained. According to the method for reducing graphene oxide through alkylated cyclodextrin, alkylated cyclodextrin is adopted as a reducing agent, the graphene is prepared through the hydrothermal reaction under the condition of no addition of any stabilizing agent and dispersing agent, environmental protection is realized, the cost is low, the process is simple, and the prepared graphene has good dispersibility and stability.
Description
Technical field
The invention belongs to synthesis and the technical field of nano material of Graphene, particularly a kind of method of alkylated cyclodextrin redox graphene.
Background technology
2004, Univ Manchester UK physicist An Deliehaimu and Constantine Nuo Woxiaoluofu, utilize the method for tearing scotch tape, from graphite, successfully isolate the Graphene of individual layer atomic arrangement, therefore two people also obtain the Nobel Prize in physics (Science of 2010,2004,306 (5696): 666-669).Graphene by carbon atom with sp
2hybridized orbital composition hexangle type honeycomb lattice, its structural unit is carbon six-ring, and it is a kind of two-dimensional material only having monolayer carbon atomic thickness.Graphene is the basic system unit forming carbon-based material.It can be wrapped to form zero dimension Fullerenes, is rolled into one dimension carbon nanotube, is piled into three-dimensional graphite layer by layer.From that day that Graphene finds, Graphene has just become focus and the focus of research, is widely used in fields such as ultracapacitor, transparency electrode, sea water desaltination, photodiode, sensor, Chu Qing, solar cell, support of the catalyst, matrix material, biologic bracket material, bio-imaging, drug conveying, weaving, printing and dyeing.
Graphene has excellent machinery, electricity, thermal property, anti-microbial property.Graphene is material the thinnest in the world, and it only has the thickness of individual layer atom, is about 0.335nm.Graphene is almost completely transparent, and only absorb the light of 2.3%, transmittance is up to 97.7%.Resistivity 10
-6Ω/cm, than copper or silver lower, be the material that at present resistivity is minimum in the world.Graphene has great specific surface area, and its theoretical value is up to 2630m
2/ g.Thermal conductivity is up to 5300W/mK, and under normal temperature, electronic mobility is more than 15000cm
2/ Vs, than carbon nanotube and silicon single crystal high.Young's modulus is 1.1TPa, and breaking tenacity is up to 130GPa.
The preparation method of Graphene mainly contains: micromechanics stripping method, seal cut transfer printing, liquid phase stripping method, chemical Vapor deposition process, aerosol high-temperature decomposition, epitaxial growth method, decolorizing carbon compound film conversion method, graphene oxide (GO) reduction method and organic synthesis method etc.Wherein GO reduction method has the features such as cost is low, productive rate is high and can be mass, and is used widely.Reductive agent conventional at present comprises hydrazine hydrate, dimethylhydrazine, phenols, sodium borohydride, sulfocompound, alcohols etc. (charcoal element technology, 2013,32 (5): 30-36).But because GO reduction method often uses the poisonous or expensive reagent such as hydrazine or sodium borohydride as reductive agent, therefore developing green, environmental protection, efficient and cheap chemical reduction technology are very necessary.
Summary of the invention
The present invention is directed to the deficiency that prior art exists, a kind of method of alkylated cyclodextrin redox graphene is provided.
The present invention is achieved by following technical proposals:
According to the volume ratio of 100:1-1:1, the alkylated cyclodextrin aqueous solution of mass percent 0.01%-10% is mixed with the graphene oxide solution of 0.01-1g/L, hydro-thermal reaction 1-24h at the temperature of 180-220 DEG C, obtain graphene solution, repeatedly clean with ethanol and deionized water, centrifugal, obtain graphene powder after drying treatment.
Preferably, described cyclodextrin contains the cyclic oligosaccharide of 6-12 D-glucopyranose units.
Preferably, the molecule outside surface of described alkylated cyclodextrin connects at least one chain alkyl C
3-C
20.
Preferably, graphene oxide is obtained through ultrasonic delamination by graphite oxide, is single-layer graphene oxide, multilayer graphene oxide or the mixture of the two.
Advantage of the present invention:
The present invention adopts the alkylated cyclodextrin of environmental protection as reductive agent, method by hydro-thermal reaction under the condition of not adding any stablizer, dispersion agent prepares Graphene, environmental protection, with low cost, technique are simple, and the Graphene prepared has good dispersiveness and stability.
Embodiment
Below in conjunction with embodiment, set forth the present invention further.
Embodiment 1:
Own for the 2-0-of 80ml mass percent 0.5% group-beta-cyclodextrin is mixed with the graphene oxide solution of the 0.1g/L of 2ml, hydro-thermal reaction 10h at the temperature of 180 DEG C, obtains graphene solution, repeatedly cleans with ethanol and deionized water, centrifugal, obtain graphene powder after drying treatment.
Embodiment 2:
The 2-0-of 40ml mass percent 1% pentadecyl-alpha-cylodextrin aqueous solution is mixed with the 0.05g/L graphene oxide solution of 2ml, hydro-thermal reaction 12h at the temperature of 200 DEG C, obtains graphene solution, repeatedly cleans with ethanol and deionized water, centrifugal, obtain graphene powder after drying treatment.
Embodiment 3:
By 2 of 10ml mass percent 5%, 6-bis--0-amyl group-γ-cyclodextrin aqueous solution mixes with the graphene oxide solution of the 0.5g/L of 5ml, hydro-thermal reaction 24h at the temperature of 220 DEG C, obtain graphene solution, repeatedly clean with ethanol and deionized water, centrifugal, obtain graphene powder after drying treatment.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all embodiments.Every belong to technical scheme of the present invention the apparent change of amplifying out or variation be still in the row of protection scope of the present invention.
Claims (5)
1. the method for an alkylated cyclodextrin redox graphene, it is characterized in that: according to certain volume ratio, the alkylated cyclodextrin aqueous solution of mass percent 0.1%-10% is mixed with the graphene oxide solution of 0.01-1g/L, hydro-thermal reaction 1-24h at the temperature of 180-220 DEG C, obtain graphene solution, repeatedly clean with ethanol and deionized water, centrifugal, obtain graphene powder after drying treatment.
2. the method for a kind of alkylated cyclodextrin redox graphene according to claim 1, is characterized in that, described volume ratio is 100:1-1:1.
3. the method for a kind of alkylated cyclodextrin redox graphene according to claim 1, is characterized in that: described cyclodextrin contains the cyclic oligosaccharide of 6-12 D-glucopyranose units.
4. the method for a kind of alkylated cyclodextrin redox graphene according to claim 1, is characterized in that: the molecule outside surface of described alkylated cyclodextrin connects at least one chain alkyl C
3-C
20.
5. the method for a kind of alkylated cyclodextrin redox graphene according to claim 1, it is characterized in that, described graphene oxide is obtained through ultrasonic delamination by graphite oxide, is single-layer graphene oxide, multilayer graphene oxide or the mixture of the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510517542.0A CN105016334A (en) | 2015-08-22 | 2015-08-22 | Method for reducing graphene oxide through alkylated cyclodextrin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510517542.0A CN105016334A (en) | 2015-08-22 | 2015-08-22 | Method for reducing graphene oxide through alkylated cyclodextrin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105016334A true CN105016334A (en) | 2015-11-04 |
Family
ID=54406716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510517542.0A Pending CN105016334A (en) | 2015-08-22 | 2015-08-22 | Method for reducing graphene oxide through alkylated cyclodextrin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105016334A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183557A (en) * | 2011-01-22 | 2011-09-14 | 青岛大学 | Preparation method of cyclodextrin functionalized graphene |
| WO2014183243A1 (en) * | 2013-05-14 | 2014-11-20 | 中国科学院福建物质结构研究所 | Method for preparing graphene material and use thereof in chemical energy storage and/or conversion |
| US20150045311A1 (en) * | 2012-02-28 | 2015-02-12 | Cydex Pharmaceuticals Inc. | Alkylated cyclodextrin compositions and processes for preparing and using the same |
-
2015
- 2015-08-22 CN CN201510517542.0A patent/CN105016334A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183557A (en) * | 2011-01-22 | 2011-09-14 | 青岛大学 | Preparation method of cyclodextrin functionalized graphene |
| US20150045311A1 (en) * | 2012-02-28 | 2015-02-12 | Cydex Pharmaceuticals Inc. | Alkylated cyclodextrin compositions and processes for preparing and using the same |
| WO2014183243A1 (en) * | 2013-05-14 | 2014-11-20 | 中国科学院福建物质结构研究所 | Method for preparing graphene material and use thereof in chemical energy storage and/or conversion |
Non-Patent Citations (1)
| Title |
|---|
| 于金海: "石墨烯的非共价功能化修饰及载药系统研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wu et al. | Carbon counter electrodes in dye‐sensitized and perovskite solar cells | |
| Bai et al. | Performance enhancement of ZnO photocatalyst via synergic effect of surface oxygen defect and graphene hybridization | |
| Zhang et al. | The preparation of reduced graphene oxide-encapsulated α-Fe2O3 hybrid and its outstanding NO2 gas sensing properties at room temperature | |
| Qu et al. | Recyclable visible light-driven Og-C3N4/graphene oxide/N-carbon nanotube membrane for efficient removal of organic pollutants | |
| CN105217607A (en) | A kind of graphene preparation method based on xylogen | |
| Halim et al. | Transparent conductive two-dimensional titanium carbide epitaxial thin films | |
| Fang et al. | MOF-derived In2S3 nanorods for photocatalytic removal of dye and antibiotics | |
| Liu et al. | Nanosheet-structured boron nitride spheres with a versatile adsorption capacity for water cleaning | |
| Peng et al. | Transparent, conductive, and flexible multiwalled carbon nanotube/graphene hybrid electrodes with two three-dimensional microstructures | |
| Li et al. | Comparative study on different carbon nanotube materials in terms of transparent conductive coatings | |
| Van Khai et al. | Influence of N-doping on the structural and photoluminescence properties of graphene oxide films | |
| EP3163640B1 (en) | Method for producing nanomaterial-dopant composition composite and nanomaterial-dopant composition composite | |
| Hu et al. | Role of reactive oxygen species in the photocatalytic degradation of methyl orange and tetracycline by Ag3PO4 polyhedron modified with g-C3N4 | |
| Patil et al. | Recent progress of graphene‐based photoelectrode materials for dye‐sensitized solar cells | |
| CN105036124A (en) | Method for preparing graphene from polysaccharide | |
| CN103723716A (en) | Nitrogen-doped carbon-coated graphene oxide two-dimensional porous composite material and preparation method thereof | |
| CN102070142A (en) | Method for preparing graphene by chemical oxidation reduction | |
| CN103962102A (en) | Fine sand-graphene oxide composite absorbing material | |
| Mokhtar Mohamed et al. | Nitrogen graphene: A new and exciting generation of visible light driven photocatalyst and energy storage application | |
| CN104310390A (en) | Method for preparing graphene from modified chitosan | |
| Gao et al. | Enhanced visible light photocatalytic activity for g-C3N4/SnO2: Sb composites induced by Sb doping | |
| Ndlovu et al. | Current advances in perovskite oxides supported on graphene-based materials as interfacial layers of perovskite solar cells | |
| Hsu et al. | Experimental and theoretical study of improved mesoporous titanium dioxide perovskite solar cell: The impact of modification with graphene oxide | |
| CN105036123A (en) | Preparation method of hemicellulose-based graphene | |
| Rajakumari et al. | Synthesis of eco-friendly graphene from agricultural wastes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| 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: 20151104 |