CN103482614B - A kind of preparation method of graphene-ZnO nanoparticle composite material - Google Patents
A kind of preparation method of graphene-ZnO nanoparticle composite material Download PDFInfo
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- CN103482614B CN103482614B CN201310406552.8A CN201310406552A CN103482614B CN 103482614 B CN103482614 B CN 103482614B CN 201310406552 A CN201310406552 A CN 201310406552A CN 103482614 B CN103482614 B CN 103482614B
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Abstract
The present invention discloses a kind of preparation method of graphene-ZnO nanoparticle composite material, comprises the following steps: step one, material oxidation Graphene and zinc salt is mixed than soluble in water by certain mass; Step 2, graphene oxide to be separated by centrifugal or suction filtration by the liquid mixed in step one, and with water or alcohol washes clean; Step 3, the product obtained in step 2 to be heat-treated in air or oxygen, obtain graphene-ZnO nanoparticle composite material, wherein said zinc salt is the one in zinc fluoride, zinc chloride, zinc bromide, zinc sulfate, zinc nitrate, zinc acetate and zinc phosphate, described thermal treatment temp is at 150-1000 degree Celsius, and heat treatment time was at 5 seconds-10 hours.The present invention prepares simply, effectively reduces the use of chemical reagent, environmental protection.
Description
Technical field
The present invention relates to nano material and manufacture field, particularly relate to a kind of preparation method of graphene-ZnO nanoparticle composite material.
Background technology
Graphene is by a kind of carbon material with bi-dimensional cellular shape structure of monolayer carbon atomic arrangement, has excellent mechanical property, electric property.Meanwhile, Graphene has high specific surface area, can as the solid support material of nano material.
ZnO nano material has good optical correlation character, has broad application prospects in electrode of solar battery material, lithium ion battery electrode material etc.Graphene-ZnO nano matrix material while suppression ZnO nano material is reunited, can keep the advantageous property of material itself, is therefore widely studied.More about the preparation method of this type of material at present, wherein the most frequently used approach is by graphene oxide and zinc solution mixing, add appropriate bases and form graphene oxide-zinc hydroxide structure, then obtain Graphene-zinc oxide nanometer composite material by the method such as Hydrothermal Synthesis or microwave heating.From current disclosed preparation method, existing complex process, can not meet large batch of preparation demand, product energy consumption is higher, and in addition, the ZnO nano particle size obtained is larger.
Summary of the invention
In order to reduce the preparation cost of graphene-ZnO nanoparticle composite material, simplify preparation technology, optimize ZnO nano grain size, the invention provides a kind of preparation method of graphene-ZnO nanoparticle composite material, only aerobic functionalized graphene and zinc salt two kinds of reagent, without the need to other chemical reagent, simplify technique and reduce production cost, to obtain ZnO nano particle size less.
The present invention is by the following technical solutions: a kind of preparation method of graphene-ZnO nanoparticle composite material, will carry out after soluble in water to material oxidation Graphene and zinc salt mixing being separated, cleaning; The product obtained is obtained graphene-ZnO nanoparticle composite material after thermal treatment in air or oxygen.
Described zinc salt is any one in zinc fluoride, zinc chloride, zinc bromide, zinc sulfate, zinc nitrate, zinc acetate and zinc phosphate.
Heat treated temperature is at 150-1000 degree Celsius.
The heat treated time was at 5 seconds-10 hours.
The mass ratio of described graphene oxide and zinc salt is 1:10-100:1.
Beneficial effect of the present invention: the inventive method is simple, does not need other chemical reagent, environmental protection, reduces ZnO nano grain size simultaneously.
Accompanying drawing explanation
Fig. 1 is the transmission electron microscope figure of Graphene-ZnO particle matrix material that the embodiment of the present invention 1 obtains;
Embodiment:
Below in conjunction with embodiment and accompanying drawing the present invention done and further explain.According to following embodiment, can better understand the present invention.But concrete material proportion, processing condition and result thereof described by embodiment only for illustration of the present invention, and should can not limit the present invention described in detail in claims yet.
Embodiment 1
Material oxidation Graphene and zinc chloride are dissolved in deionized water according to the ratio of mass ratio 1:1, by carrying out centrifugation after ultrasonic mixing and cleaning up;
By the product that obtains in air heating to 1000 degrees Celsius of thermal treatments 5 seconds, take out after product cool to room temperature and obtain graphene-ZnO nanoparticle composite material.
Carry out transmission electron microscope sign to product, as shown in Figure 1, visible ZnO nano particle is attached to graphenic surface to result, and ZnO particle size is less than 10 nanometers.
Embodiment 2
Material oxidation Graphene and zinc sulfate are dissolved in deionized water according to the ratio of mass ratio 10:1, by carrying out filtering separation after being uniformly mixed and cleaning up;
The product obtained is heated in oxygen atmosphere 150 degrees Celsius of thermal treatments 10 hours, takes out after product cool to room temperature and obtain graphene-ZnO nanoparticle composite material.
Acquired results is similar to Example 1.
Embodiment 3
Material oxidation Graphene and zinc phosphate are dissolved in deionized water according to the ratio of mass ratio 1:10, by carrying out centrifugation after being uniformly mixed and cleaning up;
The product obtained is heated in atmosphere 500 degrees Celsius of thermal treatments 2 hours, takes out after product cool to room temperature and obtain graphene-ZnO nanoparticle composite material.
Acquired results is similar to Example 1.
Claims (4)
1. a preparation method for graphene-ZnO nanoparticle composite material, is characterized in that, will carry out after soluble in water to material oxidation Graphene and zinc salt mixing being separated, cleaning; The product obtained is obtained graphene-ZnO nanoparticle composite material after thermal treatment in air or oxygen; Heat treated temperature is at 150-1000 degree Celsius.
2. the preparation method of graphene-ZnO nanoparticle composite material according to claim 1, is characterized in that, described zinc salt is any one in zinc fluoride, zinc chloride, zinc bromide, zinc sulfate, zinc nitrate, zinc acetate and zinc phosphate.
3. the preparation method of graphene-ZnO nanoparticle composite material according to claim 1, is characterized in that, the heat treated time was at 5 seconds-10 hours.
4. the preparation method of graphene-ZnO nanoparticle composite material according to claim 1, is characterized in that, the mass ratio of described graphene oxide and zinc salt is 1:10-100:1.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103734188A (en) * | 2014-01-02 | 2014-04-23 | 上海大学 | Preparation method and applications of zinc oxide-graphene oxide composite nanomaterial |
| CN104076073A (en) * | 2014-07-10 | 2014-10-01 | 南京理工大学 | Short-bar-shaped nano-zinc oxide/graphene compound and preparation method thereof |
| CN104591233B (en) * | 2014-12-25 | 2016-04-13 | 武汉工程大学 | A kind of bitter earth nano brilliant coating graphite alkene matrix material and preparation method thereof |
| CN104986755B (en) * | 2015-06-15 | 2017-04-12 | 江苏大学 | Preparing method and application of sulfur impurity graphene/zinc oxide nanocomposite |
| CN107324325B (en) * | 2017-07-20 | 2019-06-18 | 山西晋尤特环境科技有限公司 | A kind of preparation method of graphene composite material |
| CN108627554B (en) * | 2018-05-09 | 2021-01-12 | 东莞理工学院 | Modified electrode for glucose sensor and preparation method thereof |
| CN108862248A (en) * | 2018-08-06 | 2018-11-23 | 南京工业大学 | A kind of quick macroblock quantization prepares graphene-metal oxide composite powder material method |
| CN109227791B (en) * | 2018-08-31 | 2021-04-02 | 贵港市鼎源木业有限公司 | Waterproof plywood |
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