CN103482614A - Preparation method of graphene-ZnO nanoparticle composite material - Google Patents
Preparation method of graphene-ZnO nanoparticle composite material Download PDFInfo
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Abstract
The invention discloses a preparation method of a graphene-ZnO nanoparticle composite material. The preparation method comprises the following steps: step 1): dissolving raw materials, namely graphene oxide and zinc salt, in water according to a certain mass ratio and uniformly mixing; step 2): separating the graphene oxide from the well mixed liquid, obtained in the step 1, by centrifugation or suction filtration and washing with water or alcohol; and step 3) performing heat treatment on the product, obtained in the step 2, in air or oxygen to get the graphene-ZnO nanoparticle composite material, wherein the zinc salt is one of zinc fluoride, zinc chloride, zinc bromide, zinc sulfate, zinc nitrate, zinc acetate and zinc phosphate, the heat treatment temperature is 150-1000 DEG C, and the heat treatment time is 5s-10h. The preparation method disclosed by the invention is simple, green and environment-friendly, and can effectively reduce the use of chemical reagents.
Description
Technical field
The present invention relates to nano material and manufacture field, particularly relate to the preparation method of a kind of Graphene-ZnO nano particulate composite.
Background technology
Graphene is a kind of carbon material with bi-dimensional cellular shape structure formed by the monolayer carbon atomic arrangement, has good mechanical property, electric property.Simultaneously, Graphene has high specific surface area, can be used as the solid support material of nano material.
ZnO nano material has good optical correlation character, at aspects such as electrode of solar battery material, lithium ion battery electrode materials, has broad application prospects.Graphene-ZnO nano matrix material can keep the advantageous property of material itself when suppressing the ZnO nano material reunion, therefore is widely studied.At present more about the preparation method of materials, wherein the most frequently used approach is that graphene oxide and zinc solution are mixed, add appropriate bases to form graphene oxide-zinc hydroxide structure, then by methods such as Hydrothermal Synthesis or microwave heatings, obtain Graphene-zinc oxide nanometer composite material.From current disclosed preparation method, existing complex process, can not meet large batch of preparation demand, and 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 nano particulate composite, simplify preparation technology, optimize ZnO nano particle grain-size, the invention provides the preparation method of a kind of Graphene-ZnO nano particulate composite, two kinds of reagent of aerobic functionalized graphene and zinc salt only, without other chemical reagent, simplified technique and reduced production cost, to obtain the ZnO nano particle size less.
The present invention is by the following technical solutions: the preparation method of a kind of Graphene-ZnO nano particulate composite, separated, clean after mixing feed oxygen functionalized graphene and zinc salt are soluble in water; The product obtained is obtained to Graphene-ZnO nano particulate composite in air or oxygen after thermal treatment.
Described zinc salt is any in zinc fluoride, zinc chloride, zinc bromide, zinc sulfate, zinc nitrate, zinc acetate and zinc phosphate.
Heat treated temperature is at 150-1000 degree centigrade.
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, and environmental protection has reduced ZnO nano particle grain-size simultaneously.
The accompanying drawing explanation
Fig. 1 is the transmission electron microscope figure of the Graphene that obtains of the embodiment of the present invention 1-ZnO particulate composite;
Embodiment:
Below in conjunction with embodiment and accompanying drawing, the present invention is done further and explains.According to following embodiment, can better understand the present invention.Yet the described concrete material proportion of embodiment, processing condition and result thereof be only for the present invention is described, and should can not limit the present invention described in detail in claims yet.
Embodiment 1
Ratio by feed oxygen functionalized graphene and zinc chloride according to mass ratio 1:1 is dissolved in deionized water, by carrying out centrifugation after ultrasonic mixing and cleaning up;
The product that obtains, air heating to 1000 degree centigrade thermal treatment 5 seconds, is taken out and obtains Graphene-ZnO nano particulate composite after the product cool to room temperature.
Product is carried out to the transmission electron microscope sign, and as shown in Figure 1, visible ZnO nano particle is attached to the Graphene surface to result, and the ZnO particle size is less than 10 nanometers.
Embodiment 2
Ratio by feed oxygen functionalized graphene and zinc sulfate according to mass ratio 10:1 is dissolved in deionized water, by carrying out filtering separation after being uniformly mixed and cleaning up;
The product obtained is heated to 150 degrees centigrade of thermal treatments 10 hours in oxygen atmosphere, after the product cool to room temperature, takes out and obtain Graphene-ZnO nano particulate composite.
Acquired results is similar to Example 1.
Embodiment 3
Ratio by feed oxygen functionalized graphene and zinc phosphate according to mass ratio 1:10 is dissolved in deionized water, by carrying out centrifugation after being uniformly mixed and cleaning up;
The product obtained is heated to 500 degrees centigrade of thermal treatments 2 hours in air, after the product cool to room temperature, takes out and obtain Graphene-ZnO nano particulate composite.
Acquired results is similar to Example 1.
Claims (5)
1. the preparation method of Graphene-ZnO nano particulate composite, is characterized in that, separated, cleans after mixing feed oxygen functionalized graphene and zinc salt are soluble in water; The product obtained is obtained to Graphene-ZnO nano particulate composite in air or oxygen after thermal treatment.
2. the preparation method of Graphene according to claim 1-ZnO nano particulate composite, is characterized in that, described zinc salt is any in zinc fluoride, zinc chloride, zinc bromide, zinc sulfate, zinc nitrate, zinc acetate and zinc phosphate.
3. the preparation method of Graphene according to claim 1-ZnO nano particulate composite, is characterized in that, heat treated temperature is at 150-1000 degree centigrade.
4. the preparation method of Graphene according to claim 1-ZnO nano particulate composite, is characterized in that, the heat treated time was at 5 seconds-10 hours.
5. the preparation method of Graphene according to claim 1-ZnO nano particulate composite, is characterized in that, the mass ratio of described graphene oxide and zinc salt is 1:10-100:1.
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Cited By (8)
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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 |
| CN104591233A (en) * | 2014-12-25 | 2015-05-06 | 武汉工程大学 | Magnesium oxide nanocrystalline coated graphene composite material and preparation method thereof |
| CN104986755A (en) * | 2015-06-15 | 2015-10-21 | 江苏大学 | Preparing method and application of sulfur impurity graphene/zinc oxide nanocomposite |
| CN107324325A (en) * | 2017-07-20 | 2017-11-07 | 山西晋尤特环境科技有限公司 | A kind of preparation method of graphene composite material |
| CN108627554A (en) * | 2018-05-09 | 2018-10-09 | 东莞理工学院 | Glucose sensor modified electrode 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 |
| CN109227791A (en) * | 2018-08-31 | 2019-01-18 | 徐培培 | A kind of waterproof pluwood |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104591233A (en) * | 2014-12-25 | 2015-05-06 | 武汉工程大学 | Magnesium oxide nanocrystalline coated graphene composite material and preparation method thereof |
| CN104986755A (en) * | 2015-06-15 | 2015-10-21 | 江苏大学 | Preparing method and application of sulfur impurity graphene/zinc oxide nanocomposite |
| CN107324325A (en) * | 2017-07-20 | 2017-11-07 | 山西晋尤特环境科技有限公司 | A kind of preparation method of graphene composite material |
| CN108627554A (en) * | 2018-05-09 | 2018-10-09 | 东莞理工学院 | Glucose sensor modified electrode 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 |
| CN109227791A (en) * | 2018-08-31 | 2019-01-18 | 徐培培 | A kind of waterproof pluwood |
| 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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