Preparation and Characterization of Sulfonated Poly ( ether ether ketone)/ Graphite Oxide Composite Membranes 磺化聚醚醚酮/氧化石墨复合膜的制备与表征
Firstly, the preparation and characterization of graphite oxide have been discussed. 首先,本文论述了氧化石墨的制备和表征。
The Studies of Biosensors for Conductive Polymer Intercalated Graphite Oxide Nanocomposite 导电聚合物插层氧化石墨纳米复合材料的生物传感器研究
The changes of compositions, crystal structures and conductivities of pyrolytic graphite oxide ( PGO) heat-treated at different temperatures were investigated by chemical elemental analysis, X-ray diffraction, Fourier transform infrared spectroscopy and conductivity measurement. 通过元素分析、X射线衍射分析、Fourier变换红外光谱仪和粉末电阻率测定探讨了不同热解温度处理的热解氧化石墨的化学组成、晶体结构和电导率随热解温度的变化规律。
Research on the Synthesis and Structure of Graphite Oxide 氧化石墨的合成及其结构研究
The structure of graphite oxide, the preparation and the performance of polymer/ graphite oxide nano-composites were summarized. 氧化石墨(GO)因其独特的结构及特性引起了人们的关注,它与聚合物通过插层复合技术形成的聚合物/氧化石墨纳米复合材料是一种很有发展前景的新型材料。
Synthesis and characterization of polyaniline intercalated graphite oxide composite 聚苯胺嵌入氧化石墨复合物的合成及表征
Preparation of polyaniline-intercalated graphite oxide composite and ITS application in detecting DNA 聚苯胺/氧化石墨的合成及其在DNA识别上的应用
A comparative study on the forming process of exfoliated graphite and graphite oxide prepared from both natural graphite and expandable graphite is accomplished with XRD, FTIR and TG techniques. 本文以天然石墨、可膨胀石墨为原料分别合成了膨胀石墨及氧化石墨,并利用X射线衍射、红外光谱及热分析等手段对其进行结构研究。
Influence of pyrolytic temperature on structures and properties of graphite oxide 热解温度对氧化石墨的结构与导电性能的影响
Preparation and Anticoagulant Property of silicone rubber/ modifiedg graphite oxide nanocomposites 硅橡胶/改性氧化石墨纳米复合材料的合成及其抗凝血性能的研究
Furthermore, the Raman and XPS measurement revealed that the Graphite Oxide ( GO) was reduced because of thioacetamide. 拉曼光谱和X光电子能谱测试表明氧化石墨已被还原成石墨烯,这是由于硫代乙酰胺的还原的结果。
Then, they were dried at 120 ℃ in a vacuum oven for 12 hours. The result shows that the thermal reduction of graphite oxide occurred, which is certified by TGA. 4. 后将其在真空烘箱中在120℃下干燥12小时,发现氧化石墨发生了热还原。通过TGA证实了这一结论。
Using natural graphite as raw material, graphite oxide is prepared by modified Hummers method. Then through ultrasonication graphene oxide is prepared. 以天然石墨为原料,采用改进的Hummers法制备氧化石墨,进而利用超声波剥离法制备氧化石墨烯。
It was found that graphite oxide can be gradually stripped by changing the proportion of Mg/ Al HT with grapheme oxide. 研究发现,氧化石墨不需要预先剥离,可以在制备复合材料的过程中,通过改变Mg/Al水滑石和氧化石墨的比例而逐渐剥离氧化石墨。
Graphite oxide can carry the nucleic acid dye into the cell depending on energy by endocytosis of cells, realizing the detection in vivo. 氧化石墨烯依赖能量,通过由网格蛋白介导的细胞内吞作用,可以携带这种核酸染料进入细胞,实现了在生物体内的检测。
In this paper, graphene and graphene-nano-copper ( Ag) composite materials were prepared by reducing graphite oxide. Their electrochemical hydrogen storage performances were tested. 本文通过氧化石墨还原法制备石墨烯和石墨烯-纳米铜(银)复合材料,测试它们的电化学储氢性能。
Finally, Ni ( OH) 2/ graphene composites were also exploratory studied with graphite oxide as raw materials. 最后探究性研究了以氧化石墨为原料,一步法合成Ni(OH)2/石墨烯复合材料。
Washing step can be omitted during the preparation of graphite oxide, which is barely affected on the graphene morphology and structure. 氧化石墨的制备可以不经过水洗步骤,它对石墨烯形态结构几乎没有影响。
The influences of the heat treatment temperature, the ratio and the species of raw material on the component, structure, electromagnetic properties of graphite oxide were investigated primarily. 本文系统考察了原料种类、配比以及热处理温度对纳米铁氧化物/石墨复合材料的组成、晶体结构和电磁性能的影响。
In this thesis, we obtained reduced graphene ( RGO) by reducing graphite oxide ( GO). Then RGO solids were used as precursors to prepare graphene nanocomposites by different methods, and the electrical properties of the composites were also studied. 本文采用氧化还原法制备出了石墨烯粉末,然后以石墨烯为前驱体,采用不同的方法来制备石墨烯纳米复合材料,对复合材料的电学性能进行了一系列的研究。
The analysis results of XRD, IR and SEM showed that graphite oxide was successfully prepared by modified Hummers and GO platelets in nanoscale were obtained after ultrasonic treatment by AFM analysis. XRD、IR、SEM分析结果表明,采用改性的Hummers法成功制备了氧化石墨;AFM分析表明,经超声处理后得到了尺寸为纳米级的氧化石墨烯片。
Among all the methods for preparation of graphene sheets, the reduction of graphite oxide is widely used because of the low cost and high yield of the production. 在众多的石墨烯的制备方法中,氧化石墨还原法由于具有成本低、产率高等优点而成为一种最具开发潜力的方法。
The diffraction intensity of graphene was much weaker than that of graphite and graphite oxide, may because graphene was exfoliated to monolayer or a few layers and thus formed a new lattice structure. XRD图显示石墨烯的衍射强度相对于石墨和氧化石墨烯来说甚微,说明石墨烯剥落成为单层或者几层结构,从而形成一种新的晶格结构。
In the experiment, we use the method of redox to get graphene. By intercalation and oxidation, we obtain graphite oxide from the natural flake graphite, the graphene oxide is obtained after ultrasonic dispersion. 实验中采用氧化还原的方法对天然鳞片石墨进行插层氧化,超声分散后获得氧化石墨烯。
Malysite absorbed by layers of graphite oxide can insert into the layers of graphite oxide, and ferriferous oxide/ graphite nanocomposites are prepared after the heat treatment. 利用氧化石墨的强吸附性将铁盐吸附到氧化石墨层间,再通过热处理制备纳米铁氧化物/石墨复合材料。
The main points are summarized as follows: The graphene oxide is exfoliated by the ultrasonic from graphite oxide which is synthesized by a chemical method. 研究内容主要有如下几个方面:1.采用化学法合成了氧化石墨,然后经超声剥离制备了氧化石墨烯。
Then graphite oxide is striped into GO by ultrasonic dispersion method, which is used to study the adsorption behavior of Au(ⅲ), Pd ( II) and Pt(ⅳ). 然后,利用超声分散的剥离方法,将氧化石墨剥离成GO,用于研究GO对Au(Ⅲ)、Pd(Ⅱ)和Pt(IV)的吸附行为。
The general method for its preparation is hydrothermal synthesis. This method is complicated and time-consuming. Furthermore, it involved one step of stripping the graphite oxide. 目前这类复合材料的制备大多采用水热合成法,制备方法复杂、耗时,且制备时需要预先剥离氧化石墨。
Even though there are many methods for the preparation of graphene, reduction of graphite oxide ( GO) is accepted as one of the most important methods. 尽管目前有多种方法制备石墨烯,通过氧化石墨(GO)还原来制备graphene的方法被看做是大量制备graphene的重要方法之一。