Properties and applications of graphene oxide

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Grapheneoxid is a significant derivative of graphene based materials. Even though graphene oxide’s high-conjugated structure has been destroyed, the process of oxidation preserves some special surface properties as well as a layered structure. The introduction of oxygen-containing groups not only makes the graphene oxide chemically stable, but also provides surface modification active sites and a larger specific surface area for the synthesis of graphene-based/graphene oxide-based materials. The precursor to the production of graphene-based, composite materials is graphene dioxide. It can be functionalized easily and it has excellent controllability. When compounding with metals and metal oxides or high molecular plasticmers it provides a large surface area for dispersion and prevention of agglomeration.
In addition to its excellent physical, chemical and optical properties, grapheneoxid can be controlled through the presence of several oxygen-containing groups at the edges and base of graphene sheet framework. This allows for the control of graphene’s conductivity as well as its band gap. There are many uses for this material. Graphene dioxide is an innovative carbon material that has exceptional properties. The surface of graphene oxide displays a great specific surface and many functional groups. The wide variety of uses for grapheneoxid composite materials (including polymer composite materials) has led to the development of a new research field: surface modification.

1 Optoelectronics
In 2016, Karteri et al. In 2016, Karteri and colleagues studied organic thin film transistors using SiO2/GO double insulation layers. They also investigated their photoresponse character devices. The characteristics of the transistor were also improved by adding GO to the insulating layers.
2 solar cells
Use GO to replace PEDOT:PSS for the hole transport layer in polymer solar cell and achieve the same photoelectric conversion efficiency. Study of the effect of different thicknesses GO on polymer-based solar cells has been done. We found that the device with the greatest photoelectric conversion efficiency has a thickness of GO 2nm.
3 Flexible Sensor
Because GO has many hydrophilic functional classes, modifications are easy. In the area of flexible sensors, GO is a good sensor material due to its high specific surface, excellent dispersion and high humidity sensitivity.
4. Biological aspects
GO is a unique combination of electronic, optical, and mechanical properties that has been used in biotechnology, medical engineering, nanomedicine and tissue engineering. It also plays a significant role in drug release, bioimaging, and biomolecular sense. GO’s specific surface area is larger than other planar or spherical nanomaterials. It can also be easily modified and has a high biocompatibility. GO, its alkene derivatives, and their surface chemistry will also have a significant impact on biological systems. Further research is needed to determine GO’s biosafety. Material science will enable us to use low toxicity materials and improve biocompatibility in order to modify GO. We can prepare GO that is stable, non-toxic, has clear structure and is safe to use as a medical material.

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