There are several methods that you can use depending on the materials and the properties that you wanted to achieve. Some of them are as below:
Solution mixing
Sol-gel
Hydrothermal/solvothermal
Self-assembly
Electrochemical deposition (redox reaction)
You can read more on the methods above in this article as well: https://www.tandfonline.com/doi/full/10.1080/22243682.2013.771917
Hi. It is Hummers method .
The steps are :
1. Graphite flakes (2 g) and
2. NaNO3 (2 g) were mixed in 50 mL of H2SO4 (98%) in a 1000 mL volumetric flask
3. kept under at ice bath (0-5°C) with continuous stirring.
Jamil Ahmed Buledi most scientist prefer solvothermal methods with precipitating agents, as it will give much control over the size of nanoparticles.
Graphene nanocomposites are the latest additions to the wonder applications of graphene. One of the promising applications of the graphene-oxide nanocomposites is chemical sensing which is useful for monitoring the toxicity, inflammability, and explosive nature of chemicals. Well known binary oxides like ZnO, TiO2, SnO2, WO3, and CuO when combined with graphene in the form of nanocomposites have excellent potential for detecting trace amounts of hazardous gases and chemicals
o conclude, graphene based nanocomposites have immense potential in the coming decade. Such materials will manifest not only excellent chemical sensitivity with fast response and recovery, but also develop a unique configuration with versatile applications in a combined sensor platform. Last but not least, it is expected that more sophisticated sensing mechanisms will explain the operations of these superior chemical sensor devices.
Thank you so much Dr. Safwan al-qawabah for valuable contribution
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