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Dispersion of graphene in ethanol using a simple solvent exchange method
Xiaoyan Zhang1, Anthony C Coleman, Nathalie Katsonis
1Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
Chemical Communications (Cambridge, England)
|September 18, 2010
Summary
Graphene was dispersed in ethanol using a solvent exchange method from N-methyl-2-pyrrolidone (NMP). This technique allows for wider applications of graphene in various fields.
Area of Science:
- Materials Science
- Nanotechnology
- Chemistry
Background:
- Graphene exhibits unique properties but its practical application is often limited by poor dispersibility in common solvents.
- N-methyl-2-pyrrolidone (NMP) is an effective solvent for graphene, but its use can be restricted due to environmental and health concerns.
Purpose of the Study:
- To develop a method for dispersing graphene in ethanol, a more widely applicable and safer solvent.
- To overcome the limitations of using NMP for graphene dispersion.
Main Methods:
- Solvent exchange technique was employed, transferring graphene from NMP to ethanol.
- Characterization of the graphene dispersion in ethanol was performed.
Main Results:
- Stable and uniform dispersions of graphene in ethanol were successfully achieved.
- The solvent exchange process effectively removed residual NMP.
Conclusions:
- The solvent exchange method provides a viable route for preparing graphene dispersions in ethanol.
- This approach broadens the potential applications of graphene in areas requiring ethanol-based formulations.
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Ethers can be prepared from organic compounds by various methods. Some of them are discussed below,
Preparation of Ethers by Alcohol Dehydration
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