Abstract
Graphene is having high thermal conductivity which makes it a suitable candidate for heat transfer applications. The main challenge for the utilization of graphene-based nanofluids is an agglomeration of graphene nanosheets. To overcome the agglomeration of graphene, surfactants are used in an aqueous solution. The various surfactants used for the stable dispersion of graphene are reviewed. In addition, the thermophysical and rheological properties of graphene nanofluids are highlighted the physical and chemical techniques are reviewed to stabilize the graphene with the aid of surfactants. The application of an aqueous solution of graphene for heat transfer is highlighted in this review.
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