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Cooling is one of the most important technical challenges faced by numerous industries such as automobiles, electronics and manufacturing. New technological developments tend to increase the thermal load and there by requires faster cooling. The conventional methods in increasing the cooling rate (fins and microchannels) are already stretched to a great extent. The heat exchangers have an important role in its weight and also in the design. Hence, there is a need for fresh and innovative coolants to attain this high-performance cooling. Thermal conductivities of conventional heat transfer fluids, such as engine coolants, lubricants and water are very low.