Experimental study of water-based graphene quantum dot nanofluidic properties

Document Type : Research Paper


School of Chemical Engineering and Technology, Sun Yat sen University,


The increase of new materials to liquids can effectively improve the function conduction capacity of the working liquid. In this paper, graphene quantum dots were prepared by diffusing graphene quantum dots in deionized water using the ultrasonic oscillation method, thus preparing water-based graphene quantum dots nanofluid. Then, by setting deionized water and water-based graphene quantum dot polymer material liquid and magnanimous fractions of 0.070%, 0.140% and 0.420% as different experimental groups, the physical stability, rheological properties, thermodynamic properties, optical properties and corrosion characteristics were investigated with the help of experimental apparatus. In the experimentally selected incorporation range, the transmission flux of the prepared water-based graphene quantum dot suspension samples was 0, and the scattering was also almost constant to 0. The viscosity cornerstone current mursch quantum dot polymer material liquid was essentially the same as that of deionized water when the mass fractions were 0.070% and 0.140%. The water-based graphene quantum dot nanofluid was able to inhibit the corrosion of steel. Adding a small amount of graphene quantum dots to deionized water can significantly improve the power transmission proportion base fluid, with the most increase of about 27.5%. The study of the properties of cornerstone current mursch gion spot polymer material liquid strongly demonstrates its great potential as a new fluid heat transfer workpiece.