Research progress of biomimetic design and preparation of functional surfaces for droplet transport
Functional surfaces for droplet transport has important applications in green energy,med-ical technology,new materials and other fields,such as fog collection,drug targeted therapy,etc.The surfaces of natural creatures with specific functions of directional transport and fixed-point transfer of droplets provide excellent examples for design and preparation of functional surfaces for droplet trans-port,a large number of novel and flexible bionic research achievements have been arisen.Firstly,the typical surfaces of natural creatures with self-driven functions of droplet transport are summarized and the basic theories of wettability on solid surface are elaborated;then,the biomimetic research progress of functional surfaces for droplet transport based on different self-driven mechanism is reviewed,the mechanism and influencing factors of droplet transport on different functional surfaces are compared and analyzed;furthermore,the current research of the functional surface for directional transport or fixed-point transfer of droplet under the action of external field such as magnetic field,electric field,temperature field and etc.are elaborated and analyzed;finally,the applications and future directions of such biomimetic functional surfaces are summarized and prospected.
droplet transportfunctional surfacebiomimetic design and preparationsurface wettab-ilitystimulus of external field
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