Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117542.
Langmuir. 2011 Apr 5;27(7):3224-8. doi: 10.1021/la104709d. Epub 2011 Mar 3.
Tuning the adhesive force on a superhydrophobic MnO(2) nanostructured film was achieved by fabricating different patterns including meshlike, ball cactus-like, and tilted nanorod structures. The marvelous modulation range of the adhesive forces from 130 to nearly 0 μN endows these superhydrophobic surfaces with extraordinarily different dynamic properties of water droplets. This pattern-dependent adhesive property is attributed to the kinetic barrier difference resulting from the different continuity of the three-interface contact line. This finding will provide the general strategies for the adhesion adjustment on superhydrophobic surfaces.
通过制备不同的图案，包括网状、球状仙人掌状和倾斜纳米棒结构，实现了对超疏水 MnO(2)纳米结构薄膜粘附力的调节。粘附力的奇妙调节范围从 130 到近 0 μN，使这些超疏水表面具有截然不同的水滴动力学特性。这种图案依赖的粘附特性归因于三个界面接触线的不同连续性导致的动力学势垒差异。这一发现将为超疏水表面的粘附调整提供通用策略。
