Smart surfaces with switchable wettability for both aqueous and non-aqueous drops have aroused much interest because of their potential applications. In this work, a facile approach for the creation of tunable surface wettability on hydroxyl surfaces with rapid switch at ambient temperature is developed. Both surface hydrophobicity and oleophobicity are enhanced after a fluoro-surfactant solution rinse which acts as a stimulus. The reversal of surface wettability can be achieved simply by a rinse of aqueous solution of hexadecyltrimethylammonium bromide. This rapid wettability-switching property may be attributed to surface modification by physisorbed monolayer of fluoro-surfactant. When adopting a simple but effective pretreatment associated with surface roughening and oxidation, an extreme wettability change (between superhydrophilicity and superhydrophobicity) for both water and hexadecane drops can be achieved. This novel route is found to be durable and can be applied to a variety of surface materials including metal, ceramics, and polymer.

具有可切换润湿性的水性和非水性液滴的智能表面因其潜在的应用而引起了人们的极大兴趣。在这项工作中，开发了一种在环境温度下快速切换以在羟基表面上创建可调表面润湿性的简便方法。氟表面活性剂溶液冲洗后，表面的疏水性和疏油性都得到了增强。可以通过漂洗十六烷基三甲基溴化铵的水溶液来简单地实现表面润湿性的逆转。这种快速的润湿性转换特性可以归因于氟表面活性剂的物理吸附单层的表面改性。当采用与表面粗糙和氧化有关的简单但有效的预处理时，可以实现水滴和十六烷滴的极端润湿性变化（超亲水性和超疏水性之间）。发现这种新颖的方法是耐用的，并且可以应用于多种表面材料，包括金属，陶瓷和聚合物。