Innovative and ideal liquid-repellent surfaces developed by Professor Liqiu Wang

With the breakthrough research led by Professor Wang Liqiu at the Department of Mechanical Engineering through the development of a robust liquid-repellent structure and the fabrication of porous surfaces by an innovative microfluidic-droplet-based technique, materials such as textiles, metals, and glasses covered by a layer of this robust porous surface can then become liquid-repellent. The paper was recently published in academic journal Nature Communications (Zhu P. A., Kong T. T., Tang X. and Wang L. Q. 2017. Well-defined porous membranes for robust omniphobic surfaces via microfluidic emulsion templating, Nature Communications 8, 15823). With the new technology developed by the team, clothes would never get wet on rainy days in the future.

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Professor Wang Liqiu (right) and Dr Zhu Pingan from HKU Mechanical Engineering Department showcase the liquid repellent material they innovated.