Bioinspired holographically featured superhydrophobic and supersticky nanostructured materials

Langmuir : the ACS Journal of Surfaces and Colloids
Sung-Gyu ParkSeung-Man Yang

Abstract

In this Letter, we present an intriguing method for fabricating polymeric superhydrophobic surfaces by reactive-ion etching of holographically featured three-dimensional structures. Using the proposed strategy, we generated both lotus and gecko surfaces by simply controlling the incident angle of the laser beam during holographic lithography. The adhesion force of the gecko-state superhydrophobic surfaces was the highest yet reported for an artificial superhydrophobic surface. The well-controlled patterns enable an in-depth understanding of superhydrophobic and superadhesive surfaces. In particular, the present observations provide direct evidence of a high adhesive force resulting from surface-localized wetting, which is quite different from previously suggested mechanisms.

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Citations

Mar 14, 2013·ACS Applied Materials & Interfaces·Guping HeDingshu Xiao
Dec 8, 2011·Nanoscale Research Letters·Jiseok KimWoo Soo Kim
May 8, 2013·Journal of Colloid and Interface Science·Elena CeliaFrédéric Guittard
Sep 21, 2010·Journal of Colloid and Interface Science·Hongta Yang, Peng Jiang
Jul 19, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Sung-Gyu ParkSeung-Man Yang
Oct 27, 2016·Chemical Society Reviews·Minxuan KuangLei Jiang
Jul 20, 2017·ACS Applied Materials & Interfaces·Chien-Fu ChiuHongta Yang
Mar 7, 2012·Nanoscale·Nan Gao, Yuying Yan
Mar 20, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Sung-Gyu ParkSeung-Man Yang
Jul 14, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Hongta Yang, Peng Jiang
Aug 8, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Yancheng WangDeqing Mei

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