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Directional Drop Transport Achieved on High‐Temperature Anisotropic Wetting Surfaces
Author(s) -
Liu Chengcheng,
Ju Jie,
Ma Jie,
Zheng Yongmei,
Jiang Lei
Publication year - 2014
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201401985
Subject(s) - wetting , materials science , anisotropy , drop (telecommunication) , drop impact , composite material , nanotechnology , wetting transition , engineering physics , mechanical engineering , optics , physics , engineering
The surfaces of ambient‐temperature superhydrophilic tilting silicon nanowires (TSNWs) exhibit an anisotropic wetting performance at high temperature and a deposited drop moves directionally on this surface. A vapor film forming beneath the drop after spreading reduces the surface friction and the heat transfer efficiency between the drop and the surface, so the drop moves with a constant speed and little mass loss.