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Wetting Behavior at Micro‐/Nanoscales: Direct Imaging of a Microscopic Water/Air/Solid Three‐Phase Interface
Author(s) -
Chen Peipei,
Chen Long,
Han Dong,
Zhai Jin,
Zheng Yongmei,
Jiang Lei
Publication year - 2009
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200801152
Subject(s) - wetting , lotus effect , nanotechnology , materials science , interface (matter) , nanoscopic scale , phase (matter) , phase transition , phase imaging , contact angle , optics , chemistry , composite material , physics , condensed matter physics , microscopy , raw material , organic chemistry , sessile drop technique
Direct imaging of water/air/solid interfaces : A “droplet‐inside‐view” method based on MAC‐mode AFM and force–volume function is introduced to directly characterize the microscopic details of a three‐phase interface. Researches of the Cassie state, the quasi‐Wenzel state, and the transition of the two states for lotus leaves show (see image) that microscopic wetting behavior dominates the macroscopic wettability of micro‐/nanoscale interfaces.