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Towards Understanding Why a Superhydrophobic Coating Is Needed by Water Striders
Author(s) -
Shi F.,
Niu J.,
Liu J.,
Liu F.,
Wang Z.,
Feng X.Q.,
Zhang X.
Publication year - 2007
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.200700752
Subject(s) - superhydrophobic coating , coating , materials science , drag , nanotechnology , aqueous solution , fluidics , physics , chemistry , mechanics , engineering , organic chemistry , electrical engineering
Gold threads modified with superhydrophobic or normal hydrophobic coatings are used as a model system in the study of the contribution of the superhydrophobic coating of a water strider to its floating and movement on the water surface. After depositing Pt aggregates on one of its ends (see figure), the gold threads are able to move in the H 2 O 2 aqueous solution. The superhydrophobic coating decreases fluidic drag during motion.

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