Journal
LANGMUIR
Volume 26, Issue 6, Pages 3993-3997Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la903392n
Keywords
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Funding
- Major State Basic Research Development Program [2007-CB936403]
- National Nature Science Foundation of China [20571077]
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Switching of wettability is achieved in stiff, which is a challenge of materials science. Generally, changing liquid droplet is required to ex situ study the wettability response before and after the surface given a treatment, in the sense that the liquid impregnation in the surface structures is irreversible. Herein, an fit situ wettability switch is achieved by utilizing the same liquid droplet to characterize the dynamic wettability when the conducting polymer is being stimulated. The oil droplet is facilitated to escape from the nanoscale traps through electrochemically tuning surface composition and surface micro/nanostructures, permitting a reversible and rapid transition between partly wetting and superantiwetting state. This in situ switch is promising for integration into a microfluidic system for the control of the liquid droplet's motion.
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