2009
DOI: 10.1021/la902332q
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Thermal/Plasma-Driven Reversible Wettability Switching of a Bare Gold Film on a Poly(dimethylsiloxane) Surface by Electroless Plating

Abstract: We report an approach for fabricating a tunable wettability surface by electroless gold plating on poly(dimethylsiloxane) (PDMS). A two-layer structured gold film with a tight layer and a loose layer can be obtained on the surface of a PDMS chip when the PDMS chip is immersed in a gold plating solution at 30 degrees C for 4 h. Its wettability can be rapidly switched between superhydrophilicity and superhydrophobicity by plasma and heat treatments without any self-assembled monolayer, and the superhydrophobicit… Show more

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Cited by 32 publications
(26 citation statements)
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References 28 publications
(35 reference statements)
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“…A gold film with two-layer structure was fabricated on poly(dimethylsiloxane) by electroless plating. 115 The wettability of the gold film could be rapidly switched between superhydrophilicity and superhydrophobicity by the alternation of heat and plasma treatment. Tunable adhesive superhydrophobic iron surfaces for superparamagnetic microdroplets were prepared as a function of the magnetic field.…”
Section: Othersmentioning
confidence: 99%
“…A gold film with two-layer structure was fabricated on poly(dimethylsiloxane) by electroless plating. 115 The wettability of the gold film could be rapidly switched between superhydrophilicity and superhydrophobicity by the alternation of heat and plasma treatment. Tunable adhesive superhydrophobic iron surfaces for superparamagnetic microdroplets were prepared as a function of the magnetic field.…”
Section: Othersmentioning
confidence: 99%
“…These effects are highly dependent on the plasma parameters such as the used gas, the pressure or the power and also on the substrate nature. For example, if a hydrophobic monolayer is used to prepare a superhydrophobic surface, the plasma treatment can remove the monolayer and leads to superhydrophobic properties [49][50][51][52]. However, to obtain reversible properties, it is often necessary to have again the hydrophobic monolayer and/or to storage in the dark.…”
Section: Plasmamentioning
confidence: 99%
“…Due to their excellent physical, chemical, and electrochemical properties, electrodeposited gold films are widely used for numerous decorative and functional applications [1][2][3]. Nowadays, the majority of operational gold electroplating electrolytes are still cyanide-based, capable of providing dense and uniform gold films at low cost.…”
Section: Introductionmentioning
confidence: 99%