Stick-jump mode in surface droplet dissolution

The analogy between evaporating surface droplets in air to dissolving long-chain alcohol droplets in water is worked out. We show that next to the three known modi for surface droplet evaporation or dissolution (constant contact angle mode, constant contact radius mode, and stick-slide mode), a four...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 31(2015), 16 vom: 28. Apr., Seite 4696-703
1. Verfasser: Dietrich, Erik (VerfasserIn)
Weitere Verfasser: Kooij, E Stefan, Zhang, Xuehua, Zandvliet, Harold J W, Lohse, Detlef
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The analogy between evaporating surface droplets in air to dissolving long-chain alcohol droplets in water is worked out. We show that next to the three known modi for surface droplet evaporation or dissolution (constant contact angle mode, constant contact radius mode, and stick-slide mode), a fourth mode exists for small droplets on supposedly smooth substrates, the stick-jump mode: intermittent contact line pinning causes the droplet to switch between sticking and jumping during the dissolution. We present experimental data and compare them to theory to predict the dissolution time in this stick-jump mode. We also explain why these jumps were easily observed for microscale droplets but not for larger droplets 
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700 1 |a Zhang, Xuehua  |e verfasserin  |4 aut 
700 1 |a Zandvliet, Harold J W  |e verfasserin  |4 aut 
700 1 |a Lohse, Detlef  |e verfasserin  |4 aut 
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