Abstract
| Original language | English |
|---|---|
| Pages (from-to) | 7072-7077 |
| Number of pages | 6 |
| Journal | Langmuir |
| Volume | 23 |
| Issue number | 13 |
| DOIs | |
| Publication status | Published - 2007 |
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Characterization of Nanobubbles on Hydrophobic Surfaces in Water. / Yang, S.; Dammer, S.M.; Bremond, N.P.; Zandvliet, H.J.W.; Kooij, E.S.; Lohse, D.
In: Langmuir, Vol. 23, No. 13, 2007, p. 7072-7077.Research output: Contribution to journal › Article › Academic › peer-review
TY - JOUR
T1 - Characterization of Nanobubbles on Hydrophobic Surfaces in Water
AU - Yang, S.
AU - Dammer, S.M.
AU - Bremond, N.P.
AU - Zandvliet, H.J.W.
AU - Kooij, E.S.
AU - Lohse, D.
PY - 2007
Y1 - 2007
N2 - The aim of this paper is to quantitatively characterize the appearance, stability, density, and shape of surface nanobubbles on hydrophobic surfaces under varying conditions such as temperature and temperature variation, gas type and concentration, surfactants, and surface treatment. The method we adopt is atomic force microscopy (AFM) operated in the tapping mode. In particular, we show (i) that nanobubbles can slide along grooves under the influence of the AFM tip, (ii) that nanobubbles can spontaneously form by substrate heating, allowing for a comparison of the surface topology with and without the nanobubble, (iii) that a water temperature increase leads to a drastic increase in the nanobubble density, (iv) that pressurizing the water with CO2 also leads to a larger nanobubble density, but typically to smaller nanobubbles, (v) that alcohol-cleaning of the surface is crucial for the formation of surface nanobubbles, (vi) that adding 2-butanol as surfactant leads to considerably smaller surface nanobubbles, and (vii) that flushing water over alcohol-covered surfaces strongly enhances the formation of surface nanobubbles.
AB - The aim of this paper is to quantitatively characterize the appearance, stability, density, and shape of surface nanobubbles on hydrophobic surfaces under varying conditions such as temperature and temperature variation, gas type and concentration, surfactants, and surface treatment. The method we adopt is atomic force microscopy (AFM) operated in the tapping mode. In particular, we show (i) that nanobubbles can slide along grooves under the influence of the AFM tip, (ii) that nanobubbles can spontaneously form by substrate heating, allowing for a comparison of the surface topology with and without the nanobubble, (iii) that a water temperature increase leads to a drastic increase in the nanobubble density, (iv) that pressurizing the water with CO2 also leads to a larger nanobubble density, but typically to smaller nanobubbles, (v) that alcohol-cleaning of the surface is crucial for the formation of surface nanobubbles, (vi) that adding 2-butanol as surfactant leads to considerably smaller surface nanobubbles, and (vii) that flushing water over alcohol-covered surfaces strongly enhances the formation of surface nanobubbles.
U2 - 10.1021/la070004i
DO - 10.1021/la070004i
M3 - Article
VL - 23
SP - 7072
EP - 7077
JO - Langmuir
JF - Langmuir
SN - 0743-7463
IS - 13
ER -