Temperature Dependence of Surface Nanobubbles

被引：45

作者：

Berkelaar, Robin P. ^{[1
,2
]}

Seddon, James R. T. ^{[1
]}

Zandvliet, Harold J. W. ^{[1
]}

Lohse, Detlef ^{[1
]}

机构：

[1] Univ Twente, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands

[2] Mat Innovat Inst M2i, NL-2628 CD Delft, Netherlands

来源：

CHEMPHYSCHEM | 2012年 / 13卷 / 08期

关键词：

atomic force microscopy; nanobubbles; nanostructures; surface analysis; temperature dependence; WATER;

D O I：

10.1002/cphc.201100808

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The temperature dependence of nanobubbles was investigated experimentally using atomic force microscopy. By scanning the same area of the surface at temperatures from 51 degrees C to 25 degrees C it was possible to track geometrical changes of individual nanobubbles as the temperature was decreased. Interestingly, nanobubbles of the same size react differently to this temperature change; some grow whilst others shrink. This effect cannot be attributed to Ostwald ripening, since the growth and shrinkage of nanobubbles appears to occur in distinct patches on the substrate. The total nanobubble volume per unit area shows a maximum around 33 degrees C, which is comparable with literature where experiments were carried out with increasing temperature. This underlines the stability of surface nanobubbles.

引用

页码：2213 / 2217

页数：5

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