CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
The Origin of the "Snap-In" in the Force Curve between AFM Probe and the Water/Gas Interface of Nanobubbles
Song, Y; Zhao, BY; Zhang, LJ; Lu, JH; Wang, S; Dong, YM; Hu, J; zhanglijuan@sinap.ac.cn; junhu22@hotmail.com
2014
Source PublicationCHEMPHYSCHEM
ISSN1439-4235
Volume15Issue:3Pages:492—499
AbstractThe long-range attractive force or snap-in is an important phenomenon usually occurring when a solid particle interacts with a water/gas interface. By using PeakForce quantitative nanomechanics the origin of snap-in in the force curve between the atomic force microscopy (AFM) probe and the water/gas interface of nanobubbles has been investigated. The snap-in frequently happened when the probe was preserved for a certain time or after being used for imaging solid surfaces under atmospheric conditions. In contrast, imaging in liquids rarely induced a snap-in. After a series of control experiments, it was found that the snap-in can be attributed to hydrophobic interactions between the water/gas interface and the AFM probe, which was either modified or contaminated with hydrophobic material. The hydrophobic contamination could be efficiently removed by a conventional plasma-cleaning treatment, which prevents the occurring of the snap-in. In addition, the adsorption of sodium dodecyl sulfate onto the nanobubble surface changed the water/gas interface into hydrophilic, which also eliminated the snap-in phenomenon.
KeywordParticle-bubble Interactions Aqueous-solutions Hydrophobic Surfaces Air Bubble Microscopy Electrolyte Stability
Indexed BySCI
Language英语
WOS IDWOS:000331407900011
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14497
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorzhanglijuan@sinap.ac.cn; junhu22@hotmail.com
Recommended Citation
GB/T 7714
Song, Y,Zhao, BY,Zhang, LJ,et al. The Origin of the "Snap-In" in the Force Curve between AFM Probe and the Water/Gas Interface of Nanobubbles[J]. CHEMPHYSCHEM,2014,15(3):492—499.
APA Song, Y.,Zhao, BY.,Zhang, LJ.,Lu, JH.,Wang, S.,...&junhu22@hotmail.com.(2014).The Origin of the "Snap-In" in the Force Curve between AFM Probe and the Water/Gas Interface of Nanobubbles.CHEMPHYSCHEM,15(3),492—499.
MLA Song, Y,et al."The Origin of the "Snap-In" in the Force Curve between AFM Probe and the Water/Gas Interface of Nanobubbles".CHEMPHYSCHEM 15.3(2014):492—499.
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