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Yang Song, Binyu Zhao, Dr. Lijuan Zhang, Dr. Junhong Lü, Shuo Wang, Prof. Yaming Dong and Prof. Jun Hu The Origin of the “Snap-In” in the Force Curve between AFM Probe and the Water/Gas Interface of Nanobubbles ChemPhysChem 15

Article first published online: 29 JAN 2014 | DOI: 10.1002/cphc.201301081

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Snap-in operation: The origin of the “snap-in” in the force curve between the atomic force microscopy (AFM) probe and the water/gas interface of a nanobubble is investigated by PeakForce quantitative nanomechanics. The phenomenon is attributed to hydrophobic interactions caused by hydrophobic contamination or surfactant absorption on the AFM probe or the nanobubble. Conventional plasma cleaning treatment is shown to remove the effect.

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