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Non-uniform spatial distribution of tin oxide (SnO₂) nanoparticles at the air-water interface
Inga Jordan1, Amaia Beloqui Redondo, Matthew A Brown
1Laboratory of Physical Chemistry, ETH Zürich, Switzerland.
Chemical Communications (Cambridge, England)
|March 18, 2014
Abstract:
Depth resolved X-ray photoelectron spectroscopy (XPS) combined with a 25 μm liquid jet is used to quantify the spatial distribution of 3 nm SnO2 nanoparticles (NPs) from the air-water interface (AWI) into the suspension bulk. Results are consistent with those of a layer several nm thick at the AWI that is completely devoid of NPs.
