Adsorption of nonionic surfactants with ethylene oxide headgroup chemistry at the titania-water interface
The adsorption of nonionic surfactants such as poly-(ethylene oxide) alkyl ether surfactant (CnEm) and polysorbate (commonly referred to as Tween) was studied at the titania?water interface using optical reflectometry and atomic force microscopy (AFM). Previous reports have indicated little to no adsorption of these surfactants to titania, however under certain conditions, the surface excess was high. Typically significant adsorption was only observed when the titania surface was not strongly...[Show more]
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|Source:||Journal of Physical Chemistry B|
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