Modification of the Adsorption Properties of Nanomaterials Based on Zinc Oxide and Tin Dioxide after Additional Activation in Argon Plasma

The modification of the adsorption properties of nanomaterials based on ZnO and SnO2, synthesized by the sol-gel method, after additional activation of their surface by argon plasma has been studied. Correlation between the adsorption properties and photocatalytic activity has been established. The scanning electron microscopy has confirmed the degradation of structure of nanomaterials with high-power plasma source and/or prolonged activation, and as a consequence, reduction of their photocatalytic properties