Adsorption and Sensing Performances of a TiO2 Cluster-Doped Graphene Monolayer toward SOF2 and SO2F2

Due to the high surface activity of metal atoms, it is difficult for doped metals to maintain long-term stability. Compared with other metal oxides, TiO2 graphene sensors have a higher sensing response and a larger specific surface area. However, there is currently no literature comparing and analyzing the effect of graphene-doped TiO2 on the adsorption performance of SF6 decomposition components. Therefore, this article investigated the adsorption performance of SF6 decomposition products: the distribution of SOF2 and SO2F2 on nTiO(2) (n = 1,2,3)-doped graphene. In order to explore the interaction mechanism between gas molecules and these modified systems, their E ads, charge transfer, DOS, and PDOS were systematically studied. The doping of nTiO(2) significantly improves the adsorption ability of graphene to gas molecules, discovers and enriches the online monitoring methods of GIS, and improves the engineering application value of GIS.

Automated summary

This study investigates the adsorption performance of SF6 decomposition products on graphene-doped TiO2 sensors and finds that the doping of nTiO(2) significantly enhances the adsorption ability of graphene to gas molecules, which is of great significance for online monitoring methods and engineering applications of GIS.