Application of EPR Spectroscopy in TiO2 and Nb2O5 Photocatalysis

The interaction of light with semiconducting materials becomes the center a wide range technologies, such as photocatalysis. This technology has recently attracted increasing attention due to its prospective uses in green energy and environmental remediation. characterization electronic structure semiconductors is essential deep understanding photocatalytic process since they influence govern activity by formation reactive radical species. Electron paramagnetic resonance (EPR) spectroscopy unique analytical tool that can be employed monitor photoinduced phenomena occurring solid liquid phases provides precise insights into dynamic reactivity photocatalyst under different experimental conditions. review focus on application EPR observation centers formed upon irradiation titanium dioxide niobium oxide photocatalysts. TiO2 Nb2O5 are very well-known have been widely used for applications. A large number results both offer reliable platform illustrate contribution studies heterogeneous photocatalysis, particularly monitoring photogenerated charge carriers, trap states, surface transfer steps. detailed overview EPR-spin trapping techniques mechanistic follow nature species suspension during presented. role electron donors or acceptors their effect phase highlighted.