Degradation of Imazapyr herbicide using visible light-active CdO-TiO2 heterojunction photocatalyst

In this investigation, various percentages of CdO (0 similar to 4 wt.%) were included in the fabrication of CdO-TiO2 nanocomposites via the practicing sol-gel route. Many techniques characterized the TiO2 and CdO-TiO2 samples. Exceptionally potent CdO-TiO2 heterojunction was formulated via the immobilization of cadmium ions into the TiO2 matrix through the synthesis process. The attained nanocomposite is found to furnish highly dispersed CdO nanoparticles over TiO2 that possess an average particle size of 10 nm. P25 was utilized as a reference to estimate the photocatalytic performance of the fabricated CdO-TiO2 heterojunctions towards photocatalytic destruction of Imazapyr, a potential used herbicide, beneath visible light. Superior photocatalytic efficiencies were exhibited by the newly fabricated CdO-TiO2 nanocomposites, such that CdO-TiO2 nanocomposites were able to photodegrade Imazapyr 12.2 and 24.5 times greater when correlated to TiO2 and P25, respectively.

Automated summary

CdO-TiO2 nanocomposites were fabricated using sol-gel route with different percentages of CdO. These nanocomposites showed superior photocatalytic efficiency in degrading Imazapyr herbicide under visible light compared to TiO2 and P25, exhibiting 12.2 and 24.5 times higher degradation rates.