Photocatalytic and Electrochemical Activity of Magnesium Oxide Nanoballs Synthesized via a Hydrothermal Route

Currently, there is growing concern about minimizing the environmental impacts caused by generation of waste on water, soil, air pollution, and contamination environment in general. Magnesium oxide (MgO) nanoballs (NBs) were synthesized hydrothermal method followed a calcination process. The average size particles dispersed deionized water was 159.2 ± 70 nm. energy band gap calculated to be 5.14 eV. magnetic behavior, cyclic voltammetry, electrochemical impedance MgO NBs studied. Under visible-light irradiation, photocatalytic activity investigated methylene blue (MB) dye. Results showed that photodegradation for MB under visible light irradiation 120 min degradation results are fitted well with pseudo-first-order reaction kinetics rate constant 0.00252 min−1 correlation coefficient 0.96.