Influence of stabilizing agents on structural and optical properties of cobalt oxide nanoparticles synthesized by an ultrasound-assisted method

Synthesis of CuxCo3−xO4 nanoparticles by a sonochemical method and characterization of structural and optical properties and photocatalytic activity for the degradation of methylene blue

“…Undoped Co 3 O 4 nanoparticles were synthesized by the sonochemical method and subsequent calcination process with some modifications reported in our previous research. 27 In this experiment, sodium hydroxide was used instead of sodium borohydride as a precipitating agent. For the synthesis, 100 ml of 0.1 M Co(NO 3 ) 2 ·7H 2 O aqueous solution was prepared and stirred with PVA solution as a stabilizer agent (2.0 wt%) for 15 min to obtain a homogenous solution.…”