Fast Synthesis of Co₃O₄ by Microwave-Assisted Hydrothermal Treatment

Figure 3

TEM images of Co₃O₄ nanoparticles synthesized with KOH and H₂O₂ at 220°C during (a, b) 60 min (CH2-60) and (c, d) 10 min (CH2-10) and (e, f) nanocubes synthesized with urea at 180°C during 60 min (CU-60).