Figure 2

(a) TG analysis of the precursor powder carried out in air atmosphere at heating rate of 3 °C min−1, from RT to 800 °C and (b) XRD pattern of prepared 3D flower-like CuCo2O4.

(a) TG analysis of the precursor powder carried out in air atmosphere at heating rate of 3 °C min−1, from RT to 800 °C and (b) XRD pattern of prepared 3D flower-like CuCo2O4.