Fig. 5
a Nitrogen adsorption and desorption isotherms and b pore size distribution of sea urchin-like NiCo2O4 synthesized with 5 g PDDA solution
Fig. 5 | Nanoscale Research Letters
a Nitrogen adsorption and desorption isotherms and b pore size distribution of sea urchin-like NiCo2O4 synthesized with 5 g PDDA solution