Catalytic Activity of Porous Phosphate Heterostructures-Fe towards Reactive Black 5 Degradation

Figure 1

N₂ adsorption-desorption isotherms at 77 K: (a) Fe-PPH (exc), (b) FeSO₃-PPH (exc), and (c) PPH-Fe (imp).

(a)

(b)

(c)