Review on the Synthesis and Applications of Fe_𝟑O_𝟒 Nanomaterials

Figure 3

(a) TEM images of the chainlike arrays of Fe₃O₄ hollow nanospheres; (b) SEM image of the hierarchial porous Fe₃O₄ hollow submicrospheres; (c) SEM and TEM images of the flower-like Fe₃O₄ superstructures [20–22].

(a)

(b)

(c)