Synthesis of Core-Shell Fe_𝟑O_𝟒@SiO_𝟐@TiO_𝟐 Microspheres and Their Application as Recyclable Photocatalysts

Figure 2

(a)–(c) FESEM images of the Fe₃O₄ microspheres, Fe₃O₄@SiO₂ microspheres, and Fe₃O₄@SiO₂@TiO₂ microspheres, (d) TEM image of the Fe₃O₄@SiO₂@TiO₂ microspheres.

(a)

(b)

(c)

(d)