Figure 5

(a) TEM image of the prepared CoxNi1−xFe2O4; x = 0.9/SiO2/TiO2/C-dots nanocomposite; (b) HR-TEM image; (c) SAED pattern.
(a) TEM image of the prepared CoxNi1−xFe2O4; x = 0.9/SiO2/TiO2/C-dots nanocomposite; (b) HR-TEM image; (c) SAED pattern.