Fig. 11.3 FESEM images of (a) Fe 3 O 4 @SiO 2 and (b) Fe 3 O 4 @void@CdS NPs; TEM images of (c)
Fe 3 O 4 @SiO 2 and (d) Fe 3 O 4 @void@CdS NPs. Reprinted with the permission from ref. [24]. Copyright 2011 American Chemical Society
Fig. 11.4 Ph-F degradation
of MB by different catalysts
(no cat., Fe 3 O 4 , CdS,
Fe 3 O 4 @CdS,
Fe 3 O 4 @SiO 2 @CdS,
physical mixture of Fe 3 O 4
and SiO 2 @void@CdS,
SiO 2 @void@CdS, and
Fe3O4@void@ CdS. Cat.,
0.2 g L
À1
; MB, 10 mg L
À1
;
H 2 O 2 , 300 mM; Vol.,
50 mL). Reprinted with the
permission from ref.
[24]. Copyright 2011
American Chemical Society
268
11 Photo-Fenton Reaction