Environmental Engineering Reference
In-Depth Information
network structure in the gel solution; when several nucleations take place,
the gels begin to l occulate during the aging period and form large Fe
3
O
4
nanoparticles in a size range from 50 to 100 nm. h e HRTEM images were
obtained near the center region of the hollow nanocages for observation
of morphologies and structures of the iron oxide nanocages (Figure 11.2).
Figure 11.2a shows that the Fe
3
O
4
nanocages include three single crystalline
Figure 11.2
HRTEM images of the center region of hollow (a) Fe
3
O
4
nanocages and (b)
γ- Fe
2
O
3
nanocages. Adapted from [98].
Search WWH ::
Custom Search