Fig. 8.30. SEM images of the b-SiC nanowires
obtained by, (a) heating the gel containing the
activated carbon and silica at 1360
C in NH 3
for 4 h and (b) heating the gel prepared by the
reaction of ethylene glycol with citric acid in
the presence of TEOS at 1360
C in NH 3 for
4 h. (c) HREM image of a b-SiC nanowire
prepared by heating the gel containing the
activated carbon and silica at 1360
C in NH 3
for 7 h. Reproduced from ref. [301], with
permission.
8.4 Nanowires 261