Figure 3.
a
,
b
TEM images;
c
SAED pattern;
d
,
e
HRTEM images of the as-prepared PbSnO
3
nanotubes in the presence of surfactant PVP
Chen
et al.
Nanoscale Research Letters
2009
4
:274 doi:10.1007/s11671-008-9237-y