277
Characterization of Nanomaterials
Figure 8.37
Secondary electron SEM images of poly(lactic-coglycolic acid, or PLGA, nanoparticles. (Courtesy of
Charlesson LLC.)
Figure 8.38
Secondary electron SEM image of carbon
nanotubes. (Courtesy of P. J. Ferreira, University
of Texas at Austin; J. B. Vander Sande, MIT; and P.
Szakalos, Royal Institute of Technology, Sweden.)
10 µm
Bi-free
Bi-free
Bi-2212
Figure 8.39
SEM backscattered electron image of a Bi-2212
high temperature superconductor. The black
regions are Bismuth-free impurity phases, the
dark-gray area is the Bi-2212 phase and the light
gray area is the Bi-2201 phase. (Courtesy of E.
Cecchetti, P. J. Ferreira, and J. B. Vander Sande,
MIT.)
Figure 8.40
Transmission electron microscope (TEM). (Courtesy
of JEOL.)