Figure 1.

SEM images of dry A-TiO2 and R-TiO2 nanoparticles. SEM images of anatase nanoparticles at two magnifications: ×50,000 (a) and ×200,000 (b), and rutile nanoparticles at two magnifications: ×50,000 (c) and ×200,000 (d).

Cabaleiro et al. Nanoscale Research Letters 2013 8:286   doi:10.1186/1556-276X-8-286
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