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TEM images (500Kx) of N_TiO2 samples diluted in ethanol (1:1250, 200 proof). (A-B) Representative images confirming the nanoparticles’ spherical shape, smooth surface and sizes around 10nm. It is also possible to observe that nanoparticles tend to aggregate even in a very diluted sample. TEM images also display the presence of the copper grid used during the images acquisition. (C) Compositional analysis performed during the TEM characterization.
