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. 2022 Oct 18;17(10):e0276097. doi: 10.1371/journal.pone.0276097

Fig 2.

Fig 2

SEM images for pristine; (A) and 0.5 wt% Cd-doped TiO2; (B) produced nanofibers after the calcination process. (C) magnification of 0.5 wt% Cd-doped TiO2 nanofiber indicating the corrugated/speckled surface of the nanofiber. (D) TEM image of Cd-doped TiO2 nanofiber indicating the attach of CdTiO3 over the surface of TiO2 nanofiber.