Research Article
Fast-LPG Sensors at Room Temperature by α-Fe2O3/CNT Nanocomposite Thin Films
Figure 4
Morphology of surface measured using AFM on samples of the α-Fe2O3/CNT films with different deposition times. The 3D images recorded at 5 μm × 5 μm planar in contact mode.
(a) α-Fe2O3/CNTs prepared under 15 min |
(b) α-Fe2O3/CNTs prepared under 60 min |
(c) α-Fe2O3/CNTs prepared under 90 min |