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Beilstein J. Nanotechnol. 2021, 12, 1187–1208, doi:10.3762/bjnano.12.88
Figure 1: Fractals in nature. Various fractal geometries found in nature: (a) human lung network, (b) snowfla...
Figure 2: (a) Fractal morphology. Fractal length scales depicting the change in fractal geometry as a functio...
Figure 3: SnO2 fab-fracs. Various shapes of large-scale SnO2 fab-fracs synthesized under controlled condition...
Figure 4: Growth of sol–gel-grown fab-fracs. The schematic depicts the growth mechanism of fab-fracs in diffe...
Figure 5: SnO2 fractals for H2 sensing. SEM images of samples calcined at 550 °C displaying a microstructure ...
Figure 6: SnO2 dendritic nanowires. SEM images of SnO2 DNWs at low (a) and high (b) magnifications, respectiv...
Figure 7: Leaf-like SnO2. (a–f) SnO2 SEM images of samples obtained after different reaction times, (g) schem...
Figure 8: Density and dimension of SnO2 fractal films. (a–d) SEM images and (e) CO gas sensing behavior of SnO...
Figure 9: SnO2 fractal ethanol sensors. Typical SEM images with (a) low and (b) high magnification of the gro...
Figure 10: SnO2/CuO nanoscale hybrid dendrites. SEM images of (a) Sn–Cu porous foams, (b) the 3D interlock net...
Figure 11: TiO2 fractals. (a) Top-view SEM image of TiO2 fractals. (b) Double-log plot of foreground pixel num...
Figure 12: TiO2 fractals on candle soot templates. SEM images of (a) top-view morphology and (b) thickness of ...
Figure 13: Hematite fractals. SEM images of (a) dendrites, (b) nanocubes, (c) rhombohedra, and (d) spindles of...
Figure 14: Dandelion-like ZnO fractals. (a–f) SEM images of the samples annealed at different temperatures. Th...
Figure 15: ZnO nanoscale flowers. SEM images of the samples prepared with a reaction time of (a, b) 2 h and (c...
Figure 16: ZnO dendritic sensor. (a) Schematic illustration and (b) SEM micrograph of a ZnO dendrite gas senso...
Figure 17: Si/WO3 nanowires. (a–d) SEM images of Si/WO3 NWs, (e) HRTEM image of a WO3/SiNW interface, (f) XRD ...
Figure 18: WO3 dendrites. (a, b) SEM images of the grown hierarchical WO3 dendrites at low and high magnificat...
Figure 19: Bismuth vanadate hyperbranched structures. (a) FESEM image of hyperbranched m-BiVO4; (b) magnified ...
Figure 20: Bismuth vanadate dendrites. SEM images of (a) GO, (b) rGO, (c) pure pine dendritic BiVO4, and (d) B...
Figure 21: CdS dendrites. (a, b) CdS dendrites observed under SEM and TEM. The marked regions “c” and “e” were...
Figure 22: Au–Bi2O3 fractals. (a) Schematic of a Au–Bi2O3 fractal shown with magnified regions showing reducti...
Figure 23: Co3O4 dendrites. SEM images of (a, b) precursor and (c, d) Co3O4 nanostructure; (e, f) TEM images o...
Figure 24: Gas sensing mechanisms. The schematic presents the different mechanisms through which SMO sensors c...