2 article(s) from Koziol, Krzysztof K K
Figure 1: Injection c-CVD furnace and constant parameters for the synthesis of aligned N-CNT arrays.
Scheme 1: Schematic reactions in the synthesis of N-CNTs and MWCNTs; for clarity only the outer nanotube wall...
Figure 2: Relationship between the nitrogen content in the N-CNTs products and in the feedstock.
Figure 3: SEM examination of the N-CNTs from Syntheses I–IX and MWCNT from Ref. Synthesis.
Figure 4: Histograms of the outer diameters of N-CNTs from Syntheses I–VIII.
Figure 5: TEM images of: N-CNTs from Synthesis VII (upper panel) – straight N-CNTs; magnified views reveal ‘b...
Figure 6: (A) TEM micrograph comparing two distinguishable types of nanotube morphologies: top – ‘bamboo’-lik...
Figure 7: The height of the N-CNTs array vs time of growth.
Figure 8: Overlaid TGA curves recorded in air for N-CNTs (Synthesis V and VII) and MWCNTs (Ref. Synthesis).
Figure 9: FT-IR spectra of CNTs and N-CNTs (Synthesis VIII).
Figure 10: The ratio ID/IG vs the level of N-doping at 760 and 860 °C, as compared to pristine MWCNTs.
Figure 11: XRD pattern of N-CNTs (Synthesis VIII). The numbers are the hkl indices of the highest intensity pe...
Figure 12: Models of MWCNT (left) and N-CNT (right) with metal particles differently distributed along the nan...
Figure 13: Examples of how nitrogen atoms can be incorporated into the graphene layer: (1) and (3) deformation...
Figure 1: SEM micrographs (A–C): A side (A) and a top view (B) of the HACNT film grown on a quartz substrate;...
Figure 2: Sequence of images showing infiltration of the HACNT film, as grown on the quartz substrate, by dif...
Figure 3: Time of infiltration of HACNTs film as a function of the dynamic viscosity of a range of viscous li...