Table 1
The crystallography data of some important types of VO2 polymorph.
Fig. 1
XRD patterns of the as-obtained VO2(B) nanobelts.
Fig. 2
XRD patterns of the as-obtained VO2(A) transformed from VO2(B) nanobelts by hydrothermal treatment at 280 °C for 48 h.
Fig. 3
XRD patterns of the as-obtained VO2(M) transformed from VO2(B) nanobelts by heating treatment at 700 °C for 2 h.
Fig. 4
TEM images of the as-obtained nanobelts: (a) VO2(B), (b) VO2(A) and (c) VO2(M).
Fig. 5
TG curves of the as-obtained VO2(B), VO2(A) and VO2(M) nanobelts in air atmosphere.
Fig. 6
Heat flow curves of the as-obtained VO2(B), VO2(A) and VO2(M) nanobelts in air atmosphere.
Fig. 7
DSC curves of the as-obtained VO2(A) and VO2(M) nanobelts.
Fig. 8
Variable-temperature infrared spectra of VO2(A) nanobelts below and above Tc.
Fig. 9
Variable-temperature infrared spectra of VO2(M) nanobelts below and above Tc.