Fig. 5: Cross-sectional image of WO3 nanoneedle films.
Cross-sectional image of a WO3 nanoneedle film on the Al2O3 substrate. b A low magnification image of (a).
Fig. 5: Cross-sectional image of WO3 nanoneedle films. | NPG Asia Materials
Cross-sectional image of a WO3 nanoneedle film on the Al2O3 substrate. b A low magnification image of (a).
