Figure 1.
Morphology of WO3 (a) nanofibers and (b) films, fabricated using similar parameters. Deposition of W for 180 s, and oxidation at 700 °C in air for 2 h. Reprinted with permission from [27]. Copyright 2012 Royal Society of Chemistry.
Morphology of WO3 (a) nanofibers and (b) films, fabricated using similar parameters. Deposition of W for 180 s, and oxidation at 700 °C in air for 2 h. Reprinted with permission from [27]. Copyright 2012 Royal Society of Chemistry.