Research Article

Role of Oxygen Vacancies in the Electrical Properties of WO3−x Nano/Microrods with Identical Morphology

Figure 8

Characteristic I-V curves of the devices fabricated with the obtained WO3−x crystals under irradiation of light with different wavelengths (400 and 600 nm): (a) WO3, (b) WO2.90, (c) W19O55, and (d) W18O49.
(a)
(b)
(c)
(d)