Figure 4.

Log-scale I-V curves recorded for comparing the effects of UV light illumination and temperature. I-V curves recorded for the WO3 nanowire with asymmetric contacts with (circle) and without (square, triangle) UV light illumination at 300 K (square, cirle) and 425 K (triangle).

He et al. Nanoscale Research Letters 2013 8:50   doi:10.1186/1556-276X-8-50
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