Figure 33. Dynamic resistance changes of ZnO sensors and VO-ZnO nanowires to 1000 ppb of NO2 in dark (a) under UV illumination (b) and (c) sensing responses of ZnO sensors; (d) influence of light intensity on response curves and responses (inset) of VO-ZnO sensor to 1000 ppb of NO2 [68]

From

Review of Recent Advances of ZnO Nanowires Based Sensors

Ahmed M. Nahhas

American Journal of Nanomaterials. 2020, 8(1), 18-31 doi:10.12691/ajn-8-1-3