Figure 6From: Considerable Enhancement of Field Emission of SnO2Nanowires by Post-Annealing Process in Oxygen at High TemperatureF–N plots fora as-grown and post-annealed SnO2nanowires in oxygen atb 700 °C,c 850 °C,d 900 °C,e 950 °C andf 1,000 °C, respectivelyBack to article page