Fig. 10From: Artificial Intelligence-Aided Low Cost and Flexible Graphene Oxide-Based Paper Sensor for Ultraviolet and Sunlight MonitoringFESEM for: a fabricated plain paper without GO (magnification: 55 ×, accelerating voltage: 5 kV, working distance: 8 mm). b Fabricated plain paper without GO (magnification: 1300 ×, accelerating voltage: 5 kV, working distance: 8 mm). c Top surface of the GO paper sensor before photoreduction (magnification: 110 ×, accelerating voltage: 5 kV, working distance: 8 mm). d Top surface of the GO paper sensor before photoreduction (magnification: 1700 ×, accelerating voltage: 5 kV, working distance: 8 mm). e Top surface of the GO paper sensor after photoreduction (magnification: 200 ×, accelerating voltage: 5 kV, working distance: 8 mm). f Top surface of the GO paper sensor after photoreduction (magnification: 850 ×, accelerating voltage: 5 kV, working distance: 8 mm)Back to article page