Fig. 1From: WO3/p-Type-GR Layered Materials for Promoted Photocatalytic Antibiotic Degradation and Device for Mechanism InsightSchematic of the synthesis and the SEM morphologies of the WO3/GR heterostructures. a The 50 nm WO3 powder is positioned in the same ceramic boat at the inlet side of the tube furnace. b × 60,000 and c × 5000 SEM images. d C e O f WEDS elemental mapping of WO3/GRBack to article page