Fig. 4From: WO3/p-Type-GR Layered Materials for Promoted Photocatalytic Antibiotic Degradation and Device for Mechanism InsightElectrocatalytic application of CVD synthesized layered materials WO3/GR and WO3. a, b CV curves of as-grown WO3/GR, WO3 on Cu foil. c, d electrochemical impedance spectra of WO3/GR, WO3 flakes as well as the Cu foil substrateBack to article page