Oxidation of Monolayer WS${}_2$ in Ambient is a Photoinduced Process

Jimmy C. Kotsakidis, Quianhui Zhang, Amadeo L. Vazquez de Parga +4

We have studied the ambient air oxidation of chemical vapor deposition (CVD) grown monolayers of the semiconducting transition metal dichalcogenide (S-TMD) WS${}_2$ using optical m…