Fig. 4
Long-term stability of TiO2|CsPbBr3|m-c|GS70 in water. Chronoamperometric trace of TiO2|CsPbBr3|m-c|GS70 recorded at an applied potential of 1.23 VRHE. 0.1 M KNO3 electrolyte solution pH 7, under continuous simulated solar light irradiation (AM 1.5 G, 100 mW cm−2)
