Fig. 3From: Enhanced Photocatalytic Activity of the Carbon Quantum Dot-Modified BiOI MicrospherePhotocatalytic degradation of MO in the presence of pure BiOI and CQDs/BiOI materials under visible light (λ > 420) irradiation (a). The UV-vis diffuse reflectance spectroscopy of the pure BiOI and the series of CQD/BiOI samples (b). Transient photocurrent responses (c) and electrochemical impedance spectroscopy (EIS) Nyquist plot (d) of the series samplesBack to article page