Fig. 3From: High-Performance CsPbI2Br Perovskite Solar Cells with Zinc and Manganese DopingLightweight J–V curves of the solar cells based on the CsPbI2Br-ZnCl2-MnCl2 films (a). EQE spectra and integrated Jsc of the solar cells based on the CsPbI2Br-0.25% (red) and the CsPbI2Br-0% (black) films (b). Nyquist plots (c). J–V characteristics under the directions of reverse and forward scanning (d)Back to article page