Fig. 1From: High-Performance CsPbI2Br Perovskite Solar Cells with Zinc and Manganese DopingThe top-view SEM images of the CsPbI2Br-ZnCl2-Mncl2 films. a CsPbI2Br-0%. b CsPbI2Br-0.25%. c CsPbI2Br-0.50%Back to article page