Figure 1From: Synthesis, structure, and photovoltaic property of a nanocrystalline 2H perovskite-type novel sensitizer (CH3CH2NH3)PbI3Powder XRD pattern (a) and crystal structure (b) of (CH 3 CH 2 NH 3 )PbI 3 . Red and purple spheres represent Pb and I ions, respectively.Back to article page