NobleBlocks
    New Type of 2D Perovskites with Alternating Cations in the Interlayer Space, (C(NH<sub>2</sub>)<sub>3</sub>)(CH<sub>3</sub>NH<sub>3</sub>)<sub><i>n</i></sub>Pb<sub><i>n</i></sub>I<sub>3<i>n</i>+1</sub>: Structure, Properties, and Photovoltaic Performance | NobleBlocks