Purdue researchers’ crystal engineering modifies 2D metal halide perovskites into 1D nanowires

Researchers from Purdue University and ShanghaiTech University in China have developed a patent-pending method to synthesize high-quality, layered perovskite nanowires with large aspect ratios and tunable organic-inorganic chemical compositions. Layered metal halide perovskites, commonly called 2D perovskites, grow into large, thin sheets, but growth of one-dimensional forms of the materials is limited. The new method uses organic templating molecules that break the in-plane symmetry of layered perovskites and induce one-dimensional growth through secondary bonding interactions.