Halide perovskites offer a flexible platform for tuning optoelectronic properties through changes in composition, connectivity, and dimensionality. I will present our recent studies on further increasing the accessible electronic structures of this versatile family of materials by synthesizing mixed-metal perovskites. Through both stoichiometric and substoichiometric substitutions we can synthesize a variety of halide perovskites, including those with unprecedented lattices and unusual electronic structures. I will also discuss our recent efforts on expanding the 3D perovskite lattice in order to incorporate larger and more complex organic cations such as those containing radicals.

Increasing the complexity of halide perovskites

ACS Spring Meeting 2021

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