Perovskite crystal structure

25 Jan 2022

In the crystal structure of a metal halide perovskite, halide ions (small green balls) create an octahedral shape (pink) around a metal atom (dark red ball). In the middle of a group of four octahedral shapes lies a positive ion (orange ball). This image first appeared in the press release, “Asymmetry is key to creating more stable blue perovskite LEDs”.

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