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Chemists shrink gallium nitride, the material behind LED lighting, into nanocrystals
Nanocrystals are so useful that they formed the basis of the 2023 Nobel Prize in Chemistry. But despite their usefulness, scientists have so far been able to make these microscopic crystals from only a limited palette of materials.
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Scientists at the University of Chicago and Argonne National Laboratory have developed a method to produce nanocrystals from metal nitrides, a class of materials that had previously been impossible to shrink to the nanoscale. The technique, detailed in a July 15 Nature paper, enables the creation of gallium nitride nanocrystals, which are small enough that billions could fit on a fingernail. This breakthrough expands the range of materials that can be fashioned into nanocrystals, potentially benefiting electronics, flexible lighting, and medical implant technologies.
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