By altering the chemical formation of quantum dots, researchers have found a way to produce such materials for electronic devices through a viable and low-cost method. The researchers used a lithography technique originally developed for honing nanoparticles. "You can effectively create little nanoscale reactors where you want them to be. You can control the location of where the reaction takes place, and you can precisely dial in the number of atoms that go into making the individual particle," said Chad A. Mirkin of Northwestern University.

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