Nanocrystals' 'self-purification' mechanisms explained by energetics

Doping semiconductor nanocrystals will likely provide a basis for a wide variety of nano applications. But since the tiny nanocrystals tend to repel impurities, scientists must first find a way to overcome nanocrystals’ “self-purification” mechanisms and exploit them for doping.

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<p><a href="http://www.physorg.com/news70115009.html">Nanocrystals' 'self-purification' mechanisms explained by energetics</a></p> <p>Doping semiconductor nanocrystals will likely provide a basis for a wide variety of nano applications. But since the tiny nanocrystals tend to repel impurities, scientists must first find a way to overcome nanocrystals’ “self-purification” mechanisms and exploit them for doping.</p>