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Ion exchange synthesis of III-V nanocrystals
Brandon J Beberwyck1, A Paul Alivisatos
1Department of Materials Science and Engineering, University of California, Berkeley, California 94720, United States.
Journal of the American Chemical Society
|November 30, 2012
Abstract:
III-V nanocrystals displaying high crystallinity and low size dispersity are difficult to access by direct synthesis from molecular precursors. Here, we demonstrate that cation exchange of cadmium pnictide nanocrystals with group 13 ions yields monodisperse, crystalline III-V nanocrystals, including GaAs, InAs, GaP, and InP. This report highlights the versatility of cation exchange for accessing nanocrystals with covalent lattices.

