Web Release Date: October 19,
Synthesis, Characterization, and Optical Properties of Ordered Arrays of III-Nitride Nanocrystals
and
Department of Materials Science and Engineering, Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, and Department of Electrical and Computer Engineering, Department of Materials, University of California, Santa Barbara, California 93106
Received August 23, 2007
Revised October 5, 2007
Abstract:
A new approach involving self-assembling block copolymer micellar templates and gas-phase reactions to synthesize arrays of monodisperse III-nitrides nanocrystals in the size range of 1-5 nm with uniform spacings between the nanoparticles is demonstrated. The photoluminescence emission spectra revealed the GaN nanocrystals are in the quantum-confined regime. This method not only offers great promise for the controlled synthesis of arrays of ternary III-nitride nanocrystals but may also enable doping in binary nitrides.
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