We report a new and low cost method to synthesize colloidal CdSe and coated CdSe/CuSe nanocrystals in aqueous solution. The results of structural characterization and optical measurements indicated that the good size control had been achieved. The photoluminescence study confirmed the surface passivation of CdSe core with CuSe outlayer and revealed strong enhancement of band-edge luminescence due to the quantum confinement in coated CdSe/CuSe nanocrystals.
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Xu et al. (1998) studied this question.
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