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Preparation of ZnS semiconductor nanocrystals using pulsed laser ablation in aqueous surfactant solutions

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Published under licence by IOP Publishing Ltd
, , Citation S-H Choi et al 2007 J. Phys.: Conf. Ser. 59 388 DOI 10.1088/1742-6596/59/1/082

1742-6596/59/1/388

Abstract

Cubic ZnS semiconductor nanocrystals with the size of 2 to 5 nm were prepared by pulsed laser ablation in aqueous surfactant solutions of sodium dodecyl sulfate and cetyltrimethylammonium bromide without any further treatments. The obtained suspensions of the nanocrystals have broad photoluminescence emission from 375 to 600 nm. The abundance and emission intensity of the nanocrystals depend on the concentration of the surfactant in solution.

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10.1088/1742-6596/59/1/082