Abstract
Semiconductor selenides of MSe (M = Cd, Hg) nanocrystalline powders were synthesized through the reactions between metal chlorides and sodium selenosulfate in the ammoniacal aqueous solution at room temperature for 6–10 h. The samples were characterized by x-ray powder diffraction, transmission electron microscopy, electron diffraction, x-ray photoelectron spectroscopy, and elemental analysis. The average diameters of CdSe and HgSe nanocrystallites are 4 and 8 nm, respectively. The storage and an interesting phase transition under hydrothermal conditions have been presented. The absorption spectrum of the as-prepared samples exhibits obvious blue shift due to the size confinement.
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Yang, Q., Tang, K., Wang, C. et al. Wet Synthesis and Characterization of MSe (M = Cd, Hg) Nanocrystallites at Room Temperature. Journal of Materials Research 17, 1147–1152 (2002). https://doi.org/10.1557/JMR.2002.0170
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DOI: https://doi.org/10.1557/JMR.2002.0170