Optical properties of ZnO nanocrystals doped with Cd, Mg, Mn, and Fe ions

John Thomas Prabhakar, Y. S. Wang, P. John Thomas, P. O'Brien

    Research output: Contribution to journalArticlepeer-review

    Abstract

    ZnO nanocrystals doped with Cd, Mg, Mn, and Fe ions were obtained by thermolysis of a family of metal cupferrates. The nanocrystals were characterized by X-ray diffraction, energy-dispersive X-ray analysis, transmission electron microscopy, UV-visible, luminescence, and excitation spectroscopy. The band gap of the nanocrystals can be tuned in the range of 2.9-3.8 eV by the use of the dopants. In most cases, the nanocrystals are sufficiently defect-free to exhibit band edge luminescence. © 2006 American Chemical Society.
    Original languageEnglish
    Pages (from-to)21412-21415
    Number of pages3
    JournalJournal of Physical Chemistry B
    Volume110
    Issue number43
    DOIs
    Publication statusPublished - 2 Nov 2006

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