Morphological evolution of PbSe crystals via the CVD route

Kibriya Ahmad, Mohammad Afzaal, Paul O'Brien, Guoxiong Hua, J. Derek Woollins

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The growth of highly faceted PbSe microcrystals from the aerosol-assisted chemical vapor deposition (CVD) of novel lead phosphonodiselenoato compounds (Pb[Ph(RO)PSe2]2, where R is a methyl group (Me) (1) or an ethyl group (Et) (2)) is reported. This is the first such example of growth using a CVD technique. As-deposited materials are analyzed by X-ray diffraction (XRD), scanning electron microscopy coupled with energy-dispersive X-ray analysis (SEM/EDAX), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), and Raman spectroscopy. During the deposition studies, it has been found that the resulting morphologies are strongly dependent on the growth temperature, as a result of kinetics. © 2010 American Chemical Society.
    Original languageEnglish
    Pages (from-to)4619-4624
    Number of pages5
    JournalChemistry of Materials
    Volume22
    Issue number16
    DOIs
    Publication statusPublished - 24 Aug 2010

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