Room-temperature lasing observed from ZnO nanocolumns grown by aqueous solution deposition

K. Govender, D. S. Boyle, P. O'Brien, D. Binks, D. West, D. Coleman

    Research output: Contribution to journalArticlepeer-review

    Abstract

    White light luminescence and room-temperature lasing throughout the visible are demonstrated for ZnO nanocolumns grown on Au-coated tin-oxide glass. The directionality of the emission, the lasing threshold, and the observed mode spacing are all consistent with Fabry-Pérot lasing cavities. The Figure shows a cross-sectional SEM image of ZnO nanocolumns with an average nanocolumn length of ∼ 3 μm.
    Original languageEnglish
    Pages (from-to)1179-1224
    Number of pages45
    JournalAdvanced Materials
    Volume14
    Issue number17
    DOIs
    Publication statusPublished - 3 Sept 2002

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