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Growth of tin oxide nanorods induced by nanocube-oriented coalescence mechanism

    Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

    Abstract

    SnO2 nanocrystals (NCs) with spherical, cubic, and cuboid nanorod morphologies are obtained at different stages in hydrothermal synthesis using a SnCl4 5 H2 O to CO (NH2)2 ratio of 1 to 10. Microstructural examination and theoretical derivation reveal that small spherical NCs are formed initially and some of them morph into cylindrical NCs because of the low surface free energy. These NCs transform into bigger cubic NCs with time finally evolving into cuboid nanorods due to Brownian motion. The cuboid nanorods have a lower surface free energy than the cubic NCs and constitute a stable nanostructure. © 2011 American Institute of Physics.
    Original languageEnglish
    Article number133102
    JournalApplied Physics Letters
    Volume98
    Issue number13
    DOIs
    Publication statusPublished - 28 Mar 2011

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