Generation of titanium-oxide nanoparticles in liquid using a high-power, high-brightness continuous-wave fiber laser

A. Abdolvand, S.Z. Khan, Y. Yuan, P.L. Crouse, M.J.J. Schmidt, Lin Li, Zhu Liu, M. Sharp

    Research output: Contribution to journalArticle

    27 Citations (Scopus)

    Abstract

    Previous studies on laser-assisted nanomaterial formation in liquids have focused on using pulsed laser ablation of metals. We report, for the first time to our knowledge, the fabrication of nanoparticles via high-power high-brightness continuous-wave fiber laser ablation of titanium in liquids. Analysis revealed the generation of spherical nanoparticles of titanium-oxide ranging mainly between 5 nm and 60 nm in diameter. A mechanism of formation for crystallized nanoparticles, based on the self-organized pulsations of the evaporated metal, is proposed. This may account for the observed substantial efficiency gain owing to the high average power and brightness of the source.
    Original languageEnglish
    Pages (from-to)365-368
    Number of pages4
    JournalApplied Physics A: Materials Science & Processing
    Volume91
    Issue number3
    DOIs
    Publication statusPublished - 2008

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