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, M. Sharp, Zhu Liu, Lin Li

Research output: Contribution to journalArticlepeer-review

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 pages3
JournalApplied Physics A: Materials Science and Processing
Volume91
Issue number3
DOIs
Publication statusPublished - Jun 2008

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