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A simple large-scale synthesis of very long aligned silica nanowires

  • J. Q. Hu
  • , Y. Jiang
  • , X. M. Meng
  • , C. S. Lee
  • , S. T. Le

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Abstract

A simple method based on the thermal oxidation of Si wafers has been discovered to provide a large-scale synthesis of very long, aligned silica nanowires. The as-grown product was characterized by scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectroscopy, and photoluminescence. The obtained SiO2 nanowires had no metal contaminations, ultralong lengths of millimeters, and most diameters of ∼50 nm. The PL spectra of the SiO2 nanowires showed a strong and stable green emission at 540 nm. The nucleation and growth of the SiO2 nanowires were investigated. © 2002 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)339-343
JournalChemical Physics Letters
Volume367
Issue number3-4
DOIs
Publication statusPublished - 6 Jan 2003

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