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Length-controlled and selective growth of individual indium nitride nanowires by localized laser heating

  • Eunpa Kim
  • , Junsuk Rho
  • , Sang Gil Ryu
  • , David Hwang
  • , Yoonkyung Lee
  • , Kyunghoon Kim
  • , Costas Grigoropoulos
  • University of California at Berkeley
  • Pohang University of Science and Technology
  • Sungkyunkwan University

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Length-controlled indium nitride (InN) nanowires are grown by localized laser-assisted metal organic vapor phase epitaxy. Laser irradiation results in spatially confined, rapid heating that enables precise nucleation control and subsequent nanowire growth. This localization of the laser-driven growth can realize on-demand and site-selective direct synthesis of length-controlled nanowires on catalytic gold nanodots. The length of the InN nanowires is controlled by the laser irradiation time at a fixed power. Energy dispersive X-ray, Raman and photoluminescence spectroscopic analyzes respectively characterize the elemental composition, crystallinity, and emission properties of as-grown InN nanowires.

Original languageEnglish
Article number056501
JournalApplied Physics Express
Volume12
Issue number5
DOIs
StatePublished - May 1 2019

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