Effect of Laser Drilling on the Microstructure and Luminescence of YAG:Ce,Si Phosphor Ceramics

Yung Tang Nien, Chia Wei Ma, In Gann Chen

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Y3Al5O12:Ce,Si (YAG:Ce,Si) phosphor ceramics prepared by a solid-state reaction method were drilled with an array of holes in a diameter of 100 μm. The laser-induced heat-affected zone surrounding the laser-drilled holes with a ring width of about 150 μm was analyzed to consist of Y4Al2O9, YAlO3, and Al2O3 phases, induced by the phase transformations from the YAG melt during laser drilling. Photoluminescence study of the YAG:Ce,Si phosphor ceramic indicated variable blue light transmission and yellow emission, suggesting the potential of tuning blue/yellow intensity ratio as well as precise color control of light-emitting diodes.

Original languageEnglish
Pages (from-to)745-749
Number of pages5
JournalInternational Journal of Applied Ceramic Technology
Volume12
Issue number4
DOIs
Publication statusPublished - 2015 Jul 1

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Condensed Matter Physics
  • Marketing
  • Materials Chemistry

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