Properties of Ce3+ -doped Y3Al5O12 phosphor nanoparticles formed by laser ablation in liquid

Hiroshi Koizumi, Junya Watabe, Shin Sugiyama, Hideaki Hirabayashi, Yoko Tokuno, Hiroyuki Wada, Tetsuya Homma

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Y3Al5O12: Ce3+ (YAG: Ce) nanoparticles were generated by the laser ablation from the micron-size YAG: Ce particles suspended in deionized water as a target suspension. The mean diameter of nanoparticles observed by a scanning electron microscopy were about 15–300 nm, and the morphology showed a dependence on an average energy density of Nd: YAG laser. The photoluminescence spectra exhibited peaks at 510 and 560 nm which are attributed to the 5d→4f transition of the Ce3+ activator. The luminescence intensity for the nanoparticles generated by the suspension increased with increasing the average energy density of Nd: YAG laser, and the intensity of 510 nm peak also exhibited higher than that for the nanoparticles generated by the micron-size particles precipitated on a bottom of vial. It was found that the laser ablation in liquid using the suspension was effective to generate the YAG: Ce phosphor nanoparticles.

Original languageEnglish
Pages (from-to)R63-R69
JournalECS Journal of Solid State Science and Technology
Volume7
Issue number6
DOIs
Publication statusPublished - 2018 Jan 1

Fingerprint

Laser ablation
Phosphors
Nanoparticles
Liquids
Suspensions
Lasers
Deionized water
Electron transitions
Luminescence
Photoluminescence
Particle size
yttrium-aluminum-garnet
Scanning electron microscopy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Properties of Ce3+ -doped Y3Al5O12 phosphor nanoparticles formed by laser ablation in liquid. / Koizumi, Hiroshi; Watabe, Junya; Sugiyama, Shin; Hirabayashi, Hideaki; Tokuno, Yoko; Wada, Hiroyuki; Homma, Tetsuya.

In: ECS Journal of Solid State Science and Technology, Vol. 7, No. 6, 01.01.2018, p. R63-R69.

Research output: Contribution to journalArticle

Koizumi, Hiroshi ; Watabe, Junya ; Sugiyama, Shin ; Hirabayashi, Hideaki ; Tokuno, Yoko ; Wada, Hiroyuki ; Homma, Tetsuya. / Properties of Ce3+ -doped Y3Al5O12 phosphor nanoparticles formed by laser ablation in liquid. In: ECS Journal of Solid State Science and Technology. 2018 ; Vol. 7, No. 6. pp. R63-R69.
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AU - Wada, Hiroyuki

AU - Homma, Tetsuya

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