One-step synthesis of the green phosphor Ce-Tb-Mg-Al-O system with spherical particle shape and fine size

Y. C. Kang; I. W. Lenggoro; S. B. Park; K. Okuyama

doi:10.1007/s003390000594

One-step synthesis of the green phosphor Ce-Tb-Mg-Al-O system with spherical particle shape and fine size

Y. C. Kang, I. W. Lenggoro, S. B. Park, K. Okuyama

Research output: Contribution to journal › Article

13 Citations (Scopus)

Abstract

Spray pyrolysis method was applied to the preparation of Ce_0.6Tb_0.4MgAl₁₁O₁₉ green phosphor particles. The characteristics of as-prepared particles such as photoluminescence, crystallinity, and morphology were compared with those of post-treated particles. The as-prepared particles at 1700°C had higher crystallinity and photoluminescence properties compared with those of post-treated particles. The morphology of as-prepared particles obtained at low temperatures changed from spherical shape to plate-like shape after post-treatment at 1400°C for 3 h. The particles directly prepared at 1700°C had the mean size of 0.7 μm and non-aggregation characteristics. This study has demonstrated that without post-treatment processing/annealing, spherical phosphor particles having complex composition could be prepared by a one-step synthesis.

Original language	English
Pages (from-to)	103-105
Number of pages	3
Journal	Applied Physics A: Materials Science and Processing
Volume	72
Issue number	1
DOIs	https://doi.org/10.1007/s003390000594
Publication status	Published - 2001 Jan
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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title = "One-step synthesis of the green phosphor Ce-Tb-Mg-Al-O system with spherical particle shape and fine size",

abstract = "Spray pyrolysis method was applied to the preparation of Ce0.6Tb0.4MgAl11O19 green phosphor particles. The characteristics of as-prepared particles such as photoluminescence, crystallinity, and morphology were compared with those of post-treated particles. The as-prepared particles at 1700°C had higher crystallinity and photoluminescence properties compared with those of post-treated particles. The morphology of as-prepared particles obtained at low temperatures changed from spherical shape to plate-like shape after post-treatment at 1400°C for 3 h. The particles directly prepared at 1700°C had the mean size of 0.7 μm and non-aggregation characteristics. This study has demonstrated that without post-treatment processing/annealing, spherical phosphor particles having complex composition could be prepared by a one-step synthesis.",

author = "Kang, {Y. C.} and Lenggoro, {I. W.} and Park, {S. B.} and K. Okuyama",

year = "2001",

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AU - Kang, Y. C.

AU - Lenggoro, I. W.

AU - Park, S. B.

AU - Okuyama, K.

PY - 2001/1

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N2 - Spray pyrolysis method was applied to the preparation of Ce0.6Tb0.4MgAl11O19 green phosphor particles. The characteristics of as-prepared particles such as photoluminescence, crystallinity, and morphology were compared with those of post-treated particles. The as-prepared particles at 1700°C had higher crystallinity and photoluminescence properties compared with those of post-treated particles. The morphology of as-prepared particles obtained at low temperatures changed from spherical shape to plate-like shape after post-treatment at 1400°C for 3 h. The particles directly prepared at 1700°C had the mean size of 0.7 μm and non-aggregation characteristics. This study has demonstrated that without post-treatment processing/annealing, spherical phosphor particles having complex composition could be prepared by a one-step synthesis.

AB - Spray pyrolysis method was applied to the preparation of Ce0.6Tb0.4MgAl11O19 green phosphor particles. The characteristics of as-prepared particles such as photoluminescence, crystallinity, and morphology were compared with those of post-treated particles. The as-prepared particles at 1700°C had higher crystallinity and photoluminescence properties compared with those of post-treated particles. The morphology of as-prepared particles obtained at low temperatures changed from spherical shape to plate-like shape after post-treatment at 1400°C for 3 h. The particles directly prepared at 1700°C had the mean size of 0.7 μm and non-aggregation characteristics. This study has demonstrated that without post-treatment processing/annealing, spherical phosphor particles having complex composition could be prepared by a one-step synthesis.

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