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

Yun Chan 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

Yun Chan 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 1
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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Kang, Y. C., Lenggoro, I. W., Park, S. B., & Okuyama, K. (2001). One-step synthesis of the green phosphor Ce-Tb-Mg-Al-O system with spherical particle shape and fine size. Applied Physics A: Materials Science and Processing, 72(1), 103-105. https://doi.org/10.1007/s003390000594

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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.",

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AU - Kang, Yun Chan

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AU - Okuyama, K.

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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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