Annealing effect on photoluminescence intensity of Eu-doped y 2O 3 nanocrystals

Jong Ho Park; Nam Gwon Back; Kyong Soo Hong; Chung Sik Kim; Dae Hwang Yoo; Min Gee Kwak; Jeong In Han; Jei Hong Sung; Byung Kee Moon; Hyo Jin Seo; Byung Chun Choi

Annealing effect on photoluminescence intensity of Eu-doped y ₂O ₃ nanocrystals

Jong Ho Park, Nam Gwon Back, Kyong Soo Hong, Chung Sik Kim, Dae Hwang Yoo, Min Gee Kwak, Jeong In Han, Jei Hong Sung, Byung Kee Moon, Hyo Jin Seo, Byung Chun Choi

Department of Chemical and Biochemical Engineering

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

We synthesized Y ₂O ₃ : Eu (15, 20, 25 wt%) nanoparticles by using the liquid-phase reaction method and studied their luminescence characteristic according to the amount of doped europium. The particle size and luminescence intensity of the synthesized nanocrystals annealed at 500 °C in air showed europium concentration dependence. We compared these nanocrystals with Y ₂O ₃ : Eu (20 wt%) annealed in oxygen at 500 °C. The nanocrystal annealed in oxygen showed a better luminescence characteristic and crystallinity. With these annealing conditions, the crystallinity and luminescence characteristic of the Y ₂O ₃ : Eu nanocrystals are improved.

Original language	English
Pages (from-to)	S368-S371
Journal	Journal of the Korean Physical Society
Volume	47
Issue number	SUPPL. 2
State	Published - Sep 2005

Keywords

Luminescence
Nanofabrications
Phosphors
Y O

Cite this

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title = "Annealing effect on photoluminescence intensity of Eu-doped y 2O 3 nanocrystals",

abstract = "We synthesized Y 2O 3 : Eu (15, 20, 25 wt%) nanoparticles by using the liquid-phase reaction method and studied their luminescence characteristic according to the amount of doped europium. The particle size and luminescence intensity of the synthesized nanocrystals annealed at 500 °C in air showed europium concentration dependence. We compared these nanocrystals with Y 2O 3 : Eu (20 wt%) annealed in oxygen at 500 °C. The nanocrystal annealed in oxygen showed a better luminescence characteristic and crystallinity. With these annealing conditions, the crystallinity and luminescence characteristic of the Y 2O 3 : Eu nanocrystals are improved.",

keywords = "Luminescence, Nanofabrications, Phosphors, Y O",

author = "Park, {Jong Ho} and Back, {Nam Gwon} and Hong, {Kyong Soo} and Kim, {Chung Sik} and Yoo, {Dae Hwang} and Kwak, {Min Gee} and Han, {Jeong In} and Sung, {Jei Hong} and Moon, {Byung Kee} and Seo, {Hyo Jin} and Choi, {Byung Chun}",

year = "2005",

month = sep,

language = "English",

volume = "47",

pages = "S368--S371",

journal = "Journal of the Korean Physical Society",

issn = "0374-4884",

publisher = "Korean Physical Society",

number = "SUPPL. 2",

}

TY - JOUR

T1 - Annealing effect on photoluminescence intensity of Eu-doped y 2O 3 nanocrystals

AU - Park, Jong Ho

AU - Back, Nam Gwon

AU - Hong, Kyong Soo

AU - Kim, Chung Sik

AU - Yoo, Dae Hwang

AU - Kwak, Min Gee

AU - Han, Jeong In

AU - Sung, Jei Hong

AU - Moon, Byung Kee

AU - Seo, Hyo Jin

AU - Choi, Byung Chun

PY - 2005/9

Y1 - 2005/9

N2 - We synthesized Y 2O 3 : Eu (15, 20, 25 wt%) nanoparticles by using the liquid-phase reaction method and studied their luminescence characteristic according to the amount of doped europium. The particle size and luminescence intensity of the synthesized nanocrystals annealed at 500 °C in air showed europium concentration dependence. We compared these nanocrystals with Y 2O 3 : Eu (20 wt%) annealed in oxygen at 500 °C. The nanocrystal annealed in oxygen showed a better luminescence characteristic and crystallinity. With these annealing conditions, the crystallinity and luminescence characteristic of the Y 2O 3 : Eu nanocrystals are improved.

AB - We synthesized Y 2O 3 : Eu (15, 20, 25 wt%) nanoparticles by using the liquid-phase reaction method and studied their luminescence characteristic according to the amount of doped europium. The particle size and luminescence intensity of the synthesized nanocrystals annealed at 500 °C in air showed europium concentration dependence. We compared these nanocrystals with Y 2O 3 : Eu (20 wt%) annealed in oxygen at 500 °C. The nanocrystal annealed in oxygen showed a better luminescence characteristic and crystallinity. With these annealing conditions, the crystallinity and luminescence characteristic of the Y 2O 3 : Eu nanocrystals are improved.

KW - Luminescence

KW - Nanofabrications

KW - Phosphors

KW - Y O

UR - http://www.scopus.com/inward/record.url?scp=27444447169&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:27444447169

SN - 0374-4884

VL - 47

SP - S368-S371

JO - Journal of the Korean Physical Society

JF - Journal of the Korean Physical Society

IS - SUPPL. 2

ER -

Annealing effect on photoluminescence intensity of Eu-doped y ₂O ₃ nanocrystals

Abstract

Keywords

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