착체중합법을 이용한 SrAl2O4: Eu2+, Dy3+ 축광성 형광체의 합성

김태호; 황해진; 김진호; 황광택; 한규성; Tae-Ho Kim; Hae-Jin Hwang; Jin-Ho Kim; Kwang-Taek Hwang; Kyu-Sung Han

Korean Journal of Materials Research, Vol.26, No.10, 561-569, October, 2016

DOI10.3740/MRSK.2016.26.10.561 Export Citation

착체중합법을 이용한 SrAl2O4: Eu2+, Dy3+ 축광성 형광체의 합성

Synthesis and Characteristics of SrAl2O4: Eu2+, Dy3+ Long Afterglow Phosphors by Polymerized Complex Method

김태호^{1, 2}, 황해진², 김진호¹, 황광택¹, 한규성^{1, †}

¹한국세라믹기술원
²인하대학교 신소재공학부

Tae-Ho Kim^{1, 2}, Hae-Jin Hwang², Jin-Ho Kim^{1, 3}, Kwang-Taek Hwang^{1, 3}, and Kyu-Sung Han^{1, 3, †}

¹Icheon Branch, Korea Institute of Ceramic Engineering & Technology (KICET), Icheon 17303, Republic of Korea
²School of Material Science and Engineering, Inha University, Incheon 22212, Republic of Korea
³, Korea

E-mail:

SrAl2O4: Eu2+ and Dy3+ phosphorescent phosphors were synthesized using the polymerized complex method. Generally, phosphorescent phosphors synthesized by conventional solid state reaction show a micro-sized particle diameter; thus, this process is restricted to applications such as phosphorescent ink and paint. However, it is possible to synthesize homogeneous multi-component powders with fine particle diameter by wet process such as the polymerized complex method. The characteristics of SrAl2O4: Eu2+ and Dy3+ powders prepared by polymerized complex method with one and two step calcination processes were comparatively analyzed. Temperatures of organic material removal and crystallization were observed through TG-DTA analysis. The crystalline phase and crystallite size of the SrAl2O4: Eu2+ and Dy3+ phosphorescent phosphors were analyzed by XRD. Microstructures and afterglow characteristics of the SrAl2O4: Eu2+ and Dy3+ phosphors were measured by SEM and spectrofluorometry, respectively.

Keywords:SrAl2O4: Eu2+;Dy3+;phosphorescence;long afterglow phosphor;polymerized complex method;raw material

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[8] Yu YT, Kim BG, Nam CW, Korean J. Mater. Res., 8, 11 (1998)

[9] Park WJ, Yoon SG, Yoon DH, J. Electroceram., 17, 41 (2006)

[10] Pandey A, Rai VK, J. Chem. Soc.-Dalton Trans., 42, 11005 (2013)

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