Characteristics and thermal stability of SrAl2O4: Eu 2+ , Dy 3+ long afterglow phosphors synthesized solid state reaction and polymerized complex method (고상반응법과 착체중합법으로 합성된 SrAl2O4: Eu 2+ , Dy 3+ 축광성 형광체의 특성 및 열적 안정성 평가)

Tae-Ho Kim (김태호); HAE JIN HWANG (황해진); Jin-Ho Kim (김진호); Kwangtaek Hwang (황광택); Han Kyu Sung (한규성)

doi:10.6111/JKCGCT.2016.26.5.193

Characteristics and thermal stability of SrAl2O4: Eu 2+ , Dy 3+ long afterglow phosphors synthesized solid state reaction and polymerized complex method

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2016, 26(5), pp.193-200
DOI : 10.6111/JKCGCT.2016.26.5.193
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering
Published : October 31, 2016

Tae-Ho Kim ¹, HAE JIN HWANG ², Jin-Ho Kim ¹, Kwangtaek Hwang ³, Han Kyu Sung ³

¹한국세라믹기술원 이천분원
²인하대학교
³한국세라믹기술원

Accredited

ABSTRACT

Characteristics of SrAl2O4: Eu2+, Dy3+ phosphorescent phosphors synthesized by solid state reaction and polymerized complex method were comparatively analyzed. In order to evaluate thermal stability of SrAl2O4: Eu2+, Dy3+ phosphorescent phosphors at high temperature, phosphorescent properties of SrAl2O4: Eu2+, Dy3+ were investigated with thermal treatment at 1250oC under reducing atmosphere, which was the general heat treatment conditions for ceramic manufacturing process. The phosphorescent properties of thermally treated SrAl2O4: Eu2+, Dy3+ phosphors synthesized by solid state reaction and polymerized complex method were investigated. The crystal structure and crystallite size were observed through XRD analysis. Microstructure and particle size of thermally treated SrAl2O4: Eu2+, Dy3+ phosphors were analyzed by SEM and PSA. Photoluminescence and afterglow characteristics of thermally treated SrAl2O4: Eu2+, Dy3+ phosphorescent phosphors were measured by spectrofluorometer.

KEYWORDS

SrAl2O4: Eu2+, Dy3+, Phosphorescence, Thermal stability, Long afterglow phosphor, Raw material

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Characteristics and thermal stability of SrAl2O4: Eu 2+ , Dy 3+ long afterglow phosphors synthesized solid state reaction and polymerized complex method

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* References for papers published after 2023 are currently being built.

Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Characteristics and thermal stability of SrAl2O4: Eu 2+ , Dy 3+ long afterglow phosphors synthesized solid state reaction and polymerized complex method

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