Luminescence properties of a new Tb3+ ion activated long persistent phosphor (새로운 Tb3+ 이온 활성 축광성 형광체의 발광 특성)

박병석; Jong Geon Choi (최종건)

Luminescence properties of a new Tb3+ ion activated long persistent phosphor

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2009, 19(3), pp.130-134
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering

박병석 ¹, Jong Geon Choi ¹

¹동신대학교

Accredited

ABSTRACT

A new long persistent phosphors of CaZrO3 was synthesized at high temperature with weak reduction atmosphere by a traditional solid state reaction method. Photoluminescence spectra analysis showed that the CaZrO3 doped with Tb3+ emitted green-yellow emission caused by the energy level transition from the 5D3 and 5D4 to 7F1~7F6. The main emission spectra of 542 nm peak by the 5D4→7F5 transition was revealed through synthesizing at high temperature in N2 gas atmosphere. The afterglow emission spectra of CaZrO3 : Tb3+ long persistent phosphores arise at 546 nm peak of narrow range. After the 254 nm ultraviolet light excitation source was switched off, the green-yellow long persistent phosphor can be observed which could last for 8 h in the limit of light perception of dark-adapted human eyes (0.32 mcd/m2).

KEYWORDS

Luminescence, CaZrO3, Tb 3+, Electron trap center, Afterglow

Citation status

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

[journal] C. Chang / 2004 / Long lasting phosphorescence of Sr4Al14O25 : Eu 2+ , Dy 3+ thin films by magnetron sputtering / Thin Sol. Fil. 460 : 48~

[journal] T. Aitasalo / 2001 / Mechanisms of persistent luminescence in Eu 2+ , RE3+ doped alkaline earth aluminates / J. Lumin. 94 : 60~

[journal] K. Kato / 1999 / Thermoluminescence properties of SrAl2O4 : Eu sputtered films with long phosphorescence / J. Lumi. 82 : 213~

[journal] Y. Kamiyanagi / 2007 / Temperature dependence of long-lasting afterglow in SrAl2O4 : Eu, Dy phosphor / J. Lumin. 122 : 509~511

[journal] D. Jia / 2003 / Charging curves and excitation spectrum of long persistent phosphor SrAl2O4 : Eu 2+, Dy3+ / Opt.Mat. 22 : 65~

[journal] R. Pang / 2009 / Luminescent properties of a new blue long-lasting phosphor Ca2P2O7 :Eu2+, Y3+ / Mat. Chem. Phy. 113 : 215~

[journal] R. Pang / 2008 / Blue long lasting phosphorescence of Tm3+ in zinc pyrophosphate phosphor / J. All. Com. 471 : 364~

[journal] Y. Xu / 2007 / Combustion synthesis and photoluminescence of Sr2MgSi2O7 : Eu, Dy long lasting phosphor nanoparticles / Cera. Inter. 34 : 2117~

[journal] Z. Wang / 2007 / Tunable afterglow color in Eu 2+ , and Dy 3+ co-activated alkaline earth feldspar solid solutions phosphors / J. Lumi. 127 : 140~

[journal] 박병석 / 2008 / Synthesis and luminescent properties of a new green CaZrO₃: Ho³+long persistent phosphors / 한국결정성장학회지 / 한국결정성장학회 18(3) : 109~114

[journal] 황구현 / 2008 / A study on the luminescence characterization of red long persistent phosphors by the B₂O₃ addition / 한국결정성장학회지 / 한국결정성장학회 18(1) : 22~26

[journal] 박병석 / 2008 / Synthesis and luminescent properties of Er³+ doped CaZrO₃long persistent phosphors / 한국결정성장학회지 / 한국결정성장학회 18(1) : 27~32

[journal] N.L. Ross / 2003 / Compressibility of CaZrO3 perovskite: Comparison with Ca-oxide perovskites / J. Solid Sta. Chem. 172 : 124~

[journal] H. Yang / 2008 / Energy transfer-based spectral properties of Tb-, Pr-, or Sm-codoped YAG : Ce nanocrystalline phosphors / J. Lumi. 128 : 1572~

[journal] Shannon / 1976 / Shannon ionic radii / Acta Cryst. 32A : 751~

KJCKorea
Journal Central

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