DOI QR코드

DOI QR Code

Synthesis and Photo Luminescent Characteristics of SrAl2O4:Eu2+,Dy3+ Phosphor using Polymer Matrix

폴리머 매트릭스를 전구체로 사용한 SrAl2O4:Eu2+,Dy3+ 축광성 형광체의 합성 및 형광 특성

  • 김수종 (한라대학교 신소재화학공학과) ;
  • 권혁실 (한라대학교 신소재화학공학과)
  • Published : 2007.08.01

Abstract

[ $SrAl_2O_4:Eu^{2+},\;Dy^{3+}$ ] phosphor was synthesized using the impregnation method, and its photoluminescence and long-afterglow properties were investigated, A mixture of $Sr(NO_3)_2,\;Al(NO_3)_2\;9H_2O,\;EuCl_3\;6H_2O,\;DyCl_3\;6H_2O,\;NdCl_3\;6H_2O$ salts were dissolved in distilled water and impregnating into the polymer precursor. After drying, the impregnated mixture was heat treated at $900-1400^{\circ}C$ for 2h in a $N_2-H_2$ reduction atmosphere. The microstructure and crystal structure of the $SrAl_2O_4:Eu^{2+},\;Dy^{3+}$ powders were examined by scanning electron microscopy and X-ray diffraction, respectively. The photoluminescence spectra showed an excitation band along over wide wavelength of 250-450nm, and a broaden emission with a maxima peak at 360nm. In addition, the spectra also showed a good long after glow that decayed over a 1000sec period after 10 min excitation illumination.

References

  1. M. S. Hur, 'The effect of photoluminescence exit path markings m evacuation from buildings', 한국방재학회논문집, 5권, 3호, p. 67, 2005
  2. S. Shirakura, K. Toda, Y. Imanari, T. Nogogawa, K. Uematsu, M. sato, Y. Nishisu, and M. Kobayashi, 'Sol-gel synthesis of long persistent phosphor $Sr_2MgSi_2O_7:Eu$, Dy thin film', Vol. 113, No. 7, p. 484, 2005 https://doi.org/10.2109/jcersj.113.484
  3. 무라야마 요시히꼬, 다께우치 노부요시, 아오끼 야스미쓰, 마쓰자와다까시, '축광성형광체', 대한민국특허, 특0145246, 1998
  4. C. S. Jang, K. K. Oh, and C. K. Lee, 'The study of photoluminscence on willemite phosphor', J. Kor. Ceram. Soc., Vol. 21, No. 3, p. 245, 1984
  5. T. Matsumata, T. Nabae, K. Sasajima, S. Komuro, and T. Morioka, 'Effects on composition on the long phosphorescent $SrAl_2O_4:Eu$, Dy phosphor crystals', J. Electrochem. Soc., Vol. 144, No. 9, p. L243, 1997 https://doi.org/10.1149/1.1837931
  6. W. Minguam, D. Wang, and L. Guanglie, 'Research on fluorescence spectra and structure of single-phase $4SrO_7Al_2O_3:Eu^{2+}$ phosphor prepared by solid-state reaction method', J. Mater. Sci. & Eng., Vol. B57, p. 18, 1998
  7. Y. S. Yang, J. S. Park, and B. K. Kim, 'Preparation of long phosphorescent phosphor $SrAl_2O_4:Eu$, Dy by pyrophoric synthesis method', J. Kor. Ind. Eng. Chem., Vol. 13, No. 1, p. 93, 2002
  8. S. H. Kim, K. B. Shim, E. T. Kang, D. S. Cheong, and C. S. Kim, 'Luminescence property of $SrAl_2O_4:Eu$ powder prepared by the polymerized complex method', J. Kor. Ind. Eng. Chem., Vol, 39, No. 1, p. 33, 2002
  9. W. S. Park, S. J. Kim, and J. S. Kim, 'Hydrothermal synthesis of ultra-fine $SrAl_2O_4:Eu$ powders and investigation of their photoluminesecent characteristics', J. Kor. Ceram. Soc., Vol. 41, No. 5, p. 370, 2004 https://doi.org/10.4191/KCERS.2004.41.5.370
  10. K. J. Choi, J. K. Park, K. N. Kim, C. H. Kim, and H. K. Kim, 'Luminescence characteristics of $Sr_3MgSi_2O_8:Eu$ blue phosphor for light emitting diodes', J. Kor. Ceram. Soc., Vol. 41, No. 8, p. 573, 2004 https://doi.org/10.4191/KCERS.2004.41.8.573
  11. J. W. Park and J. S. Kim, 'Synthesis and photoluminescence of the $Sr_{1-x}Ba_xAl_2O_4:Eu^{2+}$, Dy' long phosphorescence phosphor', J. Kor. Ceram. Soc., Vol. 43, No. 6, p. 333, 2006 https://doi.org/10.4191/KCERS.2006.43.6.333
  12. J. I. Ahn, C. H. Han, and H. D. Park, 'Luminescence properties of $Zn_2SiO_4:Mn$, (M=Cr, Ti) green phosphors prepared by sol-gel method', J. Kor. Ceram. Soc., Vol. 40, No. 7, p. 637, 2003 https://doi.org/10.4191/KCERS.2003.40.7.637
  13. S. H. Shim and T. H. Cho, 'Preparation and properties of $Eu^{3+}$ doped $Y_2O_3$ nanoparticles with a solvothermal synthesis using the ethylene glycol', J. Kor. Ceram. Soc., Vol. 40, No. 7, p. 709, 2003 https://doi.org/10.4191/KCERS.2003.40.7.709
  14. H. J. Kim and J. H. Park, 'Crystalizayion of $SrAl_2O_4$ synthesized by the polymerized complex metghod', J. Kor. Ceram. Soc., Vol. 41, No. 6, p. 439, 2004 https://doi.org/10.4191/KCERS.2004.41.6.439
  15. T. Masaki, S. J. Kim, H. Watanabe, K. Miyamoto, M. Ohno, and K. H. Kim, 'Synthesis of nanosized ZnO powders prepared by precursor process', J. Ceram. Proc. Res., Vol. 4, No. 3, p. 135, 2003
  16. S. J. Kim, 'Precursor process designing to synthesis nann-sized phorphos', Trans. Elec. Electro. Mat., Vol. 7, No. 1, p. 26, 2006 https://doi.org/10.4313/TEEM.2006.7.1.026
  17. T. Masaki, S. J. Kim, H. Watanabe, K. Miyamoto, and M. Ohno, 'Synthesis of electro conductive nanosized ZnO powders', Adv. In Tech. of Mat. and Mat. Proc. J(ATM), Vol. 6, No. 1, p. 7, 2004
  18. Y. K. Lee, J. Y. Kim, B. G. Kim, and Y. T. Yu, 'Synthesis and after-glow characteristics of Eu activated Sr-Al-O long phosphorescent phosphor', Korean J. of. Mat. Res., Vol. 8, No. 8, p. 737, 1998
  19. H. Takasaki, S. Tanabe, and T. Hanada, 'Long-lasting afterglow characteristics of Eu, Dy doped $SrO-Al_2O_3$ phosphor', J. Ceramic. Soc., Vol. 104, p. 322, 1996 https://doi.org/10.2109/jcersj.104.322
  20. T. Katsumata, T. Nabae, K. Sasajima, S. Komuro, and. T. Morikawa, 'Effects of compositionon the long phosphorescent $SrAl_2O_4:Eu^{2+},Dy^{3+}$ phosphor crystals', J. Electrochem. Soc., Vol. 144, No. 9, p. 243, 1997 https://doi.org/10.1149/1.1837392

Cited by

  1. Preparation of Nano-sized Zirconia Powders by the Impregnation Method vol.49, pp.5, 2012, https://doi.org/10.4191/kcers.2012.49.5.454
  2. Preparation of Nano-sized Titanium Oxide Powder Using Natural Polymer Matrix vol.50, pp.6, 2013, https://doi.org/10.4191/kcers.2013.50.6.489