Sol- Gel Synthesis and Luminescent Properties of ${Y_2}{SiO_5}:Ce$ Blue Phosphors

${Y_2}{SiO_5}:Ce$ 청색 형광체의 졸-겔 합성 및 발광특성

  • Lee, Jun (Display Phosphor Group, Korea Research Institute of Chemical Technology) ;
  • Han, Cheong-Hwa (Department of Chemistry, Halla University) ;
  • Park, Hee-Dong (Display Phosphor Group, Korea Research Institute of Chemical Technology) ;
  • Yun, Sock-Sung (Department of Chemistry, Chungnam National University)
  • 이준 (한국화학연구원 화학소재부) ;
  • 한정화 (한라대학교 교양과정부) ;
  • 박희동 (한국화학연구원 화학소재부) ;
  • 윤석승 (충남대학교 화학과)
  • Published : 2001.09.01


The $Y_2SiO_5:Ce$ phosphors were synthesized by sol-gel technique in order to improve the performance of blue emitting phosphors for field emission display(FED). The resulted$Y_2SiO_5:Ce$ phosphors enhanced the emission intensity. In addition, calcination temperature of sol-gel technique(1300~140$0^{\circ}C$) was lower than that of the solid state reaction(>1$600^{\circ}C$). Under 365 nm and low voltage electron excitations. $Ce^{3+}$ -activated $Y_2SiO_5$phosphors showed blue emission band with a range of 400~ 430nm. Especially, 2mol% $Ce^{3+}$ doped $Y_2SiO_5:Ce$phosphors showed the maximum emission intensity. We have also controlled drying temperature of wet gel, pH, and $H_2O$/TEOS molar ratio for the optimum condition of TEOS hydrolysis.


  1. B. Y. Seong, C. H. Han, H. D. Park and D. S. Kim, J. Kor. Ceram. Soc., 37(4), 337 (2001)
  2. L. C. Klein, Ann. Rev. Mater. Sci., 15, 227 (1985)
  3. J. Andriessen, O. T. Antonyak, P. Dorenbos, P. A. Rodnyi, G. B. Stryganyuk, C. W. E. van Eijk and A. S. Voloshinovskii, Opt. Commun, 178, 355 (2000)
  4. A. Meijerink, W. J. Schipper and G. Blasse, J. Phys. D:Appl. Phys., 24, 997 (1991)
  5. H. S. Kim, S. Nahm, M. H. Kim, K. S. Suh and J. D. Byun, Kor. J. Ceram., 3(4), 245 (1997)
  6. M. Marsman, J. Andriessen and C. W. E van Eijk,, Phys. Rev. B, 61(24), 16 477 (2000)
  7. C. H. Han, H. J. Kim and H. D. Park, J. Kor. Ceram. Soc., 35(3), 245, (1998)
  8. J. Lin, Q. Su, H. Zhang and S. Wang, Mat. Res.Bull., 2, 189 (1996)
  9. M. Wang, X. Fan, G and Xiong, J. Phys. Chem. Solids, 56(6), 859 (1995)
  10. E. Bielejec and E. Kisel, A. SiIversmith, J. Lumin., 72-74, 62 (1997)
  11. J. Lin, Q. Su, S. Wang and H. Zhang, J. Mat. Chem., 6(2), 265 (1996)
  12. I. F. Chang, J. W. Brownlow, T. I. Sun and J. S. Wilson, J. Electrochem. Soc., 136(11), 3532 (1989)
  13. D. G. Park, Polym. Sci. Technol., 8(3), 248 (1997)
  14. R. Y. Lee, F. L. Zhang, J. Penczek, B. K. Wagner, P. N. Yocom and C. J. Summers, J. Vac. Sci. Technol. B, 16(2), 855 (1998)
  15. B. G. Kim and E. Y. Hong, Chemword, 37(8), 29 (1997)