| 학회 | 한국재료학회 |
| 학술대회 | 2008년 가을 (11/07 ~ 11/07, 차세대융합기술연구원) |
| 권호 | 14권 2호 |
| 발표분야 | 전자재료 |
| 제목 | Photoluminescence of Li2ZnSiO4:Mn2+ Phosphor under Vacuum Ultraviolet Excitation |
| 초록 | Green emitting Zn2SiO4:Mn phosphor shows strong luminescence and high saturated color. But this phosphor has a relatively long decay time at the composition showing maximum emission intensity. It is possible to reduce the decay time by increasing the dopant content. There is, however, still a need for the improvement of emission intensity and decay behavior. In present work, Li2ZnSiO4:Mn2+ phosphors were synthesized by a conventional solid state reaction. The Li2ZnSiO4:Mn2+ composition is observed to exhibit green emission peaked at around 530 nm corresponding to 4T1→6A1 transition of Mn2+. The optimum Mn concentration in Li2Zn1-xSiO4:Mnx is x = 0.012, which is relatively low content compared to Zn2SiO4: Mn2+. In spite of low Mn2+ concentration, the decay time is similar to that of Zn2SiO4: Mn2+. On the other hand, the relative intensity of the Li2ZnSiO4:Mn2+ is about 90% of Zn2SiO4: Mn2+ green phosphor. |
| 저자 | 경현애1, 최성호1, 성태연2, 정하균1 |
| 소속 | 1한국화학(연), 2고려대 |
| 키워드 | Green phosphor; Photoluminescence |
