Synthesis, Luminescence, and Energy-Transfer Properties of beta-Na2Ca4(PO4)(2)(SiO4):A (A = Eu2+, Dy3+, Ce3+/Tb3+) Phosphors
文献类型：期刊论文
| 作者 | Li,Kai ; Shang,Mengmeng ; Geng,Dongling ; Lian,Hongzhou ; Zhang,Yang ; Fan,Jian ; Lin,Jun |
| 刊名 | inorganic chemistry
 |
| 出版日期 | 2014 |
| 卷号 | 53期号:13页码:6743-6751 |
| 关键词 | LIGHT-EMITTING-DIODES TUNABLE LUMINESCENCE WHITE-LEDS PHOTOLUMINESCENCE PROPERTIES COLOR UV TB3+ CE3+ MN2+ EU3+ |
| 通讯作者 | lin,j |
| 英文摘要 | a series of beta-na2ca4(po4)(2)(sio4) (beta-ncps):a (a = eu2+, dy3+, ce3+/tb3+) phosphors were prepared via a high-temperature solid-state reaction route. the x-ray diffraction, fourier transform infrared, photoluminescence (pl), cathodoluminescence (cl) properties, fluorescent lifetimes, and absolute quantum yield were exploited to characterize the samples. under uv radiation, the beta-ncps:eu2+ phosphors present bright green emissions, and the beta-ncps:ce3+ phosphors show strong blue emissions, which are attributed to their 4f(6)5d(1) -> 4f(7) and sd-4f allowed transitions, respectively. the beta-ncps:ce3+, tb3+ phosphors display intense tunable color from blue to green and high absolute quantum yields (81% for beta-ncps:0.12ce(3+) and 83% for beta-ncps:0.12ce(3+), 0.08tb(3+)) when excited at 365 nm. simultaneously, the energy transfer from ce3+ to tb3+ ions is deduced from the spectral overlap between ce3+ emission and tb3+ excitation spectra and demonstrated by the change of emission spectra and decay lifetimes. moreover, the energy-transfer mechanism from ce3+ to tb3+ ions is confirmed to be exchange interaction according to the discussion of expression from dexter and reisfeld. under a low-voltage electron-beam excitation, the beta-ncps:a (a = eu2+, dy3+, ce3+/tb3+) phosphors exhibit their characteristic emissions, and the emission profiles of beta-ncps:ce3+,tb3+ phosphors are obviously different from those of the pl spectra; this difference might be ascribed to their different luminescence mechanisms. these results in pl and cl properties suggest that beta-ncps:a (a = eu2+, dy3+, ce3+/tb3+) phosphors are potential candidates for solid-state lighting and field-emission displays. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2015-10-27 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/56203]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | Li,Kai,Shang,Mengmeng,Geng,Dongling,et al. Synthesis, Luminescence, and Energy-Transfer Properties of beta-Na2Ca4(PO4)(2)(SiO4):A (A = Eu2+, Dy3+, Ce3+/Tb3+) Phosphors[J]. inorganic chemistry,2014,53(13):6743-6751. |
| APA | Li,Kai.,Shang,Mengmeng.,Geng,Dongling.,Lian,Hongzhou.,Zhang,Yang.,...&Lin,Jun.(2014).Synthesis, Luminescence, and Energy-Transfer Properties of beta-Na2Ca4(PO4)(2)(SiO4):A (A = Eu2+, Dy3+, Ce3+/Tb3+) Phosphors.inorganic chemistry,53(13),6743-6751. |
| MLA | Li,Kai,et al."Synthesis, Luminescence, and Energy-Transfer Properties of beta-Na2Ca4(PO4)(2)(SiO4):A (A = Eu2+, Dy3+, Ce3+/Tb3+) Phosphors".inorganic chemistry 53.13(2014):6743-6751. |
入库方式： OAI收割
来源：长春应用化学研究所
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