Temperature dependent luminescence and energy transfer properties of Na2SrMg(PO4)(2):Eu2+, Mn2+ phosphors
文献类型：期刊论文
| 作者 | Geng DL ; Shang MM ; Zhang Y ; Lian HZ ; Lin J |
| 刊名 | dalton transactions
 |
| 出版日期 | 2013 |
| 卷号 | 42期号:43页码:15372-15380 |
| 关键词 | LIGHT-EMITTING-DIODES CRYSTAL-STRUCTURE WHITE-LIGHT EMISSION PROPERTIES M BA EU2+ EFFICIENT TB3+ RED LEDS |
| ISSN号 | 1477-9226 |
| 通讯作者 | lin j |
| 中文摘要 | eu2+ singly and eu2+/mn2+ co-doped na2srmg(po4)(2) (nsmp) phosphors have been prepared via a high-temperature solid-state reaction process. upon uv excitation of 260-360 nm, the nsmp:xeu(2+) phosphors exhibit a violet band located at 399 nm and a blue band centered at 445 nm, which originate from eu2+ ions occupying two different crystallographic sites: eu2+(i) and eu2+(ii), respectively. excitation wavelengths longer than 380 nm can selectively excite eu2+(ii) to emit blue light. energy transfer processes in the eu2+(i)-eu2+(ii) and eu2+-mn2+ pairs have been observed and investigated by luminescence spectra and decay curves. the emission color of as-prepared samples can be tuned by changing the relative concentrations of eu2+ and mn2+ ions and adjusting the excitation wavelength. under uv excitation of 323 nm, the absolute quantum yield of nsmp:0.005eu(2+) is 91%, which is higher than most of the other eu2+-doped phosphors reported previously. the temperature dependent luminescence properties and decay curves (4.3-450 k) of nsmp:eu2+ and nsmp:eu2+, mn2+ phosphors have been studied in detail. thermal quenching of eu2+ has been observed while the emission band of mn2+ shows a blue-shift and an abnormal increase of intensity with increasing temperature. the unusual thermal quenching behavior indicates that the nsmp compound can serve as a good lattice host for mn2+ ions which can be used as a red-emitting phosphor. additionally, the lifetimes for eu2+(i) and eu2+(ii) increase with increasing temperatures. |
| 收录类别 | SCI收录期刊论文 |
| 语种 | 英语 |
| WOS记录号 | WOS:000325944000017 |
| 公开日期 | 2014-04-16 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/50153]  |
| 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 | Geng DL,Shang MM,Zhang Y,et al. Temperature dependent luminescence and energy transfer properties of Na2SrMg(PO4)(2):Eu2+, Mn2+ phosphors[J]. dalton transactions,2013,42(43):15372-15380. |
| APA | Geng DL,Shang MM,Zhang Y,Lian HZ,&Lin J.(2013).Temperature dependent luminescence and energy transfer properties of Na2SrMg(PO4)(2):Eu2+, Mn2+ phosphors.dalton transactions,42(43),15372-15380. |
| MLA | Geng DL,et al."Temperature dependent luminescence and energy transfer properties of Na2SrMg(PO4)(2):Eu2+, Mn2+ phosphors".dalton transactions 42.43(2013):15372-15380. |
入库方式： OAI收割
来源：长春应用化学研究所
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