Color-Tunable Luminescence of Y4Si2N2O7:Ce3+, Tb3+, Dy3+ Phosphors Prepared by the Soft-Chemical Ammonolysis Method
文献类型：期刊论文
| 作者 | Geng,Dongling ; Li,Kai ; Lian,Hongzhou ; Shang,Mengmeng ; Zhang,Yang ; Wu,Zhijian ; Lin,Jun |
| 刊名 | european journal of inorganic chemistry
 |
| 出版日期 | 2014 |
| 期号 | 11页码:1955-1964 |
| 关键词 | LIGHT-EMITTING-DIODES INITIO MOLECULAR-DYNAMICS TOTAL-ENERGY CALCULATIONS SOL-GEL PROCESS WAVE BASIS-SET WHITE-LIGHT PHOTOLUMINESCENCE PROPERTIES OPTICAL-PROPERTIES CRYSTAL-STRUCTURE CATHODOLUMINESCENT PROPERTIES |
| 通讯作者 | lin,j |
| 英文摘要 | ce3+-, tb3+-, and dy3+-activated y4si2n2o7 phosphors have been prepared by the pechini-type sol-gel method followed by ammonolysis of the precursors. the phase purity, morphology, crystallization condition, chemical composition, and thermal stability of the products have been studied carefully by x-ray diffraction (xrd), energy-dispersive x-ray (edx), scanning electron microscopy (sem), high-resolution transmission electron microscopy (hrtem), fourier-transform infrared (ftir), and thermogravimetry analysis (tga) techniques. the photoluminescence (pl) and cathodoluminescence (cl) properties of ce3+-, tb3+-, and dy3+-doped y4si2n2o7 phosphors were also investigated. the electronic structure of y4si2n2o7 has been investigated by density-functional theory methods. the calculations revealed that the nitrogen atom contributes more excited electrons than the o atom. the band gap has been calculated through the reflection spectrum of the y4si2n2o7 host. for ce3+/tb3+/dy3+ singly doped y4si2n2o7 products, the phosphors give the typical emissions of the activators. the energy transfers from ce3+ to tb3+ and dy3+ ions have been found and demonstrated through the pl spectra and luminescence decay times. the emission color of y4si2n2o7:ce3+, tb3+ and y4si2n2o7:ce3+, dy3+ samples can be tuned by energy transfer processes. additionally, the temperature-dependent pl properties and the degradation property of cl under continuous electron bombardment of the as-synthesized phosphors prove that the y4si2n2o7 host has good stability. therefore, the y4si2n2o7:ce3+, tb3+, dy3+ phosphors could serve as a promising candidate for uv w-leds and feds. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2015-10-27 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/57391]  |
| 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,Dongling,Li,Kai,Lian,Hongzhou,et al. Color-Tunable Luminescence of Y4Si2N2O7:Ce3+, Tb3+, Dy3+ Phosphors Prepared by the Soft-Chemical Ammonolysis Method[J]. european journal of inorganic chemistry,2014(11):1955-1964. |
| APA | Geng,Dongling.,Li,Kai.,Lian,Hongzhou.,Shang,Mengmeng.,Zhang,Yang.,...&Lin,Jun.(2014).Color-Tunable Luminescence of Y4Si2N2O7:Ce3+, Tb3+, Dy3+ Phosphors Prepared by the Soft-Chemical Ammonolysis Method.european journal of inorganic chemistry(11),1955-1964. |
| MLA | Geng,Dongling,et al."Color-Tunable Luminescence of Y4Si2N2O7:Ce3+, Tb3+, Dy3+ Phosphors Prepared by the Soft-Chemical Ammonolysis Method".european journal of inorganic chemistry .11(2014):1955-1964. |
入库方式： OAI收割
来源：长春应用化学研究所
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