采用凝胶网格共沉淀法,以明胶为反应基质制备了单分散球形纳米Y2O3 :Eu3+荧光粉,考察了制备条件对产物粒径的影响.利用X射线衍射(XRD)、透射电子显微镜(TEM)和荧光光谱等手段对样品进行了表征.结果表明:该法制得产物为球形,一次晶粒粒径在13 nm～25 nm之间,且粒度分布均匀,与微米晶相比,该纳米晶的激发光谱发生明显红移.
参考文献
| [1] | Jing X;Ireland T;Gibbons C et al.Control of Y2O3:Eu3+ Spherical Particle Phosphor Size, Assembly Properties, and Performance for FED and HDTV[J].Journal of the Electrochemical Society,1999,146(12):4654-4658. |
| [2] | Kim C.H.;Kwon I.E. .Phosphors for plasma display panels[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2000(1):33-39. |
| [3] | Cho S.H.;Kwon S.H. .Cathodoluminescent Characteristics of a Spherical Y_2O_3:Eu Phosphor Screen for Field Emission Display Application[J].Journal of the Electrochemical Society,2000(8):3143-3147. |
| [4] | Lee MH.;Yi SC.;Oh SG. .Preparation of Eu-doped Y2O3 luminescent nanoparticles in nonionic reverse microemulsions[J].Journal of Colloid and Interface Science,2000(1):65-70. |
| [5] | Tissue BM.;Yuan HB. .Structure, particle size, and annealing of gas phase-condensed Eu3+: Y2O3 nanophosphors[J].International Journal of Quantum Chemistry,2003(1/2):12-18. |
| [6] | Davolos MR.;Feliciano S.;Pires AM.;Marques RFC.;Jafelicci M. .Solvothermal method to obtain europium-doped yttrium oxide[J].International Journal of Quantum Chemistry,2003(1/2):268-272. |
| [7] | Gun Young Hong;Byung Soo Jeon;Young Kil Yoo .Photoluminescence Characteristics of Spherical Y_2O_3:Eu Phosphors by Aerosol Pyrolysis[J].Journal of the Electrochemical Society,2001(11):H161-H166. |
| [8] | Tao Y;Zhao G W;Zhang W P et al.Combustion Synthesis and Photoluminescence of Naocrystalline Y2O3:Eu Phosphor[J].Materials Research Bulletin,1997,32(05):501-506. |
| [9] | Zhai Yongqing;Yao Zihua;Ding Shiwen .Synthesis and characterization of Y_2O_3: Eu nanopowder via EDTA complexing sol-gel process[J].Materials Letters,2003(19):2901-2906. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%