| 301 | 15 | 33 |
| 下载次数 | 被引频次 | 阅读次数 |
采用溶胶-凝胶法,通过选择合适的助熔剂、调整助熔剂添加比例等手段,制备了发光强度高、颗粒形貌良好的Zn2SiO4:Mn绿色荧光粉。结果表明:选择H3BO3作为助熔剂,经800℃预烧2h,900℃煅烧4h的二次煅烧,样品中形成了α-Zn2SiO4相,有效地控制了颗粒的形貌,并改善了发光性能。通过改变H3BO3的加入量,可控制颗粒形状和大小。光致发光测试表明:添加H3BO3作为助熔剂对Zn2SiO4:Mn的光谱未产生不利的影响,但添加助熔剂样品的发光强度较未添加助熔剂样品有很大的提高,且添加助熔剂样品的发光强度与商用荧光粉相当。
Abstract：Zn2SiO4:Mn green phosphor was synthesized by the sol-gel method. Phosphors with high emission intensity and good morphology were obtained by selecting the flux and adjusting the usage of flux. It was found that using H3BO3 as a flux, the samples calcined at 800 ℃ for 2 h and then at 900 ℃ for 4 h have high purity α-Zn2SiO2 phase forming. Both the particle morphology and luminescent intensity are improved by adjusting the dosage of the H3BO3 flux. The luminescent intensity of the prepared Zn2SiO4:Mn sample is similar to that of commercial products.
[1]郑传伟,张密林,董国军,等.等离子显示器用荧光粉[J].化工新型材料,2002,30(1):17–20.ZHENG Chuanwei,ZHANG Milin,DONG Guojun,et al.New Chem Mater(in Chinese),2002,30(1):15–18.
[2]曾宇乔,董岩,张超,等.PDP用Zn2SiO4:Mn绿粉的研究现状[J].江苏冶金,2003,31(6):4–6.ZENG Yuqiao,DONG Yan,ZHANG Chao,et al.Jiangsu Metall(in Chinese),2003,31(6):4–6.
[3]陶怡,李岚,王达健,等.PDP荧光粉的优化研究[J].天津理工大学学报,2005,21(4):76–79.TAO Yi,LI Lan,WANG Dajian,et al.J Tianjing Univ Technol(in Chinese),2005,21(4):76–79.
[4]SOHN Kee-Sun,CHO Bonghyun,CHANG Hyunju,et al.Effect of Co-doping on the Photoluminescence Behavior of Zn2SiO4:Mn phos-phors[J].J Electrochem Soc,1999,146(6):2353–2356.
[5]CHO Tae Hwan,CHANG Ho Jung.Preparation and characterizations of Zn2SiO4:Mn green phosphors[J].Ceram Int,2003,29:611–618.
[6]WANG Junxi,WANG Zhenghua,CHEN Xiangying,et al.Controlled synthesis and relationship between luminescent properties and shape/crystal structure of Zn2SiO4:Mn2+phosphors[J].J Lumin,2006,121(11):32–38.
[7]LEE Chang Hee,KANG Yun Chan,YOUL Kyong,et al.Phosphor layer formed from Zn2SiO4:Mn the phosphor particles with spherical shape and fine size[J].Mater Sci Eng B,2003,117:210–215.
[8]SREEKANTH CHAKRADHAR R P,NAGABHUSHANA B M,CHANDRAPPA G T,et al.Solution combustion derived nanocrystal-line Zn2SiO4:Mn phosphors:a spectroscopic view[J].J Chem Phys,2004,121(20):10250–10259.
[9]KANG Z T,LIU Y,WANGNER B K,et al.Luminescence properties of Mn2+doped Zn2SiO4phosphor films synthesized by combustion CVD[J].J Lumin,2006,121(2):595–600.
[10]TAKURO Miki,TAKUMI Ogawa,TETSUHIKO Isobe.Low-tempe-rature synthesis of nanosize Zn2SiO4:Mn2+phosphor from the precur-sor sol in supercritical ethanol and its photoluminescent properties[J].J Sol–Gel Sci Technol,2004,31:73–77.
[11]JIAO Huan,WEI Lingqi,ZHANG Na,et al.Melting salt assisted sol–gel synthesis of blue phosphor Y2SiO5:Ce[J].J Eur Ceram Soc,2007,27:185–189.
[12]焦桓,张娜,荆西平.低温合成颗粒形状规则的硅酸锌锰绿色荧光粉的方法[P].CN Patent,200710017267.2007–12–28.JIAO Huan,ZHANG Na,JING Xiping.The method of preparation of Zn2SiO4:Mn green phosphors with regular morphology particles at lower temperature(in Chinese).CN Patent,200710017267.2007–12–28.
[13]KONG D Y,YU M,LIN C K,et al.Sol–gel synthesis and characteriza-tion of Zn2SiO4:Mn2SiO4spherical core-shell particles[J].J Electro-chem Soc,2005,152(9):H146–H151.
基本信息:
中图分类号:O611.4
引用信息:
[1]武巧莉,张娜,扬千社,等.H_3BO_3对Zn_2SiO_4:Mn绿色荧光粉性能的影响[J].硅酸盐学报,2008,No.235(11):1660-1663.
基金信息:
陕西省科技攻关(2005K06–G18);; 陕西省自然科学基金(2004B31)资助项目
2008-11-15
2008-11-15