无机材料学报 ›› 2018, Vol. 33 ›› Issue (6): 673-677.DOI: 10.15541/jim20170347

• • 上一篇    下一篇

Ni2+掺杂尖晶石相透明微晶玻璃制备及光学性能

焦志伟1, 段翠翠1, 周伟1, 刘峰斌1, 杨越1, 赵攀1,2, 项俊帆1   

  1. 1. 北方工业大学 机械与材料工程学院, 北京 100144;
    2. 北京化工大学 材料科学与工程学院, 北京 100029;
  • 收稿日期:2017-07-20 修回日期:2017-11-15 出版日期:2018-06-20 网络出版日期:2018-05-24
  • 基金资助:
    北京市教委面上项目(KM201610009005);国家自然科学基金(51575004);北京市自然科学基金(3162010)

Preparation and Infrared Luminescence of Transparent Ni2+-doped ZMAS Glass-ceramics

JIAO Zhi-Wei1, DUAN Cui-Cui1, ZHOU Wei1, LIU Feng-Bin1, YANG Yue1, ZHAO Pan1,2, XIANG Jun-Fan1   

  1. 1. School of Mechanical and Material Engineering, North China University of Technology, Beijing 100144, China;
    2. Shool of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China;
  • Received:2017-07-20 Revised:2017-11-15 Published:2018-06-20 Online:2018-05-24
  • Supported by:
    General Program of Beijing Municipal Education Commission (KM201610009005);National Natural Science Foundation of China (51575004);Beijing Natural Science Foundation (3162010)

摘要:

实验制备了Ni2+掺杂的ZnO-MgO-Al2O3-SiO2(ZMAS)体系的透明微晶玻璃, 研究了微晶玻璃的超宽带发光现象。热分析结果表明样品的玻璃化转变温度(Tg)和析晶峰温度(Tc)分别为754℃和948℃。采用X射线粉末衍射分析了两种热处理制度对玻璃的晶体形核、晶体生长及物相变化的影响, 结果表明: 采用阶梯温度热处理制度可以得到Ni2+掺杂的尖晶石相透明微晶玻璃。紫外-可见吸收光谱和荧光光谱测试表明制备的Ni2+掺杂ZMAS微晶玻璃中Ni2+以四配位和六配位共同存在于尖晶石相中, 红外荧光中心位于1324 nm的样品荧光半高宽达490 nm。样品的超宽带荧光主要是由于微晶玻璃中六配位Ni2+在ZnAl2O4和MgAl2O4形成的尖晶石相固溶体晶体场中的3T2g(3F)→3A2g(3F) 能级跃迁。实验结果表明, 制备的微晶玻璃在超宽带光纤放大器等光子器件中具有潜在的应用前景。

 

关键词: 超宽带发光, 尖晶石, 微晶玻璃, 近红外发光

Abstract:

Transparent Ni2+-doped ZnO-MgO-Al2O3-SiO2 (ZMAS) system glass-ceramics with broadband infrared luminescence were prepared by heat-treatment of parent glass via melt quenching method. According to DTA results, glass transition temperature (Tg) and maximum crystallization temperature (Tc) of the as-prepared samples are 754℃ and 948℃, respectively. Glass-ceramics obtained from two different heat-treatment systems were characterized by X-ray diffraction, and crystallization behaviors and phase transitions were analyzed. The results show that transparent Ni2+-doped spinel-phase glass-ceramics can be obtained by using two-step heat-treatment process. Ultraviolet-visible absorption spectra and luminescence spectra of the prepared glass-ceramics were investigated. The results indicate that tetrahedral and octahedral sites Ni2+ ions coexist in spinel microcrystals of Ni2+-doped ZMAS system glass-ceramics. The broadband infrared luminescence centered at 1324 nm with full width at half maximum (FWHM) of about 490 nm was observed from the samples. Mechanism underlined these phenomena is attributed to the transitions of 3T2g(3F)→3A2g(3F) of octahedral six-folded Ni2+ in the solid solution of spinel structure of Zn/MgAl2O4. These data confirm that the glass-ceramics may have potential applications for photonic devices such as super broadband optical fiber amplifiers.

Key words: broad band infrared luminescence, spinel, glass-ceramics, infrared luminescence

中图分类号: