无机材料学报2013，Vol.28Issue(8)：896-900,5.DOI:10.3724/SP.J.1077.2013.13196
Nd3+/Yb3+共掺La2O3-TiO2-ZrO2微晶玻璃的制备及上转换发光研究
Preparation and Upconversion Luminescence of Nd3+/Yb3+ Co-doped La2O3-TiO2-ZrO2 Glass-ceramics
摘要
Abstract
Nd3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glass-ceramic samples were prepared by heat treatment of precursor glasses fabricated via aerodynamic levitation method.The thermal stability of the precursor glass was studied by DTA.The glass-ceramic samples were characterized by photoluminescence spectra,TEM and EDS.The effects of heat treatment on the upconversion luminescence were studied.The DTA curve shows that the glass transition temperature and the onset temperature of crystallization are 799℃ and 880℃,respectively.Five emission bands centered at 497,523,545,603 and 657 nm are obtained at the excitation of 980 nm laser.The emission intensity can be increased by heat treatment.The glass-ceramic samples heat-treated at 880℃ for 50 min perform the strongest upconversion luminescence with intensity (at 545 nm) as 11 times high as that of the precursor glasses,which can be ascribed to the dense columnar crystals embedded in the glass matrix and the enrichment of Nd3+ ions in the crystals.关键词
微晶玻璃/气悬浮方法/热处理/上转换发光Key words
glass-ceramics/ aerodynamic levitation method/ heat treatment/ upconversion luminescence分类
化学化工引用本文复制引用
张明辉,余建定,潘秀红,程愉悻,刘岩..Nd3+/Yb3+共掺La2O3-TiO2-ZrO2微晶玻璃的制备及上转换发光研究[J].无机材料学报,2013,28(8):896-900,5.基金项目
National Natural Science Foundation of China(51072209) （51072209）
Program of Scientific Equipment Development of Chinese Academy of Sciences(YZ201142) （YZ201142）
Innovation Fund of Shanghai Institute of Ceramics,CAS(Y17ZC11601G) （Y17ZC11601G）
