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利用“纳米反应器”一步合成YF3:Yb3+,Er3+纳米粒子及光谱特性

One-step synthesis of Yb3+, Er3+-codoped YF3 nanoparticles via nano-reactor and their spectral characteristic

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摘要

采用微乳液法在室温下快速合成出YF3:Yb3+,Er3+纳米粒子,X射线衍射图(XRD)与YF3标准卡片PDF#74-911非常吻合,经扫描电镜(SEM)分析表明所制备的纳米粒子为球形,粒径约为32 nm.同时研究了YF3:Yb3+,Er3+的下转换光谱和上转换光谱,实验发现,下转换光谱最强发射峰位于1544 nm; 在上转换光谱中,这两种离子主要发红光和绿光,且红光强于绿光,通过分析输出光强与泵浦光强的双对数曲线,发现不管是红光还是绿光都是双光子发射,最后对红、绿光的上转换机理进行了分析.

Abstract

Yb3+, Er3+-codoped YF3 nanoparticles were rapidly prepared via microemulsion method at room temperature. The nanoparticles were characterized by x-ray diffraction(XRD) and scanning electron microscopy(SEM). The XRD pattern matched well with card PDF#74-911. SEM patterns indicated that the nanoparticles were spherical morphology with the average size about 32 nm. Downconversion spectrum and upconversion spectrum were investigated. It was found that the predominant emission peak of downconversion spectrum was located at 1544 nm. In the upconversion spectrum, the intensity of red emission was stronger than that of green. In this material, both the red and green emissions were due to two photon processes. Meanwhile, upconversion mechanism and process were also analyzed.

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中图分类号:O613.41;O614.34+4;O614.34+6

基金项目:国家自然科学基金(50702057);吉林省科技厅和吉林省教育厅重大科技支撑项目(20050507,2009JYT19)

收稿日期:2010-08-21

修改稿日期:2011-04-07

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曹亮军:长春理工大学 化学与环境工程学院,吉林 长春130022
田雪英:长春理工大学 化学与环境工程学院,吉林 长春130022
刘伟:长春理工大学 化学与环境工程学院,吉林 长春130022
闫景辉:长春理工大学 化学与环境工程学院,吉林 长春130022
翟庆洲:长春理工大学 纳米技术研究中心,吉林 长春130022
连洪洲:中国科学院长春应用化学研究所 稀土资源利用国家重点实验室,吉林 长春130022

联系人作者:曹军亮(liangjunc@163.com)

备注:曹军亮(1980-),男,山西吕梁人,硕士研究生,主要从事稀土发光材料研究

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引用该论文

CAO Liang-Jun,TIAN Xue-Ying,LIU Wei,YAN Jing-Hui,ZHAI Qing-Zhou,LIAN Hong-Zhou. One-step synthesis of Yb3+, Er3+-codoped YF3 nanoparticles via nano-reactor and their spectral characteristic[J]. Journal of Infrared and Millimeter Waves, 2011, 30(6): 518-521

曹亮军,田雪英,刘伟,闫景辉,翟庆洲,连洪洲. 利用“纳米反应器”一步合成YF3:Yb3+,Er3+纳米粒子及光谱特性[J]. 红外与毫米波学报, 2011, 30(6): 518-521

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