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化工新型材料  2018, Vol. 46 Issue (10): 87-91    
  新材料与新技术 本期目录 | 过刊浏览 | 高级检索 |
Mn2+掺杂对SrF2∶Yb,Er纳米晶结构 及发光性能的影响
钟诚1,罗然2,袁红艳1,张婷1,郭善军1,蒋芸1,高道江2*
1.达州职业技术学院基础部,达州635001;
2.四川师范大学化学与材料科学学院,成都610066
Influence of Mn2+ on the structure and luminescence of SrF2∶Yb,Er nanocrystal
Zhong Cheng1,Luo Ran2,Yuan Hongyan1,Zhang Ting1,Guo Shanjun1,Jiang Yun1,Gao Daojiang2
1.Basic Department,Dazhou Vocational and Technical College,Dazhou 635001;
2.College of Chemistry and Materials Science,Sichuan Normal University,Chengdu 610066
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摘要 通过温和水热法制备了氟化锶(SrF2)∶Yb,Er,Mn纳米晶。采用X射线衍射、扫描电子显微镜、荧光分析对制备的纳米晶微结构、形貌、发光性能进行表征。结果表明,纳米晶微结构为面心立方晶相,形貌为类球形,随着Mn2+离子的掺入,样品发生晶格畸变,粒径减小,发光强度减弱,Er3+离子的红/绿发光强度比增大,发光颜色从绿光区向红光区移动。分析了Mn2+的掺入对样品微结构、形貌、发光性能的影响。通过样品发光强度与激发功率的关系,分析了SrF2∶Yb,Er,Mn纳米晶的上转换发光机制。
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钟诚
罗然
袁红艳
张婷
郭善军
蒋芸
高道江
关键词:  氟化锶  Mn2+  红光增强  微结构变化  上转换机制    
Abstract: SrF2∶Yb,Er,Mn nanocrystals were prepared by a mild hydrothermal method.The microstructure,morphology and luminescence properties of as-prepared sample were characterized by XRD,SEM and FA.The results showed that the microstructure of sample was face-centered cubic crystal phase,and had morphology of spherical-like.With the addition of Mn2+ ions,the lattice of sample was distorted,the particle size decreased,the luminescence intensity weakened and the red/green luminescence ratio increased.The luminescence shifted from the green region to the red region.The effects of Mn2+ on the microstructure,morphology and luminescence properties of the samples were analyzed.The upconversion luminescence mechanism of sample was analyzed by the relationship between the luminescence intensity and the excitation power.
Key words:  SrF2    Mn2+    red light enhancement    microstructure change    upconversion mechanism
                    发布日期:  2018-11-06      期的出版日期:  2018-11-06
基金资助: 四川省科技厅项目(2015JY0274);四川省教育厅重点项目(15ZA0363)
通讯作者:  高道江(1969-),男,博士,教授,主要从事无机功能材料的制备与性能研究。   
作者简介:  钟诚(1971-),男,硕士,教授,主要从事稀土发光材料研究。
引用本文:    
钟诚,罗然,袁红艳,张婷,郭善军,蒋芸,高道江. Mn2+掺杂对SrF2∶Yb,Er纳米晶结构 及发光性能的影响[J]. 化工新型材料, 2018, 46(10): 87-91.
Zhong Cheng,Luo Ran,Yuan Hongyan,Zhang Ting,Guo Shanjun,Jiang Yun,Gao Daojiang. Influence of Mn2+ on the structure and luminescence of SrF2∶Yb,Er nanocrystal. New Chemical Materials, 2018, 46(10): 87-91.
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http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2018/V46/I10/87
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