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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 内容类型：会议论文     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Intense red fluorescence from Ho/Yb codoped tellurite glasses 会议论文 13th international conference on the physics of non-crystalline solids (pncs), yichang, peoples r china, 2014-09-16 作者:  He, Jianli;  Zhou, Zhiguang;  Zhan, Huan;  Lin, Aoxiang 收藏  |  浏览/下载：13/0  |  提交时间：2014/01/10 Tellurite glasses  Upconversion  Visible lasers  Fiber materials   Influence of sensitizer concentration on the upconversion luminescence of NaYF4: Yb3+, Er3+ nanoparticles (EI CONFERENCE) 会议论文 2012 2nd International Conference on Machinery, Materials Science and Engineering Applications, MMSE 2012, June 16, 2012 - June 17, 2012, Wuhan, China Zhao J.; Shi D.; Zhao Y.; Kong X. 收藏  |  浏览/下载：15/0  |  提交时间：2013/03/25 A series of NaYF4: Yb3+  Er3+ nanoparticles with different doping concentration were successfully prepared by the combination of coprecipitation and hydrothermal methods using sodium citrate as chelator. Upconversion luminescence can be observed in all of the samples at room temperature. Fixed the Er3+ concentration with 1 mol% unchanged  the effect of the Yb3+ concentration on the upconversion luminescence of NaYF4: Yb3+  Er3+ samples were studied when the doped Yb3+ concentrations were 0 mol%  1 mol%  2 mol%  5 mol%  10 mol% and 20 mol%  respectively. As increasing the Yb 3+ concentration  the total intensity of the upconversion luminescence of the samples is increasing while the ratio of red to green emission increases firstly and then decreases. The maximum ratio value is 22.1 when the Yb3+ concentration is 10 mol%. It is found that the cross relaxation and cooperative sensitization effect are the reasons for the phenomenon above. (2012) Trans Tech Publications.   Synthesis and characteristics of infrared-to-visible upconversion nanoparticies through a microemulsion system 会议论文 High-Performance Ceramics IV, Pts 1-3, 4th China International Conference on High-Performance Ceramics (CICC-4), Chengdu, PEOPLES R CHINA, Web of Science Wang, Ting; Wang, Yuehui; Shi, Shikao; Li, Bo; Zhou, Ji 收藏  |  浏览/下载：6/0  |  提交时间：2017/06/15 upconversion  infrared-to-visible  microemulsion  nanoparticle  LIQUID-MEMBRANE SYSTEM  PHOSPHOR  Materials Science, Ceramics  Materials Science, Composites   Selective enhancement of red upconvesion luminescence of Er3+ by doping with Mn2+ ions (CPCI-S收录) 会议论文 PROCEEDINGS OF THE 2013 IEEE 5TH INTERNATIONAL NANOELECTRONICS CONFERENCE (INEC) 作者:  Song, En-hai[1];  Xiao, Fen;  Ye, Shi;  Zhang, Qin-yuan 收藏  |  浏览/下载：2/0  |  提交时间：2019/04/15 Selective enhancement  exchange energy  Er2+/Mn2+  upconversion luminescence   Phase controllable synthesis of NaMgF3:Yb3+, Er3+ nanocrystals with effective red upconversion luminescence 会议论文 JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 18320-18330, 2018 作者:  Wang, Jue;  Zhang, Jing;  Xie, Jinhui 收藏  |  浏览/下载：0/0  |  提交时间：2019/12/17