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长春光学精密机械与物... [3]
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NaYF4∶Yb,Er-MoS2复合材料的合成、改性与红外光响应性
会议论文
中国化学会第30届学术年会, 大连, 2016-07-01
作者:
牛文斌
;
张淑芬
收藏
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浏览/下载:1/0
  |  
提交时间:2019/12/09
NaYF4∶Yb,Er上转换
MoS2纳米片
红外光响应性
上转换纳米粒子复合材料的合成及在生物成像中的应用
会议论文
中国化学会第29届学术年会, 中国北京, 2014-08-04
柳扶摇
;
章俊平
;
王振新
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2015/12/15
稀土掺杂上转换纳米粒子
多模态成像
La2O3含量及热处理对铌酸盐玻璃上转换发光性能的影响
会议论文
第十八届全国高技术陶瓷学术年会, 中国广东清远, 2014-11-20
作者:
栗佳颖
;
李建强
;
李勃
;
潘伟
;
齐龙浩
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  |  
浏览/下载:20/0
  |  
提交时间:2015/05/13
上转换发光
La2O3
氧化物材料
机械加工性能
红外探测
铌酸盐
溶胶-凝胶法
转换效率
铝酸盐
钛酸盐
不同尺度NaYF_4:Eu~(3+)纳米颗粒对内皮细胞的毒性研究
会议论文
中国化学会第29届学术年会
作者:
陈士柱[1]
;
张翠妙[2]
;
贾光[3]
;
段见磊[4]
;
王书香[5]
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2019/12/21
NaYF4:Eu3+
内皮细胞
氧化应激
凋亡
尺寸依赖
高发光亮度和水溶性的NaYF4:Yb,Er纳米上转换发光材料制备
会议论文
中国物理学会;中国稀土学会, 南京
作者:
宁燕慧
;
常杰
;
武素丽
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  |  
浏览/下载:1/0
  |  
提交时间:2019/12/11
NaYF4:Yb,Er 配体 上转换 发光强度
Synthesis of NaYF4:Yb3+/Tm3+-TiO2 nanoparticles for potential photodynamic therapy based on ultraviolet up-conversion luminescence
会议论文
9th World Biomaterials Congress (WBC), 成都, 2012-06-01
曾乐勇、吴爱国
;
Leyong Zeng, Wenzhi Ren, Ping Cui, Aiguo Wu
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  |  
浏览/下载:15/0
  |  
提交时间:2013/12/16
Influence of high temperature annealing in nitrogen on upconversion luminescence of -NaYF4: Yb3+, Er3+ hexagonal sub-microplates (EI CONFERENCE)
会议论文
2012 International conference on Function Materials and Nanotechnology, FMN 2012, May 19, 2012 - May 20, 2012, Zhengzhou, China
Zhao J.
;
Jia T.
;
Kong X.
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  |  
浏览/下载:16/0
  |  
提交时间:2013/03/25
The pure -NaYF4: Yb3+
Er3+ hexagonal sub-microplates were successfully prepared by the combination of coprecipitation and hydrothermal methods using sodium citrate as chelator. The size of them is about 600 nm 400 nm (side length thickness). The obtained sample was divided into two parts and one of them was annealed in nitrogen at 300 C for 2 hours. The crystal structure of the -NaYF4: Yb3+
Er3+ hexagonal sub-microplates before and after annealing treatment is hexagonal phase. Under the excitation of 980 nm diode laser
the upconversion luminescence intensity the sample after annealing is much stronger than that of the sample without annealing treatment. High temperature annealing process improved the crystallization of the sample
resulting in the decrease of the nonradiative relaxation and the enhancement of the upconversion luminescence. (2012) Trans Tech Publications
Switzerland.
Influence of Sensitizer Concentration on the Upconversion Luminescence of NaYF4: Yb3+, Er3+ Nanoparticles
会议论文
2012
Zhao J. W.
;
Shi D. M.
;
Zhao Y. G.
;
Kong X. G.
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  |  
浏览/下载:10/0
  |  
提交时间:2013/03/28
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.
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  |  
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.
Phase Control of Nanosized NaYF4 Upconversion Particles
会议论文
HIGH-PERFORMANCE CERAMICS VII, PTS 1 AND 2, 2011-11-04
作者:
Guo, Jing[1]
;
Ma, Feizhong[2]
;
Shi, Ying[3]
;
Xie, Jianjun[4]
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浏览/下载:2/0
  |  
提交时间:2019/04/30
NaYF4:Yb3+/Er3+
Solvothermal synthesis
Upconversion spectroscopy
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