Enhancement Of Violet And Ultraviolet Upconversion Emissions In Yb~(3+)/er~(3+) -codoped Yf_3 Nanocrystals

Guofeng Wang; Weiping Qin; Jisen Zhang; Jishuang Zhang; Yan Wang; Chunyan Cao; Lili Wang; Guodong Wei; Peifen Zhu; Ryongjin Kim

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Enhancement Of Violet And Ultraviolet Upconversion Emissions In Yb~(3+)/er~(3+) -codoped Yf_3 Nanocrystals

机译：Yb〜（3 +）/ er〜（3+）掺杂的Yf_3纳米晶体中紫光和紫外上转换辐射的增强

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Pumped with a 980-nm diode laser, violet/ultraviolet upconversion fluorescence was presented in Y_(0.83)Yb_(0.15)Er_(0.02)F_3 nanocrystals. Observed emissions at 318 nm and 379 nm were affirmed coming from a four-photon excitation process. In comparison with a bulk sample having the same chemical compositions, the nanocrystals had a markedly enhanced ability of emitting violet/ultraviolet upconversion fluorescence. By employing Tm~(3+) ions as structural probes in the samples, we found that the enhancement could be attributed to the decrease of Judd-Ofelt parameter Ω_2. A model for revealing the four-photon excitation process was proposed based on spectral analysis.

机译：Y_（0.83）Yb_（0.15）Er_（0.02）F_3纳米晶体中通过980 nm二极管激光器泵浦，产生了紫色/紫外线上转换荧光。确认来自四光子激发过程的在318 nm和379 nm处观察到的发射。与具有相同化学组成的本体样品相比，纳米晶体具有显着增强的发射紫色/紫外线上转换荧光的能力。通过使用Tm〜（3+）离子作为样品中的结构探针，我们发现这种增强可以归因于Judd-Ofelt参数Ω_2的降低。在光谱分析的基础上，提出了揭示四光子激发过程的模型。

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来源
《Optical Materials》 |2008年第2期|p.296-299|共4页
作者
Guofeng Wang; Weiping Qin; Jisen Zhang; Jishuang Zhang; Yan Wang; Chunyan Cao; Lili Wang; Guodong Wei; Peifen Zhu; Ryongjin Kim;
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作者单位

State Key Laboratory on Integrated Optoelectronics College of Electronic Science and Engineering jilin University 2699 Qianjin Street Changchun 130012 PR China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
nanocrystals; microwave irradiation; upconversion; judd-ofelt parameter;

机译：纳米晶体微波辐射上转换judd-ofelt参数;

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专利

1. Ultraviolet-Enhanced Upconversion Emission Mechanism of Tm~(3+) in YF_3:Yb~(3+), Tm~(3+) Nanocrystals [J] . Jisen Zhang, Liguo Zhang, Jianyue Ren, Journal of nanoscience and nanotechnology . 2014,第5期

机译：YF_3：Yb〜（3+），Tm〜（3+）纳米晶体中Tm〜（3+）的紫外增强上转换发射机理
2. Role of Yb~(3+) and Er~(3+) concentration on the tunability of green-yellow-red upconversion emission of codoped ZrO_2:Yb~(3+)-Er~(3+) nanocrystals [J] . D. Solis, E. De la Rosa, O. Meza, Journal of Applied Physics . 2010,第2期

机译：Yb〜（3+）和Er〜（3+）浓度对共掺杂ZrO_2：Yb〜（3 +）-Er〜（3+）纳米晶体绿黄红色上转换发射的可调性的作用
3. Bright upconversion white light emission in transparent glass ceramic embedding Tm~(3+)/Er~(3+)/Yb~(3+):β-YF_3 nanocrystals [J] . Daqin Chen, Yuansheng Wang, Kelu Zheng, Applied Physics Letters . 2007,第25期

机译：嵌入Tm〜（3 +）/ Er〜（3 +）/ Yb〜（3 +）：β-YF_3纳米晶的透明玻璃陶瓷中的明亮的上转换白光发射
4. Highly sensitive optical thermometry based on the upconversion fluorescence from Yb~(3+)/Er~(3+) codoped La_2(WO_4)_3:Yb~(3+) ,Er~(3+) phosphor [C] . Yan-min Yang, Chao Mi International conference on optical instruments and technology . 2013

机译：基于Yb〜（3 +）/ Er〜（3+）共掺杂La_2（WO_4）_3：Yb〜（3+），Er〜（3+）荧光粉上转换荧光的高灵敏光学测温
5. Surface Plasmon Enhanced Upconversion Luminescence of Yb 3+/ Tm3+ and Yb3+/ Er3+ Systems Doped in NaYF4 on Au Nanopillar Arrays. [D] . Luu, Quoc Anh Nguyen. 2014

机译：金纳米柱阵列上掺入NaYF4的Yb 3 + / Tm3 +和Yb3 + / Er3 +系统的表面等离子体增强上转换发光。
6. A Point Temperature Sensor Based on Upconversion Emission in Er3+/Yb3+ Codoped Tellurite-Zinc-Niobium Glass [O] . Ting Wu, Rui Tong, Liwen Liao, 2017

机译：基于上转换发射的Er3 + / Yb3 +共掺杂碲酸盐-锌-铌玻璃点温度传感器
7. Near infrared emission and multicolor tunability of enhanced upconversion emission from Er 3+ –Yb 3+ co-doped Nb 2 O 5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics [O] . Felipe Thomaz Aquino, Jefferson Luis Ferrari, Lauro June Queiroz Maia, 2016

机译：ER 3+ -YB 3+共掺杂Nb 2 O 5纳米晶体从基于二氧化硅的纳米复合材料和平面波导的近红外发射和多色可调节性的近红外发射和多色可调节性和用于光子的平面波导

Enhancement Of Violet And Ultraviolet Upconversion Emissions In Yb~(3+)/er~(3+) -codoped Yf_3 Nanocrystals

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