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1. 黑龙江大学 建筑工程学院, 黑龙江 哈尔滨 150080
2. 哈尔滨工程大学 物理与光电工程学院, 黑龙江 哈尔滨 150001
纸质出版日期:2020-1-5,
网络出版日期:2019-10-15,
收稿日期:2019-9-3,
修回日期:2019-10-12,
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孙剑飞, 闫东, 刘禄. 单颗粒稀土纳米晶的三基色上转换发光[J]. 发光学报, 2020,41(1): 1-8
SUN Jian-fei, YAN Dong, LIU Lu. Three-primary-color Upconversion in Single Lanthanide Based Nanoparticle[J]. Chinese Journal of Luminescence, 2020,41(1): 1-8
孙剑飞, 闫东, 刘禄. 单颗粒稀土纳米晶的三基色上转换发光[J]. 发光学报, 2020,41(1): 1-8 DOI: 10.3788/fgxb20204101.0001.
SUN Jian-fei, YAN Dong, LIU Lu. Three-primary-color Upconversion in Single Lanthanide Based Nanoparticle[J]. Chinese Journal of Luminescence, 2020,41(1): 1-8 DOI: 10.3788/fgxb20204101.0001.
可调谐发光颜色的上转换荧光纳米粒子具有广阔的应用前景。本文设计并成功合成了结构紧凑的多层核-壳纳米颗粒。在不同波段激光的泵浦下,该颗粒中不同壳层分别产生红、绿、蓝3种颜色的上转换荧光。光谱测试结果表明,样品三基色发光的颜色纯度较好,并且可以实现全色域的颜色实时调节。此外,还测试了样品发光强度与泵浦功率之间的依赖关系,用于研究其中的上转换发光机理。这种在单颗粒水平上具有全色域可调发光的紧凑核-壳结构纳米晶体在多通道生物检测及成像、超高分辨率显示器件、高端防伪应用等领域显示出巨大的潜力。
Upconversion nanocrystals capable of tunable emitting color have shown wide application prospects. In this paper
we designed and successfully synthesized compact multi-layer core-shell nanocrystals. Different layers in a nanocrystal respectively produce upconversion luminescence with red
green and blue color
excited by various lasers. The emitting color with high purity can be further tuned in real-time within full color range. In addition
the luminescence intensity dependences on the pump power were recorded and used to investigate the luminescence mechanisms. The proposed compact core-shell nanocrystal with tunable color in a single nanoparticle shows great potentials for the applications such as bio-detection and imaging
display devices with ultrahigh resolution and advanced anti-counterfeiting.
镧系元素核-壳结构纳米晶上转换实时颜色调节
lanthanidecore-shell nanocrystalupconversionreal-time color-tuning
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