Upconversion and color tunability in Tm3+/Ho3+/Yb3+ doped low phonon energy bismuth tellurite glasses

Upconversion and color tunability in Tm3+/Ho3+/Yb3+ doped low phonon energy bismuth tellurite glasses
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Tm3 /Ho3 /Yb3 掺杂低声子能亚碲酸铋玻璃的上转换和颜色可调性

DOI:
10.1016/j.jlumin.2010.01.022
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发表时间:
2010-06
影响因子:
3.6
通讯作者:
H. Lin
H. Lin
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
N.Q. Wang;X. Zhao;C.M. Li;E.Y.B. Pun;H. Lin

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制备了具有多色上转换荧光的低声子能量Tm3+/Ho3+/Yb3+三掺杂碲酸铋玻璃并对其进行了表征。研究了由三基色(绿、红、蓝)组成的Ho3+和Tm3+的上转换多色荧光。通过调节激发功率,可以将荧光颜色从多色调到白色,并且在CIE 1931色度图中给出了颜色可调性对泵浦功率的依赖关系。随着泵送功率的增加,颜色坐标沿着左下方向移动并到达相等的能量点。通过改变Tm3+/Ho3+/Yb3+三掺杂碲酸铋玻璃的红外激发泵浦功率实现上转换和颜色可调性,将为三维固态显示和白光发射器件领域带来新的突破。
Low phonon energy Tm3+/Ho3+/Yb3+triply doped bismuth tellurite glasses exhibiting multicolor upconversion fluorescences have been fabricated and characterized. The multicolor fluorescence composed of three primary colors green, red and blue upconversion emissions from Ho3+and Tm3+has been investigated. By adjusting the excitation power, the fluorescence colors can be tuned from multicolor to white color, and the dependence of color tunability on pump power has been presented in the CIE 1931 chromaticity diagram. With the increase in pumping power, the color coordinates move along the down-left direction and hit the equal energy point. The upconversion and color tunability via changing the pump power of infrared excitation in Tm3+/Ho3+/Yb3+triply doped bismuth tellurite glasses will lead to new breakthrough in the field of three-dimensional solid-state displays and white-light emitting devices.
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