Light manipulation in upconverting nano-glass-ceramics via Ce3+ doping

Light manipulation in upconverting nano-glass-ceramics via Ce3+ doping
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通过 Ce3 掺杂对上转换纳米微晶玻璃进行光操控

DOI:
10.1016/j.jeurceramsoc.2016.01.026
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发表时间:
2016-06
影响因子:
5.7
通讯作者:
Ji Zhenguo
Ji Zhenguo
中科院分区:
材料科学1区
文献类型:
--
作者:
Chen Daqin;Liu Shen;Wan Zhongyi;Ji Zhenguo

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在纳米结构玻璃陶瓷中,通过Ce 3+掺杂实现了镧系元素上转换发光的调控。通过熔融淬冷和晶化工艺成功制备了含有正交晶系YF 3纳米晶的透明块体玻璃陶瓷,并证明了稀土(Yb/Tm/Ho)激活剂掺入到YF 3晶格中,显著增强了上转换发光。Ce 3+掺杂对Ho 3+的红光发射和绿色发射的影响很大,但对Tm 3+的蓝光发射没有影响,有利于在微晶玻璃中产生包括白色光在内的颜色可调的发光。
A strategy to manipulate lanthanide upconversion luminescence via Ce3+doping was demonstrated in nano-structured glass ceramic. Specifically, transparent bulk glass ceramic containing orthorhombic YF3nanocrystals was successfully prepared by a melt-quenching and subsequent crystallization procedure, and the lanthanide (Yb/Tm/Ho) activators were evidenced to incorporate into YF3crystalline lattice, leading to significantly enhanced upconversion luminescence. Importantly, Ce3+dopants played a key role in modifying Ho3+red to green emission ratio but had no effect on Tm3+blue emission, which was beneficial to producing color-tunable luminescence, including white light, in the glass ceramics.
透明 KYb2F7:Ho3 玻璃陶瓷的精细加工、结构和强烈上转换
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