Electrospinning preparation and white upconversion luminescence of Y2Ti2O7:Tm/Yb/Er nanotubes

被引：1
作者：
Han, Zhanwen [1 ]
Yu, Hongquan [1 ]
Tian, Zhuang [1 ]
Zhang, Jinsu [1 ]
Sun, Jiashi [1 ]
Li, Xiangping [1 ]
Xu, Sai [1 ]
Chen, Baojiu [1 ]
机构：
[1] Dalian Maritime Univ, Dept Phys, 1 Linghai Rd, Dalian 116026, Liaoning, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2022年 / 128卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Electrospinning; Nanotubes; Warm white; Luminescence mechanism; 980; NM; EMISSION; LIGHT; NANOCRYSTALS; THERMOMETRY; PYROCHLORE; EXCITATION; GREEN; STATE; BLUE;
D O I：
10.1007/s00339-022-05904-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The lanthanide-based white light-emitting diodes excited by irradiation at a wavelength of 980 nm have attracted increasing attention because of their low photon frequency and ease of implementation. Here, we report on warm, white, Y2Ti2O7:Tm/Yb/Er nanotubes prepared by a simple single-needle electrospinning method. The Y2Ti2O7:Tm/Yb/Er nanotubes have an outer diameter of about 180 nm, and a wall thickness of 36 nm. Their color coordinates and chromaticity were controlled to yellow -> red -> warm white by adjusting the Tm3+ concentration from 0.5 to 2.0%. The luminescence properties and upconversion mechanism of Y2Ti2O7:Tm/Yb/Er nanotubes were investigated. The warm white Y2Ti2O7:Tm/Yb/Er nanotubes exhibit a strong correlated color temperature to a household incandescent lamp.
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页数：9
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