Oxide-based double-perovskite upconversion materials exhibit outstanding photostability
and excellent upconversion luminescence (UCL), and thus have drawn increasing attention …

Fluorescence intensity ratio (FIR) thermometers have obtained great attention in industrial
production, medical diagnosis and scientific research. However, the sensitivity has a large …

Fluorescence intensity ratio (FIR) thermometry has been regarded as new optical
thermometry because of its faster response, higher sensitivity, and accuracy. However …

Fluorescence thermometry manifests tremendous attention for their potential applications in
the temperature sensing, especially for combining wide operating temperature range with …

In this work, tungstate BaWO 4 phosphors doped Ho 3+-Yb 3+-Gd 3+ ions are successfully
synthesized through solid-state reaction method. Under the excitation of a 980 nm laser, the …

Intelligent regulation of energy transfer process among different rare earth ions doped in the
matrix is an effective strategy to realize high-performance upconversion (UC) luminescence …

Lead‐free halide double perovskites have been extensively studied for their application in
the display and lighting fields. Owing to their characteristic single white luminescence …

为提高蓝绿色荧光粉的发光性能, 本文采用传统的高温固相法合成LaNbO4∶ Dy3+
及LaNbO4∶ Dy3+, Ca2+ 荧光粉样品. 通过测试样品的XRD, 荧光光谱和CIE 色度坐标, 研究Dy …

通过溶胶-凝胶法制备出一系列Dy 3+ 掺杂的Y2 MgTiO6 (YMT∶ Dy3+) 荧光粉, 并利用X
射线衍射仪, 扫描电子显微镜, 荧光光谱仪对荧光粉的晶体结构, 微观形貌及发光性质进行研究和 …

Rare earth ion doped niobate materials with double perovskite structure have attracted
widespread interest in optical temperature sensing due to their relatively large bandgap and …