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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Sol-gel synthesis and thermal stability of luminescence of Lu_3Al_5O_(12):Ce~(3+) nano-garnet
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Sol-gel synthesis and thermal stability of luminescence of Lu_3Al_5O_(12):Ce~(3+) nano-garnet

机译：Lu_3Al_5O_（12）：Ce〜（3+）纳米石榴石的溶胶-凝胶法合成及发光的热稳定性

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摘要

Ce~(3+)-doped lutetium aluminum (LuAG) nano-garnet powder has been prepared by Pechini sol-gel method and characterized by X-ray diffraction, transmission electron microscope, excitation and photolu-minescence spectra and decay measurements. The thermal stability of luminescence of the LuAG:Ce~(3+) has been evaluated for the temperature range 25-150 °C under the 460 nm excitation. The results indicate that the thermal stability of LuAG:Ce~(3+)+ is better than that of commercially available YAG:Ce~(3+)nano-garnet. The CIE chromaticity co-ordinates have been found to remain constant with change in temperature. Hence, it could be an apt candidate for generating white light when coupled to a blue LED,
机译：采用Pechini溶胶-凝胶法制备了Ce〜（3+）掺杂的aluminum铝纳米石榴石粉，并通过X射线衍射，透射电镜，激发和光致发光光谱以及衰减测量对其进行了表征。在460 nm激发下，在25-150°C的温度范围内评估了LuAG：Ce〜（3+）的发光热稳定性。结果表明，LuAG：Ce〜（3 +）+的热稳定性优于市售的YAG：Ce〜（3+）纳米石榴石。已经发现CIE色度坐标随温度变化而保持恒定。因此，当耦合到蓝色LED时，它可能是产生白光的合适候选者，

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