Observation of the gap blueshift on Gd2O3:Eu 3+ nanoparticles

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作者：
机构：
[1] Mercier, Bruno
[2] Dujardin, Christophe
[3] Ledoux, Gilles
[4] Louis, Cédric
[5] Tillement, Olivier
[6] Perriat, Pascal
来源：
Dujardin, C. (dujardin@pcml.univ-lyon1.fr) | 1600年 / American Institute of Physics Inc.卷 / 96期
关键词：
Europium - Mathematical models - Nanostructured materials - Particle size analysis - Photoluminescence - Quantum theory - Spectroscopic analysis - Synthesis (chemical) - Vacuum;
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摘要：
The characterization of Gd2O3 nanocrystals of different sizes doped with 2.5 at.% Eu3+ ions was discussed. The synthesis of the particles was carried out by using a sol-lyophilication process. The sol-lyophilication allows the synthesis of 7-100 nm diameter cubic-phase particles. The results show that using VUV spectroscopic measurements that the gap in Gd2O3 increases when the size decrease from bulk to 7 nm.
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