Upconversion emission of ZrO2 nanoparticles doped with erbium (Er3+) and ytterbium (Yb3+), synthesized by hydrothermal route |
| |
| Authors: | G Torres Jasso E Montes JC Guzmán Olguín D Sánchez Guzmán RI López Esquivel IR Martín J Guzmán Mendoza |
| |
| Affiliation: | 1. Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada del Instituto Politécnico Nacional, Unidad Legaria, Calzada Legaria 694. Col. Irrigación, C.P. 11500 Cd. de México, México;2. Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid, C/Francisco Tomás y Valiente 7, 28049 Madrid, Spain;3. Departamento de Física, MALTA Consolider Team and Instituto de Materiales y Nanotecnología (IMN), Universidad de La Laguna, 38206 Tenerife, Spain |
| |
| Abstract: | This paper reports the luminescent response upconversion of zirconium oxide (ZrO2) nanoparticles doped with erbium (Er3+) and ytterbium (Yb3+) ions, synthesized by hydrothermal route. X ray diffraction (DRX) showed that the synthesized material presents the face centered cubic (FCC) structure. High resolution transmission electron microscopy (HRTEM) showed the presence of crystals size smaller than 10 nm. The photoluminescent analysis allowed to observe an intense upconversion luminescence emission of the samples doped with both ions Er3+ and Yb3+, when these are excited with 910 nm laser source, showing the electronic transitions 4F9/2 → 4I5/2; 2H11/2 → 4I5/2; 4S3/2 → 4I15/2 of Er3+. Two decay times were observed, whose behavior can be associated to the average distance between erbium ions within the nanocrystals. |
| |
| Keywords: | Upconversion Zirconium oxide Hydrothermal Erbium Ytterbium |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
