Luminescence and structural properties of Ca1-xZrO3:Eux: An experimental and theoretical approach
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Luminescence and structural properties of Ca1-xZrO3:Eux: An experimental and theoretical approachAutoria
Data de publicació
2022-04-11Editor
Sao Paulo State University. Institute of ChemistryCita bibliogràfica
Assis, M., Oliveira, M. C. de, Gouveia, A. F., Ribeiro, L. K., Rosa, I. L. V., Ribeiro, R. A. P., Andrés, J., & Longo, E. (2022). Luminescence and structural properties of Ca1-xZrO3:Eux: An experimental and theoretical approach. Eclética Química Journal, 47(1SI), 90–104. https://doi.org/10.26850/1678-4618eqj.v47.1SI.2022.p90-104Tipus de document
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info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
The influence of Eu3+ cations in the host matrix of CaZrO3 was investigated by analyzing its luminescence and structural properties. The Ca1-xZrO3:Eux crystals (x = 0.01, 0.02, 0.04, and 0.08 mol%) were obtained by a ... [+]
The influence of Eu3+ cations in the host matrix of CaZrO3 was investigated by analyzing its luminescence and structural properties. The Ca1-xZrO3:Eux crystals (x = 0.01, 0.02, 0.04, and 0.08 mol%) were obtained by a simple sol-gel method followed by a soft thermal treatment without any surfactant. The structural characterization was performed at short-, medium- and long-distance to verify the effect of the dopant in the host matrix. To endorse the experimental results, first-principles calculations were performed by using the CRYSTAL program associated with the density functional theory. The luminescence profile of the sample was investigated by analyzing the excitation and emission spectrum monitoring the emission at 614 nm and excited at 394 nm, noting that the sample Eu-doped with 0.08 mol% has greater emission intensity. The color variations of the characteristic emissions of Ca1-xZrO3:Eux crystals were evaluated according to the Commission Internationale de L’Éclairage, observing a red shift for all Eu-doped samples. A general luminescence scheme was proposed combining the density of state and the band structure calculations. [-]
Publicat a
Eclética Química Journal, vol. 47, special issue 1, 2022Entitat finançadora
CDMF (Centro de Desenvolvimento de Materiais Funcionais) | Universidade Federal de São Carlos/FAPESP | Universitat Jaume I | European Union-NextGenerationEU, Margarita Salas postdoctoral contract | Generalitat Valenciana | Ministerio de Ciencia, Innovación y Universidades (Spain)
Codi del projecte o subvenció
MGS/2021/21(UP2021-021) | UJI-B2019-30 | AICO/2020/329 | PGC2018094417-B-I00 | POSDOC/2019/30
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Copyright (c) 2022 Eclética Química Journal
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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