Effect of Photochemical and Photophysical Processes with the Participation of Oxygen on the Luminescent Properties of a Film of a Terbium(III) β-Diketonate Complex

D. V. Lapaev; V. G. Nikiforov; V. S. Lobkov; A. A. Knyazev; Yu. G. Galyametdinov; K. L. Shukhina

doi:10.3103/S1062873818080233

Effect of Photochemical and Photophysical Processes with the Participation of Oxygen on the Luminescent Properties of a Film of a Terbium(III) β-Diketonate Complex

Authors: Lapaev D.V.¹, Nikiforov V.G.¹, Lobkov V.S.¹, Knyazev A.A.², Galyametdinov Y.G.¹^,2, Shukhina K.L.³
Affiliations:
1. Zavoisky Physical-Technical Institute
2. Kazan National Research Technological University
3. Kazan Federal University
Issue: Vol 82, No 8 (2018)
Pages: 1022-1026
Section: Proceedings of the XII International Scientific School-Seminar “Fundamental Research and Innovation: Nanooptics, Photonics, and Coherent Spectroscopy”
URL: https://journals.rcsi.science/1062-8738/article/view/185984
DOI: https://doi.org/10.3103/S1062873818080233
ID: 185984

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Abstract

An 18-fold increase in the mean luminescence intensity of Tb³⁺ ions in a vitrified film of a terbium( III) β-diketonate complex under UV laser radiation in atmospheric oxygen at 300 K was observed. Luminescence and Raman spectroscopy data reveal that the observed effect was caused by photophysical and photochemical processes changing the geometry and structure of the complex.