Synthesis, absorption and photoluminescence properties of the new coordination compound Eu(DBM)3(Ph3PO)1H2O

Olga Bordian; Victor Verlan; Ion Culeac; Mihail Iovu; Ion Bulhac; Vera Zubarev

doi:10.1117/12.2323761

31 December 2018 Synthesis, absorption and photoluminescence properties of the new coordination compound Eu(DBM)₃(Ph₃PO)₁H₂O

Olga Bordian, Victor Verlan, Ion Culeac, Mihail Iovu, Ion Bulhac, Vera Zubarev

Author Affiliations +

Proceedings Volume 10977, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX; 109771E (2018) https://doi.org/10.1117/12.2323761
Event: Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies IX, 2018, Constanta, Romania

Abstract

A new coordinate organic compound (COC) Eu(DBM)₃(Ph₃PO)₁H₂O was synthesized and investigated (DBM stands for 1,3-Diphenyl-1,3-propanedione and Ph₃PO for triphenylphosphine oxide). The size of obtained Eu(DBM)₃(Ph₃PO)₁H₂O powder nanocrystals is around 50 nm. Under ultraviolet light excitation, the material exhibits an abundant and pure red color photoluminescence (PL). The PL spectrum measured in the range of 500 - 750 nm has a number of narrow (atomic) emission lines with FWHM less than 10 nm, which are assigned to the energy transitions ⁵D₀→⁷F_i (i = 0,1,2,3,4) in the 4f – shell of the Eu³⁺ ion. PL experimental results and its kinetics were analyzed using the theory of Judd-Ofelt's parametric method and the characteristic parameters were obtained: the lifetime τ, quantum efficiency η, and transitions probability of electrical dipoles A_ij.

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Olga Bordian, Victor Verlan, Ion Culeac, Mihail Iovu, Ion Bulhac, and Vera Zubarev "Synthesis, absorption and photoluminescence properties of the new coordination compound Eu(DBM)₃(Ph₃PO)₁H₂O", Proc. SPIE 10977, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX, 109771E (31 December 2018); https://doi.org/10.1117/12.2323761

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