Luminescent Features of Ternary Europium Complexes: Photophysical and Optoelectronic Evaluation

Trivalent europium complexes exhibit good luminescent characteristics. A series of octacoordinated ternary europium complexes with fluorinated diketone and heteroaromatic auxiliary unit were synthesized. The synthesized europium complexes were characterized by elemental, thermal, electrochemical and...

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Published inJournal of fluorescence Vol. 32; no. 4; pp. 1529 - 1541
Main Authors Hooda, Anjli, Nehra, Kapeesha, Dalal, Anuj, Bhagwan, Shri, Gupta, Isha, Singh, Devender, Kumar, Sumit
Format Journal Article
LanguageEnglish
Published New York Springer US 01.07.2022
Springer Nature B.V
Subjects
Analytical Chemistry
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biomedicine
Biophysics
Biotechnology
Colorimetry
Diketones
Europium
Optoelectronics
Original Article
Photoluminescence
Synthesis
Fluorinated β-diketone
Thermal analysis
Europium complexes
Cyclovoltammograms
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Summary:Trivalent europium complexes exhibit good luminescent characteristics. A series of octacoordinated ternary europium complexes with fluorinated diketone and heteroaromatic auxiliary unit were synthesized. The synthesized europium complexes were characterized by elemental, thermal, electrochemical and spectroscopic analyses. Band gap values lie in range of semiconductors which confirm the conducting behavior of prepared complexes. Photoluminescence spectra were recorded in solid state and DMSO solvent. Emission spectral profiles have displayed most intense peak at ~ 612 nm corresponding to hypersensitive 5 D 0  →  7 F 2 transition. Colorimetric parameters suggest red luminous nature of europium complexes. The luminescent heteroleptic europium complexes might be utilized as emissive materials for fabricating display. Graphical Abstract
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ISSN:1053-0509
1573-4994
DOI:10.1007/s10895-022-02956-9