Synthesis, Optoelectronic and Photoluminescent Characterizations of Green Luminous Heteroleptic Ternary Terbium Complexes

被引：65
作者：
Dalal, Anuj [1 ]
Nehra, Kapeesha [1 ]
Hooda, Anjli [1 ]
Singh, Sitender [1 ]
Singh, Devender [1 ]
Kumar, Sumit [2 ]
机构：
[1] Maharshi Dayanand Univ, Dept Chem, Rohtak 124001, Haryana, India
[2] DCR Univ Sci & Technol, Dept Chem, Murthal 131039, Haryana, India
来源：
JOURNAL OF FLUORESCENCE | 2022年 / 32卷 / 03期
关键词：
2,2&-PRIME-Bipyridine; Fluorescence; Ternary terbium complexes; Tauc's relation; Color purity; BETA-DIKETONE LIGAND; LUMINESCENT PROPERTIES; PHOTOPHYSICAL PROPERTIES; CRYSTAL-STRUCTURE; INFRARED SPECTRA; ENERGY-TRANSFER; FLUORESCENCE; EUROPIUM; TEMPERATURE; LANTHANIDES;
D O I：
10.1007/s10895-022-02920-7
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
This article presents four ternary terbium complexes based on fluorinated 2-thenoyltrifluoroacetone (TTFA) and N donor bidentate neutral ligands. The prepared complexes were examined by elemental study, electrochemical analysis, spectroscopically and thermo-gravimetrically. Spectral analysis shows the bonding of Tb3+ ion with oxygen and nitrogen atom of diketone and neutral ligand respectively. Upon excitation in UV region, synthesized terbium complexes show luminescence in green region of electromagnetic spectrum. Photoluminescence emission spectra of complexes do not show any ligand based peak suggesting the effective transferal of energy from ligand to metal ion. Green emanation by terbium complexes is owing to intense peak similar to 547 nm (D-5(4) -> F-7(5)). The outcome of emission data and CIE coordinates correlate with each other and affirms the utility of green luminous complexes as potential emissive material for optoelectronic gadgets applied in lighting system.
引用
收藏
页码：1019 / 1029
页数：11
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