Synthesis and Photophysical Properties of Luminescent Lanthanide Complexes Based on Dansyl-N-Methyl-Aminobenzoic Acid for Advanced Photonics Applications

Novel luminescent Ln(III)-chelated complexes based on dansyl-N-methyl-aminobenzoic acid exhibited the strong near IR emission bands of the characteristic 4 I 13/2  →  4 I 15/2 transition of Er(III) ion around 1530 nm and the characteristic 4 F 3/2  →  4 F 9/2 , 4 F 3/2  →  4 F 11/2 and 4 F 3/2  →  4...

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Published in:Molecular crystals and liquid crystals (Philadelphia, Pa. : 2003) Pa. : 2003), 2006-04, Vol.446 (1), p.295-304
Main Authors: Roh, Soo-Gyun, Kim, Yong Hee, Beak, Nam Seob, Hong, Kyong-Soo, Kim, Hwan Kyu
Format: Article
Language:English
Subjects:
advanced photonics applications
dansyl-N-methyl-aminobenzoic acid
luminescent Er(III) and Nd(III) complexes
photophysical properties
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Summary:Novel luminescent Ln(III)-chelated complexes based on dansyl-N-methyl-aminobenzoic acid exhibited the strong near IR emission bands of the characteristic 4 I 13/2  →  4 I 15/2 transition of Er(III) ion around 1530 nm and the characteristic 4 F 3/2  →  4 F 9/2 , 4 F 3/2  →  4 F 11/2 and 4 F 3/2  →  4 F 13/2 transitions of Nd(III) ion around 880, 1060 and 1330 nm. Their photoluminescence intensity depends on the degree of the spectral overlap between the emission band of the ligand and the absorption band of lanthanide(III) ion. The radiative life times of Er(III) and Nd(III) ions in the lanthanide(III) complex films were estimated to be 1.6 and 1.2 μs, respectively.
ISSN:1542-1406
1563-5287
DOI:10.1080/15421400500379962