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Sensitized near-IR luminescence of lanthanide complexes based on push-pull diketone derivatives

Authors
Baek, Nam SeobKim, Yong HeeEom, Yu KyungOh, Jung HwanKim, Hwan KyuAebischer, AnninaGumy, FredericChauvin, Anne-SophieBuenzli, Jean-Claude G.
Issue Date
2010
Publisher
ROYAL SOC CHEMISTRY
Citation
DALTON TRANSACTIONS, v.39, no.6, pp.1532 - 1538
Indexed
SCIE
SCOPUS
Journal Title
DALTON TRANSACTIONS
Volume
39
Number
6
Start Page
1532
End Page
1538
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/118671
DOI
10.1039/b915893f
ISSN
1477-9226
Abstract
Lanthanide complexes with two push-pull diketone derivatives as sensitizers have been developed as synthons for near-infrared emitting materials. The ligand substituents consist of a carbazole moiety with hole-transport properties and an aromatic or heteroaromatic unit. According to quantitative NMR analysis and complementary HPLC experiments, the diketones are predominantly in their enolic form in polar solvents such as THF and MeCN at room temperature. The preferred cis-enol form contributes strongly to the binding of lanthanide ions (Ln = Nd, Gd, Er). The resulting tris(diketonate) ternary complexes with terpyridine (Ln = Nd, Er) display sizeable near-IR emission with long luminescence lifetimes.
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Graduate School > Department of Advanced Materials Chemistry > 1. Journal Articles
Graduate School > Department of Material Chemistry > 1. Journal Articles

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