A novel samarium complex with interesting photoluminescence and semiconductive properties

[Sm[([H.sub.2]O).sub.4][(N[O.sub.3]).sub.3]][(4,4'-Hbipy).sub.2][(N[O.sub.3]).sub.2] (1) (bipy = bipyridine) has been synthesized via hydrothermal reaction and characterized by X-ray diffraction. The title complex features an isolated structure, based on discrete 4,4'-Hbipy moieties, isola...

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Bibliographic Details
Published in:Bulletin of the Chemical Society of Ethiopia 2017-01, Vol.31 (3), p.435-444
Main Authors: Zhang, Ding-Wa, Chen, Wen-Tong, Wang, Yin-Feng
Format: Article
Language:English
Subjects:
Bipyridine
Coordination compounds
Crystal structure
Electric properties
Electrical conductivity
Fluorescence
Hydrothermal reaction
Observations
Optical properties
Photoluminescence
Samarium
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Summary:[Sm[([H.sub.2]O).sub.4][(N[O.sub.3]).sub.3]][(4,4'-Hbipy).sub.2][(N[O.sub.3]).sub.2] (1) (bipy = bipyridine) has been synthesized via hydrothermal reaction and characterized by X-ray diffraction. The title complex features an isolated structure, based on discrete 4,4'-Hbipy moieties, isolated nitrates and [Sm[([H.sub.2]O).sub.4][(N[O.sub.3]).sub.3]] species. The samarium ion is in a distorted bicapped square antiprism environment, coordinated by three bidentate nitrates and four coordination water molecules. The 4,4'-Hbipy moieties, isolated nitrates and [Sm[([H.sub.2]O).sub.4][(N[O.sub.3]).sub.3]] species are held together via hydrogen bonds and [pi]...[pi] interactions to form a 3-D supramolecular framework. Luminescent investigation reveals a strong emission in blue region. Optical absorption spectrum of 1 reveals the presence of an optical gap of 3.60 eV.KEY WORDS: Bipyridine, Crystal structure, Fluorescence, Hydrothermal reaction, Samarium
ISSN:1011-3924
1726-801X
DOI:10.4314/bcse.v31i3.7