Six novel lanthanide complexes [LnL(Phen)Cl-3] n (1-6) (Ln = Sm, Eu, Gd, Tb, Dy, Ho) (L = tetraethyl ethylenebisphosphonate, Phen = 1,10-phenanthroline) have been synthesized through a simple one-pot reaction. Complexes 1-6 are of 1D infinite chain structure. The CeH center dot center dot center dot pi interactions and the bridging action of L ligand lead to the formation of 3D network structures for 1-6. Emission spectra of complexes 1, 2, 4 and 5 show characteristic emission peaks of Sm3+, Eu3+, Tb3+ and Dy3+, respectively. Quantum yield of 2 is up to 37% while that of 4 reaches 31% in solid state, so they can be used as potential luminescent materials.
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Hong Kong Baptist Univ, Dept Chem, Kowloon Tong, Hong Kong, Peoples R China
Hong Kong Baptist Univ, Ctr Adv Luminescence Mat, Kowloon Tong, Hong Kong, Peoples R ChinaUniv Texas Austin, Dept Chem & Biochem, Austin, TX 78712 USA
机构:
Univ S Alabama, Dept Chem, 6040,USA Dr S,Chem Bldg,Room 223, Mobile, AL 36688 USA
Honeywell, UOP, Performance Mat Tech, Adv Characterizat Plaines, Chicago, IL USAUniv S Alabama, Dept Chem, 6040,USA Dr S,Chem Bldg,Room 223, Mobile, AL 36688 USA
Hendrich, Jeffrey M.
White, Frankie D.
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Univ S Alabama, Dept Chem, 6040,USA Dr S,Chem Bldg,Room 223, Mobile, AL 36688 USA
Los Alamos Natl Lab, Met Prod, Los Alamos, NM USAUniv S Alabama, Dept Chem, 6040,USA Dr S,Chem Bldg,Room 223, Mobile, AL 36688 USA
White, Frankie D.
Sykora, Richard E.
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Univ S Alabama, Dept Chem, 6040,USA Dr S,Chem Bldg,Room 223, Mobile, AL 36688 USAUniv S Alabama, Dept Chem, 6040,USA Dr S,Chem Bldg,Room 223, Mobile, AL 36688 USA