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- W2030221246 endingPage "3807" @default.
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- W2030221246 abstract "Conjugated polymers that comprise 2,2‘-bipyridine moieties as part of the macromolecular backbone represent versatile precursors for the formation of conjugated metallo-supramolecular networks, which are readily accessible via ligand-exchange reactions. Poly{2,2‘-bipyridine-5,5‘-diylethynylene[2,5-bis(2-ethylhexyl)oxy-1,4-phenylene]ethynylene} (BipyPPE1) and a statistical copolymer comprising 5,5‘-diethynyl-2,2‘-bipyridine and 1,4-diethynyl-2,5-bis(alkyloxy)benzene moieties (BipyPPE2) were synthesized via the Pd0-catalyzed cross-coupling reaction of 1,4-diethynyl-2,5-bis(octyloxy)benzene, 1,4-bis[(2-ethylhexyl)oxy]-2,5-diiodobenzene, and 5,5‘-diethynyl-2,2‘-bipyridine. Complexation studies involving these polymers and a variety of transition metals suggest that ligand exchange leads to three-dimensional networks, which feature BipyPPE−metal−BipyPPE cross-links and display interesting optoelectronic properties. It is found that complexes with group 12 d10 ions (Zn2+ and Cd2+) are emissive, while other transition metals such as Cu+, Co2+, and Ni2+ form nonradiative metal-to-ligand charge-transfer complexes with the polymers." @default.
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- W2030221246 date "2005-03-25" @default.
- W2030221246 modified "2023-10-16" @default.
- W2030221246 title "Organometallic Networks Based on 2,2‘-Bipyridine-Containing Poly(<i>p</i>-phenylene ethynylene)s" @default.
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- W2030221246 doi "https://doi.org/10.1021/ma0502147" @default.
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