Synthesis of α,ω-difunctionalized oligo- and poly(p-phenyleneethynylene)s

被引:112
作者
Francke, V [1 ]
Mangel, T [1 ]
Mullen, K [1 ]
机构
[1] Max Planck Inst Polymerforsch, D-55021 Mainz, Germany
关键词
D O I
10.1021/ma971429m
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The synthesis and characterization of soluble rodlike oligo-and poly(1,4-phenyleneethynylene)s end-capped with various functional groups were achieved. The molecular weights were estimated by GPC and H-1 NMR spectroscopy. The possibility of quantitatively introducing different or identical functional groups at the chain ends was demonstrated by the synthesis of donor-and acceptor-substituited oligo(1,4-phenyleneethynylene)s and of poly(1,4-phenyleneethynylene)s functionalized with protected thiol moieties. The latter polymers can, after deprotection of the thiol functions, possibly serve as molecular wires and allow the bridging of a small gap between two gold nanoelectrodes.
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收藏
页码:2447 / 2453
页数:7
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