期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 133, 期 49, 页码 19966-19970出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja208710x
关键词
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资金
- DFG [SPP 1355, KI-1094/4-1]
- Saxon State Excellence Cluster ECEMP
- EFRE
- EPSRC [RG51308]
Strongly electron-deficient (n-type) main-chain g-conjugated polymers are commonly prepared via well-established step-growth polycondensation protocols which enable limited control over polymerization. Here we demonstrate that activated Zn and electron-deficient brominated thiophene-naphthalene diimide oligomers form anion-radical complexes instead of conventional Zn-organic derivatives. These highly unusual zinc complexes undergo Ni-catalyzed chain-growth polymerization leading to n-type conjugated polymers with controlled molecular weight, relatively narrow polydispersities, and specific end-functions.
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