Click Synthesis of Donor-Acceptor Type Conjugated Polymers

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A highly efficient synthetic method of donor-acceptor type conjugated polymers was developed by using the quantitative addition reaction between electron-rich alkynes and a strong acceptor molecule, tetracyanoethylene. This method is suitable for mass production of the desired polymers with low cost because of the absence of any special purification procedures. The obtained donor-acceptor type polymers featured strong charge-transfer bands in the visible absorption region, which offers the application possibility as optoelectronic materials.