Development of Highly Efficient Catalysts for Synthesizing π-Conjugated Polymers via Direct Arylation

Principal Investigator

Fumiyuki OZAWA (Professor, Kyoto University)

Outline of the Project

A substantial amount of research efforts have been directed towards the synthesis of π-conjugated polymers that have potential applications in thin-film organic solar cells. The polymer solar cells have unique prospects for achieving low-cost solar energy harvesting, owing to their material and manufacturing advantages. At present, π-conjugated polymers are prepared by polycondensation based on catalytic cross-coupling reactions. However, the cross-coupling reactions require the pre-preparation of organometallic reagents and in some instances involve by-production of a stoichiometric amount of toxic compound. There has been concern about these disadvantages in industrial applications. In this study, we develop highly efficient catalysts for synthesizing π-conjugated polymers via direct arylation. The direct arylation is an advanced means of cross-coupling process without the use of organometallic reagents. The newly developed reactions and polymers are expected to provide further advance in socially important research fields for the establishment of a sustainable society.


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