POLYMER SOLAR CELLS AND FUNCTIONALIZED CONJUGATED POLYMERS
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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Apr 18, 2013
filing date -
Apr 18, 2012
priority date (Note) -
Abandoned
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Abstract
A functionalized conjugated polymer comprising alternating copolymer donor and acceptor units in which at least one of the donor and acceptor units comprises a linking group and a functional group attached to the linking group. The linking group may comprise an alkyl group. The functional group may comprise one or more carboxyl, halogen (such as fluorine and chlorine), hydroxyl, carbonate, imino, cyano, nitro, amine, and amide functional groups. More than one functional group may be present for each linking group. Not every copolymer unit need have a linked functional group. The linking group may be attached to either or both of the donor and acceptor units. The functional group may terminate the linking group.
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