A Modular Strategy for Fully Conjugated Donor–Acceptor Block Copolymers

Creators: Ku, Sung-Yu; Brady, Michael A.; Treat, Neil D.; Cochran, Justin E.; Robb, Maxwell J.; Kramer, Edward J.; Chabinyc, Michael L.; Hawker, Craig J.

Abstract

A novel strategy for the synthesis of fully conjugated donor–acceptor block copolymers, in a single reaction step employing Stille coupling polymerization of end-functional polythiophene and AA + BB monomers, is presented. The unique donor–acceptor structure of these block copolymers provides a rich self-assembly behavior, with the first example of a fully conjugated donor–acceptor block copolymer having two separate crystalline domains being obtained.

Additional Information

© 2012 American Chemical Society. Received: July 27, 2012. Published: September 13, 2012. This work was partially supported by the Mitsubishi Chemical Center for Advanced Materials (S.K. and E.J.K.) at UCSB and the NSF SOLAR program (CHE-1035292) (M.A.B., N.D.T., M.L.C., and C.J.H.). Portions of this research were carried out at the SSRL, a national user facility operated by Stanford University on behalf of the U.S. Department of Energy, Office of Basic Energy Sciences, as well as at the MRL Central Facilities, which are supported by the MRSEC Program of the NSF under award no. DMR-1121053 (M.A.B., J.E.C., E.J.K., M.L.C., and C.J.H.). M.A.B. would like to acknowledge funding from NSF and California Nanosystems Institute Graduate Research Fellowships. M.J.R. thanks the DOE Office of Science for a Graduate Fellowship (DOE SCGF). The authors declare no competing financial interest.

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