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US 2007/0191576 A1Published application
Conductive polymers from precursor polymers, method of making, and use thereof
AssigneeUniversity of Connecticut
InventorGregory Sotzing
Life of this patent
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Abstract
Disclosed herein are precursor polymers containing units of heteroaryls and units of Si, Sn, Ge, or Pb, methods of producing the precursor polymers, and applications utilizing these precursor polymers to prepare conductive polymers.
Claims36
A precursor polymer, comprising:
- a polymer according to the structure:
- wherein
- Ar is a heteroaryl group;
- each occurrence of R1 and R2 is independently C1-C12 alkyl, C1-C12 haloalkyl, or aryl;
- X is O, S, (YR1R2)x, or (CRaRb)x wherein x is 0, 1, 2, 3, or 4, and Ra and Rb are independently hydrogen, C1-C12 alkyl, or C1-C12 haloalkyl;
- each occurrence of Y is independently Si, Ge, Sn, or Pb;
- and
- n is about 10 or greater;
- copolymers thereof or blends comprising at least one of the foregoing polymers.
6 more elements
A polymer, comprising:
- a polymer according to the structure:
- wherein
- Ar is a heteroaryl group;
- each occurrence of R1 and R2 is independently C1-C12 alkyl, C1-C12 haloalkyl, or aryl;
- X is O, S, (YR1R2)x, or (CRaRb)x wherein x is 0, 1, 2, 3, or 4, and Ra and Rb are independently hydrogen, C1-C12 alkyl, or C1-C12 haloalkyl;
- each occurrence of Y is independently Si, Ge, Sn, or Pb;
- m is about 3 or greater;
- p is about 5 or greater;
- and
- copolymers thereof or blends comprising at least one of the foregoing polymers.
7 more elements
A method of preparing a conductive conjugated polymer, comprising:
- converting a precursor polymer having the following structure:
- copolymers thereof or blends comprising at least one of the foregoing polymers wherein
- each occurrence of Ar is independently a heteroaryl group;
- each occurrence of R1 and R2 is independently C1-C12 alkyl, C1-C12 haloalkyl, or aryl;
- X is O, S, (YR1R2)x, or (CRaRb)x wherein x is 0, 1, 2, 3, or 4, and Ra and Rb are independently hydrogen, C1-C12 alkyl, or C1-C12 haloalkyl;
- each occurrence of Y is independently Si, Ge, Sn, or Pb;
- and
- n is about 10 or greater;
- to form a conductive conjugated polymer having the structure:
- wherein
- each occurrence of Ar is independently a heteroaryl group;
- each occurrence of R1 and R2 is independently C1-C12 alkyl, C1-C12 haloalkyl, or aryl;
- X is O, S, (YR1R2)x, or (CRaRb)X wherein x is 0, 1, 2, 3, or 4, and Ra and Rb are independently hydrogen, C1-C12 alkyl, or C1-C12 haloalkyl;
- each occurrence of Y is independently Si, Ge, Sn, or Pb;
- m is about 3 or greater;
- and
- p is about 5 or greater.
14 more elements
Dependencies are inferred from the claim text.