Multicolored electrochromic polymer compositions and methods of making and using the same
First Claim
Patent Images
1. An electrochromic polymer, comprising:
- a plurality of π
-conjugated chromophores in spaced relation with one another, wherein each π
-conjugated chromophore is colored in a neutral state, and is colored or transmissive in an oxidized state; and
a plurality of conjugation-break spacers (CBSs), wherein at least one CBS separates adjacent π
-conjugated chromophores,wherein at least one of the plurality of π
-conjugated chromophores comprises at least one optionally substituted 3,4-propylenedioxythiophene moiety, at least one optionally substituted benzene moiety, or at least one optionally substituted benzo[c][1,2,5]thiadiazole moiety, or combinations thereof.
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Abstract
This disclosure relates generally to electrochromic polymers that include a plurality of π-conjugated chromophores in spaced relation with one another, and a plurality of conjugation-break spacers (CBSs), where at least one CBS separates adjacent chromophores. The chromophores may be colored in the neutral state, and multicolored to transmissive in different oxidization states.
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Citations
11 Claims
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1. An electrochromic polymer, comprising:
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a plurality of π
-conjugated chromophores in spaced relation with one another, wherein each π
-conjugated chromophore is colored in a neutral state, and is colored or transmissive in an oxidized state; anda plurality of conjugation-break spacers (CBSs), wherein at least one CBS separates adjacent π
-conjugated chromophores,wherein at least one of the plurality of π
-conjugated chromophores comprises at least one optionally substituted 3,4-propylenedioxythiophene moiety, at least one optionally substituted benzene moiety, or at least one optionally substituted benzo[c][1,2,5]thiadiazole moiety, or combinations thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification