A complimentary polymer or “dual-polymer” electrochromic device and methods of preparing the same are provided.
대표청구항▼
1. A dual-polymer electrochromic device, comprising: (a) a cathodically coloring electrode comprising a copolymer of 2,2-dibenzyl-3,4-propylenedioxythiophene, 2,2-bis(4-chlorobenzyl)-3,4-propylenedioxythiophene, and 2,2-bis(4-bromobenzyl)-3,4-propylenedioxythiophene;(b) an anodically coloring electr
1. A dual-polymer electrochromic device, comprising: (a) a cathodically coloring electrode comprising a copolymer of 2,2-dibenzyl-3,4-propylenedioxythiophene, 2,2-bis(4-chlorobenzyl)-3,4-propylenedioxythiophene, and 2,2-bis(4-bromobenzyl)-3,4-propylenedioxythiophene;(b) an anodically coloring electrode comprising a copolymer of N,N′-diphenylbenzidine, diphenyl amine, and 4-aminobiphenyl; and(c) an electrolyte disposed between and in electrochemical communication with the cathodically coloring electrode and anodically coloring electrode. 2. The dual-polymer electrochromic device of claim 1, wherein the cathodically coloring electrode comprises a conductive transparent substrate. 3. The dual-polymer electrochromic device of claim 2, wherein the conductive transparent substrate comprises indium-tin-oxide(ITO)/glass, ITO/poly(ethylene terephthalate)(PET), tin-oxide/glass, tin-oxide/PET, gold/glass, carbon-nanotubes/glass, carbon-nanotubes/PET, gold/PET, or a combination thereof. 4. The dual-polymer electrochromic device of claim 1, wherein the anodically coloring electrode comprises a conductive transparent substrate. 5. The dual-polymer electrochromic device of claim 4, wherein the conductive transparent substrate comprises indium-tin-oxide(ITO)/glass, ITO/poly(ethylene terephthalate)(PET), tin-oxide/glass, tin-oxide/PET, gold/glass, carbon-nanotubes/glass, carbon-nanotubes/PET, gold/PET, or a combination thereof. 6. The dual-polymer electrochromic device of claim 1, wherein the electrolyte comprises a liquid electrolyte, solid electrolyte, gel electrolyte, or a combination thereof.
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