Electrochromic devices having an electron shuttle
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Abstract
An electrochromic device comprising: a first substantially transparent substrate having an electrically conductive material associated therewith; a second substrate having an electrically conductive material associated therewith; and an electrochromic medium contained within a chamber positioned between the first and second substrates which comprises: at least one solvent; an anodic material; a cathodic material, wherein both of the anodic and cathodic materials are electroactive and at least one of the anodic and cathodic materials is electrochromic, and wherein at least one of the anodic and cathodic materials is slow-diffusing; and an electron shuttle, wherein the electron shuttle serves to decrease switching time of the electrochromic device relative to the same without the electron shuttle.
29 Citations
42 Claims
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1. (canceled).
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2. An electrochromic device, comprising:
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a first substantially transparent substrate having an electrically conductive material associated therewith;
a second substrate having an electrically conductive material associated therewith; and
an electrochromic medium contained within a chamber positioned between the first and second substrates which comprises;
at least one solvent;
an anodic electrochromic material comprising a chromophore;
a cathodic electrochromic material comprising a chromophore; and
an electron shuttle comprising the same chromophore as at least one of the anodic and cathodic electrochromic materials, wherein the electron shuttle serves to decrease switching time of the electrochromic device relative to the same without the electron shuttle. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15)
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16. An electrochromic device, comprising:
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a first substantially transparent substrate having an electrically conductive material associated therewith;
a second substrate having an electrically conductive material associated therewith; and
an electrochromic medium contained within a chamber positioned between the first and second substrates which comprises;
at least one solvent;
an anodic electrochromic material comprising a chromophore;
a cathodic electrochromic material comprising a chromophore;
an electron shuttle comprising the same chromophore as at least one of the anodic and cathodic electrochromic materials, wherein the electron shuttle serves to decrease switching time of the electrochromic device relative to the same without the electron shuttle; and
wherein the electrochromic medium comprises a cross-linked polymer matrix. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. An electrochromic device, comprising:
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a first substantially transparent substrate having an electrically conductive material associated therewith; and
an electrochromic medium which comprises;
at least one solvent;
an anodic electrochromic material comprising a chromophore;
a cathodic electrochromic material comprising a chromophore; and
an electron shuttle comprising the same chromophore as at least one of the anodic and cathodic electrochromic materials, wherein the electron shuttle serves to decrease switching time of the electrochromic device relative to the same without the electron shuttle. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification