Conductive polymer-inorganic hybrid composites
AssigneeThe Board of Governors for Higher Education the State of Rhode Island and Providence Plantation.
InventorsJohn Sinko, Sze Cheng Yang
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Abstract
An organic-inorganic hybrid composite which comprises an inorganic component and an organic conducting component. The inorganic component inhibits deprotonation of the organic conducting component when the composite is exposed to a medium having a pH which would deprotonate the organic conducting component but for the presence of the inorganic component.
Claims32
An organic-inorganic hybrid composite which comprises:
- an inorganic component;
- and an organic conducting component;
- the inorganic component inhibiting deprotonation of the organic conducting component when the composite is exposed to a medium having a pH which would deprotonate the organic conducting component but for the presence of the inorganic components wherein the medium is an aciueous medium having a pH greater than 6 and further wherein the organic conducting polymer is a water-dispersible inherently conductive polymer which comprises:
- a first strand comprised of a π-conjugated polymer;
- and
- a second strand comprised of a polymer selected from the group consisting of poly(styrene sulfonic acid), poly(acrylic acid), poly(vinylmethylether-co-maleic acid) and poly(vinylphosphonic acid).
An organic-inorganic hybrid composite which comprises:
- an inorganic component;
- and
- an organic conducting component;
- the inorganic component inhibiting deprotonation of the organic conducting component when the composite is exposed to a medium having a pH which would deprotonate the organic conducting component but for the presence of the inorganic component, wherein the medium is an aqueous medium having a pH greater than 6 and further wherein the organic conducting polymer is a water-dispersible inherently conductive polymer which comprises:
- a first strand comprised of a π-conjugated polymer;
- and
- a second strand comprised of a polymer selected from the group consisting of poly(styrene sulfonic acid), poly(acrylic acid), poly(vinylmethylether-co-maleic acid) and poly(vinylphosphonic acid) wherein the inorganic component comprises a matrix, the organic component being intercalated in the matrix.
A method for inhibiting the deprotonation of an inherently conductive organic polymer which comprises:
- adding an inorganic solid to a solution comprised of the inherently conductive organic polymer to form a mixture;
- stirring the mixture to facilitate the spontaneous adsorption of the inherently conductive organic polymer to the inorganic solid to form an inorganic-hybrid composite;
- separating the composite from the mixture, the composite having a core comprised of the inorganic solid enveloped by the adsorbed inherently conductive organic polymer, the inorganic-hybrid composite inhibiting the deprotonation of the inherently conducive organic polymer when the inherently conductive organic polymer is subjected to a medium having a pH which would deprotonate the organic polymer but for the presence of the inorganic solid.
A method of synthesizing a composite which can inhibit the deprotonation of an inherently conductive organic polymer which comprises:
- adding the inorganic component to the organic conducting component to form a mixture;
- stirring the mixture to facilitate the spontaneous adsorption of the organic conducting component to the inorganic component;
- separating the mixture to yield the composite.
A method for inhibiting the deprotonation of an inherently conductive organic polymer which comprises:
- adding an inorganic solid to a solution comprised of the inherently conductive organic polymer to form a mixture;
- stirring the mixture to from an inorganic-hybrid composite;
- separating the composite from the mixture, the composite inhibiting the deprotonation of the inherently conducive organic polymer when the inherently conductive organic polymer is subjected to a medium having a pH which would deprotonate the organic polymer but for the presence of the inorganic solid.
Dependencies are inferred from the claim text.