Oxygen Transport Structure
First Claim
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1. An electrolytic assembly for oxygen separation, characterized by:
- a) a first layer comprising an organic material;
b) an electrolytic layer including an oxygen-conducting material formed adjacent to the first layer, so that the electrolytic layer provides a conductivity for oxygen ions; and
, c) electric field-producing means, the field-producing means disposed to provide an electric field within the electrolytic layer so that oxygen ions are transported through the electrolytic layer when the electric field is provided.
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Abstract
An oxide-based electrolytic structure and process is disclosed, which is particularly useful for use as an oxygen separation device. The disclosed structures utilize thin film layers to provide the oxygen separation in conjunction with polymer substrate materials. The disclosed devices operate at relatively low temperatures to provide a relatively low flux density (typically 10−10-10−14 g/cm2 sec) of ion conduction, compared to prior art solid oxide electrolytes, whereas substantial oxygen separation is provided over relatively large areas. The disclosed oxygen separation devices are particularly suited for protection of organic-based semiconductors.
14 Citations
16 Claims
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1. An electrolytic assembly for oxygen separation, characterized by:
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a) a first layer comprising an organic material;
b) an electrolytic layer including an oxygen-conducting material formed adjacent to the first layer, so that the electrolytic layer provides a conductivity for oxygen ions; and
,c) electric field-producing means, the field-producing means disposed to provide an electric field within the electrolytic layer so that oxygen ions are transported through the electrolytic layer when the electric field is provided. - View Dependent Claims (2, 3, 4, 5, 7, 8, 10, 11, 12, 13, 14, 15, 16)
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6. A method for forming an oxygen separation device, comprising the steps:
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a) providing a flexible substrate comprising an organic material;
b) forming a first electrically-conducting layer over the substrate;
c) forming an ion-conducting layer over the first layer;
the ion-conducting layer providing a conductivity for oxygen ions, andd) forming a second electrically-conducting layer adjacent to the ion-conducting layer opposite the first electrically-conducting layer, so that oxygen ions are transported through the ion-conducting layer when an electric field is formed between the first electrically-conductive layer and second electrically-conductive layer.
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9. An organic semiconductor device, characterized by:
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a) a first material layer, the first layer including an organic semiconductor;
b) an ion-conducting layer formed adjacent the first layer, the electrolytic layer including an oxygen-conducting material, so that the electrolytic layer possesses a conductivity to oxygen ions;
c) electric field means, the electric field means comprising at least an electrically conductive layer adjacent the electrolytic layer for providing an electric field within the electrolytic layer, so that oxygen ions are conducted away from the semiconductor when the field is provided.
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Specification