| 摘要 |
<p>A multiple-glazed window unit (20) of the type which includes two or more sheets (22, 24) maintained in spaced relationship to each other by a spacing assembly (38) to form an airspace (28) wherein surfaces of the unit in contact with the airspace are subject to the accumulation thereon of moisture and/or organic contaminants present in the airspace is rendered self-desiccating of accumulated moisture and/or self-cleaning of accumulated organic surface contaminants by coating such surfaces with a photoelectrolytically-desiccating coating (42) and/or a photocatalytically-activated self-cleaning coating (50). Upon exposing the coatings to actinic radiation, at least a portion of the accumulated moisture is removed by photoelectrolysis and/or at least a portion of the organic contaminants are removed by photocatalytic decomposition. A desiccant may or may not be associated with the airspace to assist in maintaining a moisture-free airspace. Exterior surfaces of the unit may also be rendered self-cleaning of accumulated organic surface contaminants by coating such exterior surfaces with a photocatalytically-activated self-cleaning coating (50).</p> |
