DYE ADSORPTION DEVICE, DYE ADSORPTION METHOD, AND SUBSTRATE TREATMENT APPARATUS
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机译:染料吸附装置,染料吸附方法和基质处理装置
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摘要
[Problem] To significantly reduce processing time of a step of adsorbing dye in a porous semiconductor layer on a substrate surface. [Solution] A flow of a dye solution is formed in a gap between solution guide surfaces (92L, 92R) of a nozzle (20) and a substrate (G) during treatment, and a porous semiconductor layer of a treated surface of the substrate is subject to dye adsorption treatment in this flow of the dye solution. Furthermore, impact pressure from slit like discharge openings (88L, 88R) and pressure of turbulent flow in groove like uneven sections (94L, 94R) act in the vertical direction in addition to the flow of the dye solution. Thus aggregation and association of the dye are hardly caused on a surface part of the porous semiconductor layer of the treated surface of the substrate, the dye efficiently penetrates deeply into the porous semiconductor layer and the dye adsorption into the porous semiconductor layer proceeds at high speed.
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