METHOD FOR PRODUCING POROUS TITANIUM OXIDE LAMINATE
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United States of America Patent
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Oct 8, 2015
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Jul 12, 2013
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Nov 27, 2012
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Abstract
The present invention aims to provide a method for producing a porous titanium oxide laminate which enables production of a porous titanium oxide layer having a high porosity and containing fewer impurities even through low-temperature firing, and a dye-sensitized solar cell including the porous titanium oxide laminate. The present invention relates to a method for producing a porous titanium oxide laminate including the steps of: printing a titanium oxide paste containing titanium oxide fine particles, a (meth)acrylic resin, and an organic solvent on a base material for forming a titanium oxide paste layer on the base material; firing the titanium oxide paste layer; and irradiating the fired titanium oxide paste layer with ultraviolet light, the titanium oxide fine particles having an average particle size of 5 to 50 nm, the ultraviolet light being radiated in a total amount of 100 J/cm2 or more in the step of irradiating the fired titanium oxide paste layer with ultraviolet light.
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