Method for synthesizing titanium oxide particles, titanium oxide particles, paste for dye-sensitized solar cells, oxide semiconductor film, oxide semiconductor electrode, and dye sensitized solar cell

摘要

PROBLEM TO BE SOLVED: To provide an anatase type titanium oxide particle in which a (001) plane is exposed as a principal plane.SOLUTION: The present invention relates to the anatase type titanium oxide particle in which the (001) plane is exposed as a principal plane, wherein a ratio of particle length A in [001] direction/particle length B in [100] direction is 0.1 or more and less than 2.5, and sodium content is 500 ppm or less.