MANUFACTURING METHOD FOR TITANIUM OXIDE FINE PARTICLES, PHOTOELECTRIC CONVERSION ELEMENT AND PHOTOCELL

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method of titanium oxide fine particles which are suitable for a photoelectric conversion element and to provide a dye sensitized photoelectric conversion element of superior conversion efficiency and a photocell. SOLUTION: This manufacturing method of the titanium oxide fine particles is provided with the process of heating titanium oxide sol which is in the presence of a specified urea compound, and the method is used for the photoelectric conversion element and the photocell.