A photosensitive organic dye is adapted to be used in a photoelectric converting device such as a dye-sensitized solar cell. The photosensitive organic dye having a structural formula (I): where, Aryl1 represents substituted or unsubstituted aryl with one or more aromatic rings, NR2R3 represents a substituted electron-donating group, wherein N represents a nitrogen atom, and R2 and R3 independently represent identical or different substituted or unsubstituted hydrocarbon groups, L represents an optional linker unit, and A represents an electron-withdrawing group.