A phthalocyanine nanorod comprising an unsubstituted phthalocyanine and a substituted phthalocyanine, the phthalocyanine nanorod having a breadth of 100 nm or less and a ratio (length/breadth) of a length to the breadth, the ratio being less than 10, the unsubstituted phthalocyanine being represented by a general formula or (where X represents any one selected from the group consisting of a copper atom, a zinc atom, a cobalt atom, a nickel atom, a tin atom, a lead atom, a magnesium atom, a silicon atom, an iron atom, a palladium atom, TiO, VO, and AlCl), and the substituted phthalocyanine being represented by a general formula,,,, or (where X represents any one selected from the group consisting of a copper atom, a zinc atom, a cobalt atom, a nickel atom, a tin atom, a lead atom, a magnesium atom, a silicon atom, an iron atom, a palladium atom, TiO, VO, and AlCl; when Y 1 to Y 4 represent bonding groups that bond the phthalocyanine skeletons to R 1 to R 4, the bonding groups each being -(CH 2) n - (n represents an integer of 1 to 10), -CH=CH-, -C≡C-, -O-, -NH-, -S-, -S -, or -S 2 -, R 1 to R 4 each represent an alkyl group that may optionally have a substituent, an (oligo)aryl group that may optionally have a substituent, an (oligo)heteroaryl group that may optionally have a substituent, a phthalimide group that may optionally have a substituent, or a fullerene that may optionally have a substituent; when Y 1 to Y 4 serving as the bonding groups are not present, R 1 to R 4 each represent -SO 3 H, -CO 2 H, an alkyl group that may optionally have a substituent, an (oligo)aryl group that may optionally have a substituent, an (oligo)heteroaryl group that may optionally have a substituent, a phthalimide group that may optionally have a substituent, or a fullerene that may optionally have a substituent; a, b, c, and d each independently represent an integer of 0 to 4 and at least one of a to d is not zero), (where X represents any one selected from the group consisting of a copper atom, a zinc atom, a cobalt atom, a nickel atom, a tin atom, a lead atom, a magnesium atom, a silicon atom, an iron atom, a palladium atom, TiO, VO, and AlCl; Z represents a group represented by a formula (a) or (b) below; and a, b, c, and d each independently represent an integer of 0 to 4 and at least one of a to d is not zero), (where n represents an integer of 4 to 100; Q each independently represents a hydrogen atom or a methyl group; and Q' represents a methyl group, an ethyl group, a n-propyl group, an isopropyl group, a n-butyl group, an isobutyl group, a n-pentyl group, a n-hexyl group, a n-octyl group, a 2-ethyl-hexyl group, a n-dodecyl group, a stearyl group, a n-tetracosyl group, a n-triacontyl group, a vinyl group, a propenyl group, an isopropenyl group, a butenyl group, a pentenyl group, an isoprene group, a hexenyl group, a heptenyl group, an octenyl group, a decenyl group, a geranyl group, an ethynyl group, a 2-propynyl group, or a 2-pentene-4-ynyl group), and (where m represents an integer of 1 to 20; and R and R' each independently represent an alkyl group having 1 to 20 carbon atoms), (where X represents a copper atom or a zinc atom; n represents an integer of 1 to 20; m represents an average number of the substituent introduced, the average number being 0 to 4; and R 1 to R 4 each independently represent a halogen, an alkyl group having 1 to 20 carbon atoms, an alkyloxy group having 1 to 20 carbon atoms, or an alkylthio group having 1 to 20 carbon atoms) and (where X represents a copper atom or a zinc atom; n represents an integer of 1 to 20; m represents an average number of the substituent introduced, the average number being 0 to 4; and R 1 and R 2 each independently represent a halogen, an alkyl group having 1 to 20 carbon atoms, an alkyloxy group having 1 to 20 carbon atoms, or an alkylthio group having 1 to 20 carbon atoms).