An organic thin film, which is a single film containing a first material which is a hexahydropyrimidopyrimidine compound having a structure of the following formula and a second material which transports electrons or a laminate film including a film containing the first material and a film containing the second material, wherein R 1 is an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon group, wherein the aromatic heterocyclic group is a compound consisting of one aromatic heterocyclic ring selected from thiophene, furan, pyrrole, oxazole, oxadiazole, thiazole, thiadiazole, imidazole, pyrimidine, pyrazine, or triazine; a compound in which any two or more of the compounds each consisting of one aromatic heterocyclic ring are directly bound to each other via a carbon-carbon bond, and bipyridine; and a group prepared by removing 1 to 4 hydrogen atoms from any of the aromatic heterocyclic rings of a condensed cyclic heteroaromatic hydrocarbon compound, selected from quinoline, quinoxaline, benzothiophene, benzothiazole, benzimidazole, benzoxazole, indole, carbazole, dibenzofuran, dibenzothiophene, acridine, or phenanthroline, a group of a combination of two or more of an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon groups, or a group of a combination of one or more of an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon groups, and a nitrogen atom; and n is an integer of 1 to 4. a single film containing a first material which is a hexahydropyrimidopyrimidine compound having a structure of the following formula and a second material which transports electrons or a laminate film including a film containing the first material and a film containing the second material, wherein R 1 is an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon group, wherein the aromatic heterocyclic group is a compound consisting of one aromatic heterocyclic ring selected from thiophene, furan, pyrrole, oxazole, oxadiazole, thiazole, thiadiazole, imidazole, pyrimidine, pyrazine, or triazine; a compound in which any two or more of the compounds each consisting of one aromatic heterocyclic ring are directly bound to each other via a carbon-carbon bond, and bipyridine; and a group prepared by removing 1 to 4 hydrogen atoms from any of the aromatic heterocyclic rings of a condensed cyclic heteroaromatic hydrocarbon compound, selected from quinoline, quinoxaline, benzothiophene, benzothiazole, benzimidazole, benzoxazole, indole, carbazole, dibenzofuran, dibenzothiophene, acridine, or phenanthroline, a group of a combination of two or more of an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon groups, or a group of a combination of one or more of an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon groups, and a nitrogen atom; and n is an integer of 1 to 4. wherein R 1 is an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon group, wherein the aromatic heterocyclic group is a compound consisting of one aromatic heterocyclic ring selected from thiophene, furan, pyrrole, oxazole, oxadiazole, thiazole, thiadiazole, imidazole, pyrimidine, pyrazine, or triazine; a compound in which any two or more of the compounds each consisting of one aromatic heterocyclic ring are directly bound to each other via a carbon-carbon bond, and bipyridine; and a group prepared by removing 1 to 4 hydrogen atoms from any of the aromatic heterocyclic rings of a condensed cyclic heteroaromatic hydrocarbon compound, selected from quinoline, quinoxaline, benzothiophene, benzothiazole, benzimidazole, benzoxazole, indole, carbazole, dibenzofuran, dibenzothiophene, acridine, or phenanthroline, a group of a combination of two or more of an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon groups, or a group of a combination of one or more of an optionally substituted aromatic hydrocarbon group, an optionally substituted aromatic heterocyclic group, an optionally substituted arylalkylene group, an optionally substituted divalent to tetravalent acyclic or cyclic hydrocarbon groups, and a nitrogen atom; and n is an integer of 1 to 4.