An N-type semiconductor composition, comprising fullerene or a fullerene derivative; and a fullerene subunit derivative, characterized in that the fullerene subunit derivative is represented by Chemical Formula 1: wherein, in Chemical Formula 1, Cy is a cyclic group selected from a C3 to C20 alicyclic group and a C6 to C20 aromatic group, or a fused cyclic group of two or more cyclic groups, wherein the cyclic group in Cy is a heterocyclic group including at least one functional group selected from -N=, -NR-, -O-, -S-, -Se-, -Te-, -C(=O)-, -C(=S)-, - C(=Se)-, -C(=Te)-, -C(=C 2)-, and -C(=NR)- wherein R is a C1 to C10 alkyl group, X is at least one bulky substituent selected from a substituted or unsubstituted C3 to C30 branched alkyl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C3 to C30 heterocycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, and a substituted or unsubstituted C2 to C30 heteroaryl group, R 2 and R 7 are a bulky substituent selected from a substituted or unsubstituted C3 to C20 branched alkyl group, a substituted or unsubstituted C3 to C20 branched alkoxy group, a substituted or unsubstituted C3 to C20 branched alkylsilyl group, a substituted or unsubstituted C3 to C20 branched heteroalkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C3 to C30 heterocycloalkyl group, and a combination thereof, and R 1, R 3, R 4, R 5, R 6, and R 8 are hydrogen, deuterium, a halogen, a cyano group, a C1 to C20 linear alkyl group, or a combination thereof. fullerene or a fullerene derivative; and a fullerene subunit derivative, characterized in that the fullerene subunit derivative is represented by Chemical Formula 1: wherein, in Chemical Formula 1, Cy is a cyclic group selected from a C3 to C20 alicyclic group and a C6 to C20 aromatic group, or a fused cyclic group of two or more cyclic groups, wherein the cyclic group in Cy is a heterocyclic group including at least one functional group selected from -N=, -NR-, -O-, -S-, -Se-, -Te-, -C(=O)-, -C(=S)-, - C(=Se)-, -C(=Te)-, -C(=C 2)-, and -C(=NR)- wherein R is a C1 to C10 alkyl group, X is at least one bulky substituent selected from a substituted or unsubstituted C3 to C30 branched alkyl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C3 to C30 heterocycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, and a substituted or unsubstituted C2 to C30 heteroaryl group, R 2 and R 7 are a bulky substituent selected from a substituted or unsubstituted C3 to C20 branched alkyl group, a substituted or unsubstituted C3 to C20 branched alkoxy group, a substituted or unsubstituted C3 to C20 branched alkylsilyl group, a substituted or unsubstituted C3 to C20 branched heteroalkyl group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C2 to C30 heteroaryl group, a substituted or unsubstituted C3 to C30 cycloalkyl group, a substituted or unsubstituted C3 to C30 heterocycloalkyl group, and a combination thereof, and R 1, R 3, R 4, R 5, R 6, and R 8 are hydrogen, deuterium, a halogen, a cyano group, a C1 to C20 linear alkyl group, or a combination thereof.