A fullerene derivative represented by the following Formula 1: in Formula 1, Cn is a C 60 to C 84 fullerene, p is an integer of 1 to 4, and when p is 2 or more, the structures in the parenthesis are the same as or different from each other, L is CRaRb, and m is an integer of 0 to 3, and when m is 2 or more, Ls are the same as or different from each other, X1 to X3 are the same as or different from each other, and are each independently S; O; PR; CRR'; SO 2; P(=O)R; or SiRR', at least one of X1 to X3 is S; O; PR; SO 2; P(=O)R; or SiRR', and R1, R2, Ra, Rb, R and R' are the same as or different from each other, and are each independently hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; an imide group; an amide group; a hydroxyl group; an ester group; a carbonyl group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted arylalkyl group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylthioxy group; a substituted or unsubstituted arylthioxy group; a substituted or unsubstituted alkylsulfoxy group; a substituted or unsubstituted arylsulfoxy group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted silyl group; a substituted or unsubstituted boron group; a substituted or unsubstituted alkylamine group; a substituted or unsubstituted aralkylamine group; a substituted or unsubstituted arylamine group; a substituted or unsubstituted heteroarylamine group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heterocyclic group, or two substituents adjacent to each other in R1, R2, Ra, Rb, R and R' combine with each other to form a double bond; cycloalkyl; cycloalkenyl; cyclic ketone; an aromatic ring; or a hetero ring, or two substituents in the same atom in R1, R2, Ra, Rb, R and R' combine with each other to form a spiro bond; a carbonyl group; an imine group; or an alkenyl group, the formed cycloalkyl, cycloalkenyl, aromatic ring; hetero ring, or spiro bond is unsubstituted or substituted with an additional substituent, when X1 and X3 are the same as or different from each other, and are each independently PR, CRR', P(=O)R, or SiRR', and m is 1, R1 or R2 and R or R' of X1; and Ra or Rb and R or R' of X3 do not form an aromatic ring simultaneously, and when X2 is S, m is 1, R1 and R2 are hydrogen, or Ra and Rb are hydrogen, and two substituents adjacent to each other in R1, R2, Ra, Rb, R and R' combine with each other to form an aromatic ring, the aromatic ring is substituted with an additional substituent. Cn is a C 60 to C 84 fullerene, p is an integer of 1 to 4, and when p is 2 or more, the structures in the parenthesis are the same as or different from each other, L is CRaRb, and m is an integer of 0 to 3, and when m is 2 or more, Ls are the same as or different from each other, X1 to X3 are the same as or different from each other, and are each independently S; O; PR; CRR'; SO 2; P(=O)R; or SiRR', at least one of X1 to X3 is S; O; PR; SO 2; P(=O)R; or SiRR', and R1, R2, Ra, Rb, R and R' are the same as or different from each other, and are each independently hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; an imide group; an amide group; a hydroxyl group; an ester group; a carbonyl group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted arylalkyl group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted alkylthioxy group; a substituted or unsubstituted arylthioxy group; a substituted or unsubstituted alkylsulfoxy group; a substituted or unsubstituted arylsulfoxy group; a substituted or unsubstituted alkenyl group; a substituted or unsubstituted silyl group; a substituted or unsubstituted boron group; a substituted or unsubstituted alkylamine group; a substituted or unsubstituted aralkylamine group; a substituted or unsubstituted arylamine group; a substituted or unsubstituted heteroarylamine group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heterocyclic group, or two substituents adjacent to each other in R1, R2, Ra, Rb, R and R' combine with each other to form a double bond; cycloalkyl; cycloalkenyl; cyclic ketone; an aromatic ring; or a hetero ring, or two substituents in the same atom in R1, R2, Ra, Rb, R and R' combine with each other to form a spiro bond; a carbonyl group; an imine group; or an alkenyl group, the formed cycloalkyl, cycloalkenyl, aromatic ring; hetero ring, or spiro bond is unsubstituted or substituted with an additional substituent, when X1 and X3 are the same as or different from each other, and are each independently PR, CRR', P(=O)R, or SiRR', and m is 1, R1 or R2 and R or R' of X1; and Ra or Rb and R or R' of X3 do not form an aromatic ring simultaneously, and when X2 is S, m is 1, R1 and R2 are hydrogen, or Ra and Rb are hydrogen, and two substituents adjacent to each other in R1, R2, Ra, Rb, R and R' combine with each other to form an aromatic ring, the aromatic ring is substituted with an additional substituent.