An organic semiconducting material comprising at least one electron transport matrix and at least one electrical n-dopant, characterized in that the electron transport matrix comprises at least one first matrix compound according to Chemical Formula I: wherein A 1, A 2, A 3 and A 4 is independently selected from single bond, an unsubstituted or substituted C 6 to C 30 arylene and an unsubstituted or substituted C 1 to C 30 heteroarylene; A 5 is selected from an unsubstituted or substituted C 6 to C 40 aryl group and/or from an unsubstituted or substituted C 2 to C 40 heteroaryl group; R 1 to R 5 are independently a substituted or unsubstituted C 6 to C 30 aryl group, a substituted or unsubstituted C 2 to C 30 heteroaryl group; a to e are independently an integer of 0 or 1 and 4 ≤ a+b+c+d+e ≤ 5; wherein, in formula, in the substituted group, at least one hydrogen is replaced by (i) deuterium, (ii) a halogen, (iii) a C 2 to C 60 tertiary amino group, wherein the nitrogen atom of the tertiary amino group is substituted with two independently selected C 1 to C 30 hydrocarbyl groups or_the nitrogen atom of the C 2 to C 60 tertiary amino group_forms a C 1 to C 30 heterocyclic group, (iv) a C 2 to C 60 phosphine oxide group, wherein the phosphorus atom of the phosphine oxide group is substituted with two C 1 to C 30 groups independently selected from hydrocarbyl, halogenated hydrocarbyl and hydrocarbyloxy or the phosphorus atom of the phosphine oxide group forms a C 1 to C 30 heterocyclic group, (v) a C 1 to C 22 silyl group, (vi) a C 1 to C 30 alkyl group, (vii) a C 1 to Cio alkylsilyl group, (viii) a C 6 to C 22 arylsilyl group, (ix) a C 3 to C 30 cycloalkyl group, (x) a C 2 to C 30 heterocycloalkyl group, (xi) a C 6 to C 30 aryl group, (xii) a C 2 to C 30 heteroaryl group, (xiii) a C 1 to C 20 alkoxy group, (xiv) a C 1 to C 30 perfluoro-hydrocarbyl group, (xv) a C 1 to C 10 trifluoroalkyl group, or (xvi) a cyano group. A 1, A 2, A 3 and A 4 is independently selected from single bond, an unsubstituted or substituted C 6 to C 30 arylene and an unsubstituted or substituted C 1 to C 30 heteroarylene; A 5 is selected from an unsubstituted or substituted C 6 to C 40 aryl group and/or from an unsubstituted or substituted C 2 to C 40 heteroaryl group; R 1 to R 5 are independently a substituted or unsubstituted C 6 to C 30 aryl group, a substituted or unsubstituted C 2 to C 30 heteroaryl group; a to e are independently an integer of 0 or 1 and 4 ≤ a+b+c+d+e ≤ 5; (i) deuterium, (ii) a halogen, (iii) a C 2 to C 60 tertiary amino group, wherein the nitrogen atom of the tertiary amino group is substituted with two independently selected C 1 to C 30 hydrocarbyl groups or_the nitrogen atom of the C 2 to C 60 tertiary amino group_forms a C 1 to C 30 heterocyclic group, (iv) a C 2 to C 60 phosphine oxide group, wherein the phosphorus atom of the phosphine oxide group is substituted with two C 1 to C 30 groups independently selected from hydrocarbyl, halogenated hydrocarbyl and hydrocarbyloxy or the phosphorus atom of the phosphine oxide group forms a C 1 to C 30 heterocyclic group, (v) a C 1 to C 22 silyl group, (vi) a C 1 to C 30 alkyl group, (vii) a C 1 to Cio alkylsilyl group, (viii) a C 6 to C 22 arylsilyl group, (ix) a C 3 to C 30 cycloalkyl group, (x) a C 2 to C 30 heterocycloalkyl group, (xi) a C 6 to C 30 aryl group, (xii) a C 2 to C 30 heteroaryl group, (xiii) a C 1 to C 20 alkoxy group, (xiv) a C 1 to C 30 perfluoro-hydrocarbyl group, (xv) a C 1 to C 10 trifluoroalkyl group, or (xvi) a cyano group.