A compound, suitable for use as a layer material for an organic electronic device, according to formula I: wherein X 1 to X 20 are independently selected from N, C-H, C- R 1, C-Z, and/or at least two of X 1 to X 5, X 6 to X 10, X 11 to X 15, X 16 to X 20, which are connected to each other by a chemical bond, are bridged to form an anellated aromatic ring or anellated heteroaromatic ring; and wherein at least one X 1 to X 20 is C-Z; or at least one X 1 to X 20 is C-Z and at least one X 1 to X 20 is C- R 1; R 1 is selected from -NR 2 R 3 or -BR 2 R 3; R 2 and R 3 are independently selected C 6-24 aryl or C 2-20 heteroaryl; Z is a substituent of formula II: wherein Ar 1 is a substituted or unsubstituted triazine ring, wherein the substituents of the substituted triazine ring are independently selected from linear C 1-20 alkyl, branched C 3-20 alkyl or C 3-20 cyclic alkyl, linear C 1-12 fluorinated alkyl, linear C 1-12 fluorinated alkoxy, branched C 3-12 fluorinated alkyl, branched C 3-12 fluorinated alkoxy, C 3-12 cyclic fluorinated alkyl, C 3-12 cyclic fluorinated alkoxy, OR, SR, (P=O)R 2 or formula 1 with the exception that X 1 to X 20 are not C-Z; Ar 2 are independently selected from: - formula I, with the exception that X 1 to X 20 are not C-Z, - substituted or unsubstituted C 6-60 aryl, and substituted or unsubstituted C 2 -C 60 heteroaryl; wherein the substituents of the C 6-60 aryl and C 2 -C 60 heteroaryl are independently selected from C 1- C 20 linear alkyl, C 3- C 20 branched alkyl, C 3 -C 20 cyclic alkyl; C 1- C 20 linear alkoxy, C 3- C 20 branched alkoxy; linear fluorinated C 1- C 12 alkyl, or linear fluorinated C 1- C 12 alkoxy; C 3- C 12 branched cyclic fluorinated alkyl, C 3- C 12 cyclic fluorinated alkyl, C 3- C 12 cyclic fluorinated alkoxy; nitrile; OR, SR, (C=O)R, (C=O)NR 2, SiR 3, (S=O)R, (S=O) 2 R, (P=O)R 2; R is C 1- C 20 linear alkyl, C 1- C 20 alkoxy, C 1- C 20 thioalkyl, C 3- C 20 branched alkyl, C 3- C 20 cyclic alkyl, C 3- C 20 branched alkoxy, C 3- C 20 cyclic alkoxy, C 3 -C 20 branched thioalkyl, C 3- C 20 cyclic thioalkyl, C 6- C 20 aryl and C 3- C 20 heteroaryl; m is selected from 1, 2 or 3. X 1 to X 20 are independently selected from N, C-H, C- R 1, C-Z, and/or at least two of X 1 to X 5, X 6 to X 10, X 11 to X 15, X 16 to X 20, which are connected to each other by a chemical bond, are bridged to form an anellated aromatic ring or anellated heteroaromatic ring; and wherein at least one X 1 to X 20 is C-Z; or at least one X 1 to X 20 is C-Z and at least one X 1 to X 20 is C- R 1; R 1 is selected from -NR 2 R 3 or -BR 2 R 3; R 2 and R 3 are independently selected C 6-24 aryl or C 2-20 heteroaryl; Z is a substituent of formula II: Ar 1 is a substituted or unsubstituted triazine ring, wherein the substituents of the substituted triazine ring are independently selected from linear C 1-20 alkyl, branched C 3-20 alkyl or C 3-20 cyclic alkyl, linear C 1-12 fluorinated alkyl, linear C 1-12 fluorinated alkoxy, branched C 3-12 fluorinated alkyl, branched C 3-12 fluorinated alkoxy, C 3-12 cyclic fluorinated alkyl, C 3-12 cyclic fluorinated alkoxy, OR, SR, (P=O)R 2 or formula 1 with the exception that X 1 to X 20 are not C-Z; Ar 2 are independently selected from: - formula I, with the exception that X 1 to X 20 are not C-Z, - substituted or unsubstituted C 6-60 aryl, and substituted or unsubstituted C 2 -C 60 heteroaryl; wherein the substituents of the C 6-60 aryl and C 2 -C 60 heteroaryl are independently selected from C 1- C 20 linear alkyl, C 3- C 20 branched alkyl, C 3 -C 20 cyclic alkyl; C 1- C 20 linear alkoxy, C 3- C 20 branched alkoxy; linear fluorinated C 1- C 12 alkyl, or linear fluorinated C 1- C 12 alkoxy; C 3- C 12 branched cyclic fluorinated alkyl, C 3- C 12 cyclic fluorinated alkyl, C 3- C 12 cyclic fluorinated alkoxy; nitrile; OR, SR, (C=O)R, (C=O)NR 2, SiR 3, (S=O)R, (S=O) 2 R, (P=O)R 2; - formula I, with the exception that X 1 to X 20 are not C-Z, - substituted or unsubstituted C 6-60 aryl, and substituted or unsubstituted C 2 -C 60 heteroaryl; wherein the substituents of the C 6-60 aryl and C 2 -C 60 heteroaryl are independently selected from C 1- C 20 linear alkyl, C 3- C 20 branched alkyl, C 3 -C 20 cyclic alkyl; C 1- C 20 linear alkoxy, C 3- C 20 branched alkoxy; linear fluorinated C 1- C 12 alkyl, or linear fluorinated C 1- C 12 alkoxy; C 3- C 12 branched cyclic fluorinated alkyl, C 3- C 12 cyclic fluorinated alkyl, C 3- C 12 cyclic fluorinated alkoxy; nitrile; OR, SR, (C=O)R, (C=O)NR 2, SiR 3, (S=O)R, (S=O) 2 R, (P=O)R 2; R is C 1- C 20 linear alkyl, C 1- C 20 alkoxy, C 1- C 20 thioalkyl, C 3- C 20 branched alkyl, C 3- C 20 cyclic alkyl, C 3- C 20 branched alkoxy, C 3- C 20 cyclic alkoxy, C 3 -C 20 branched thioalkyl, C 3- C 20 cyclic thioalkyl, C 6- C 20 aryl and C 3- C 20 heteroaryl; m is selected from 1, 2 or 3.