Organic molecules for use in organic optoelectronic devices

An organic molecule, comprising:

• a first chemical unit comprising a structure according to Formula I:
• and
• two second chemical units, which are respectively the same or different in each occurrence, comprising a structure according to Formula II:
• wherein, in each case, the first chemical unit is connected to the two second chemical units via a single bond;
• wherein
• T is the point of attachment of the single bond between the first chemical unit and a second chemical unit or is H;
• V is the point of attachment of the single bond between the first chemical unit and a second chemical unit or is H;
• W is the point of attachment of the single bond between the first chemical unit and a second chemical unit or is selected from the group consisting of H, CN and CF3;
• X is the point of attachment of the single bond between the first chemical unit and a second chemical unit or is selected from the group consisting of H, CN and CF3;
• Y is the point of attachment of the single bond between the first chemical unit and a second chemical unit or is selected from the group consisting of H, CN and CF3;
• # identifies the point of attachment of the single bond between a second chemical unit and the first chemical unit;
• in each occurrence Z is the same or different, and is a direct bond or is selected from the group consisting of CR3R4, C═CR3R4, C═O, C═NR3, NR3, O, SiR3R4, S, S(O) and S(O)2;
• in each occurrence R1 and R2 are the same or different and are selected from the group consisting of deuterium, H, a linear alkyl group having 1 to 5 C atoms, wherein in each case one or more H atoms can be replaced by deuterium, a linear alkenyl or alkynyl group having 2 to 8 C atoms, wherein in each case one or more H atoms can be replaced by deuterium, a branched or cyclic alkyl, alkenyl or alkynyl group having 3 to 10 C atoms, wherein in each case one or more H atoms can be replaced by deuterium, and an aromatic or heteroaromatic ring system having 5 to 15 aromatic ring atoms, which can in each case be substituted with one or more radicals R6;
• in each occurrence, Ra, R3 and R4 are the same or different and are selected from the group consisting of H, deuterium, N(R5)2, OH, Si(R5)3, B(OR5)2, OSO2R5, CF3, CN, F, Br, I, a linear alkyl, alkoxy or thioalkoxy group having 1 to 40 C atoms, which can in each case be substituted with one or more radicals R5, wherein one or more non-adjacent CH2 groups can be replaced by R5C═CR5, C≡C, Si(R5)2, Ge(R5)2, Sn(R5)2, C═O, C═S, C═Se, C═NR5, P(═O)(R5), SO, SO2, NR5, O, S or CONR5, or a linear alkenyl or alkynyl group having 2 to 40 C atoms, which can in each case be substituted with one or more radicals R5, wherein one or more non-adjacent CH2 groups can be replaced by R5C═CR5, C≡C, Si(R5)2, Ge(R5)2, Sn(R5)2, C═O, C═S, C═Se, C═NR5, P(═O)(R5), SO, SO2, NR5, O, S or CONR5;
• or a branched or cyclic alkyl, alkenyl, alkynyl, alkoxy or thioalkoxy group having 3 to 40 C atoms, which can in each case be substituted with one or more radicals R5, wherein one or more non-adjacent CH2 groups can be replaced by R5C═CR5, Si(R5)2, Ge(R5)2, Sn(R5)2, C═O, C═S, C═Se, C═NR5, P(═O)(R5), SO, SO2, NR5, O, S or CONR5, or an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms, which can in each case be substituted with one or more radicals R5, or an aryloxy or heteroaryloxy group having 5 to 60 aromatic ring atoms, which can in each case be substituted with one or more radicals R5, or a diarylamino, diheteroarylamino or arylheteroarylamino group having 10 to 40 aromatic ring atoms, which can in each case be substituted with one or more radicals R5;
• in each occurrence, R5 is the same or different and is selected from the group consisting of H, deuterium, N(R6)2, OH, Si(R6)3, B(OR6)2, OSO2R6, CF3, CN, F, Br, I, a linear alkyl, alkoxy or thioalkoxy group having 1 to 40 C atoms, which can in each case be substituted with one or more radicals R6, wherein one or more non-adjacent CH2 groups can be replaced by R6C═CR6, C≡C, Si(R6)2, Ge(R6)2, Sn(R6)2, C═O, C═S, C═Se, C═NR6, P(═O)(R6), SO, SO2, NR6, O, S or CONR6, or a linear alkenyl or alkynyl group having 2 to 40 C atoms, which can in each case be substituted with one or more radicals R6, wherein one or more non-adjacent CH2 groups can be replaced by R6C═CR6, C≡C, Si(R6)2, Ge(R6)2, Sn(R6)2, C═O, C═S, C═Se, C═NR6, P(═O)(R6), SO, SO2, NR6, O, S or CONR6, or a branched or cyclic alkyl, alkenyl, alkynyl, alkoxy or thioalkoxy group having 3 to 40 C atoms, which can in each case be substituted with one or more radicals R6, wherein one or more non-adjacent CH2 groups can be replaced by R6C═CR6, C≡C, Si(R6)2, Ge(R6)2, Sn(R6)2, C═O, C═S, C═Se, C═NR6, P(═O)(R6), SO, SO2, NR6, O, S or CONR6, or an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms, which can in each case be substituted with one or more radicals R6, or an aryloxy or heteroaryloxy group having 5 to 60 aromatic ring atoms, which can in each case be substituted with one or more radicals R6, or a diarylamino, diheteroarylamino or arylheteroarylamino group having 10 to 40 aromatic ring atoms, which can in each case be substituted with one or more radicals R6;
• in each occurrence, R6 is the same or different and is selected from the group consisting of H, deuterium, OH, CF3, CN, F, a linear a linear alkyl, alkoxy or thioalkoxy group having 1 to 5 C atoms, wherein in each case one or more H atoms can be replaced by deuterium, CN or CF3, or a linear a linear alkenyl or alkynyl group having 2 to 5 C atoms, wherein in each case one or more H atoms can be replaced by deuterium, CN or CF3, or a branched or cyclic alkyl, alkenyl, alkynyl, alkoxy or thioalkoxy group having 3 to 5 C atoms, wherein in each case one or more H atoms can be replaced by deuterium, CN or CF3, or an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms, wherein in each case one or more H atoms can be replaced by deuterium, CN or CF3, or an aryloxy or heteroaryloxy group having 5 to 60 aromatic ring atoms, wherein in each case one or more H atoms can be replaced by deuterium, CN or CF3, or a diarylamino, diheteroarylamino or arylheteroarylamino group having 10 to 40 aromatic ring atoms, wherein in each case one or more H atoms can be replaced by deuterium, CN or CF3;
• wherein each of the radicals Ra, R3, R4 or R5 can also form a mono- or polycyclic, aliphatic, aromatic and/or benzoannelated ring system with one or more further radicals Ra, R3, R4 or R5;
• wherein
• exactly one radical selected from the group consisting of W, X and Y is CN or CF3 and exactly two radicals selected from the group consisting of T, V, W, X and Y are a point of attachment of the single bond between the first chemical unit and a second chemical unit.