Organic molecules for optoelectronic devices

An organic molecule, comprising:

• a first chemical moiety comprising a structure of Formula Ia:
• and
• a second chemical moiety comprising a structure of Formula Ib:
• wherein in Formulae Ia and Ib,
• T is a binding site of a single bond linking the first chemical moiety to the second chemical moiety or is R2;
• V is a binding site of a single bond linking the first chemical moiety to the second chemical moiety or is R2;
• W is a binding site of a single bond linking the first chemical moiety to the second chemical moiety or is R2;
• X is a binding site of a single bond linking the first chemical moiety to the second chemical moiety or is R2;
• * represents the binding site of the second chemical moiety to the first chemical moiety;
• R1 is at each occurrence independently from each other selected from the group consisting of:
• C1-C5-alkyl,
• which is optionally substituted with one or more substituents R5;
• C6-C60-aryl,
• which is optionally substituted with one or more substituents R5;
• and
• C2-C57-heteroaryl,
• which is optionally substituted with one or more substituents R5;
• R2 is at each occurrence independently from each other selected from the group consisting of:
• hydrogen, deuterium;
• C1-C5-alkyl,
• wherein one or more hydrogen atoms are optionally substituted by deuterium;
• C2-C8-alkenyl,
• wherein one or more hydrogen atoms are optionally substituted by deuterium;
• C2-C8-alkynyl,
• wherein one or more hydrogen atoms are optionally substituted by deuterium;
• and
• C6-C18-aryl,
• wherein one or more hydrogen atoms are optionally substituted by deuterium;
• Ra is at each occurrence independently selected from the group consisting of:
• hydrogen, deuterium, N(R5)2, OR5, Si(R5)3, B(OR5)2, B(R5)2, OSO2R5, CF3, CN, F, Br, I;
• C1-C40-alkyl,
• which is optionally substituted with one or more substituents R5 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C1-C40-alkoxy,
• which is optionally substituted with one or more substituents R5 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C1-C40-thioalkoxy,
• which is optionally substituted with one or more substituents R5 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C2-C40-alkenyl,
• which is optionally substituted with one or more substituents R5 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C2-C40-alkynyl,
• which is optionally substituted with one or more substituents R5 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C6-C60-aryl,
• which is optionally substituted with one or more substituents R5;
• and
• C2-C57-heteroaryl,
• which is optionally substituted with one or more substituents R5;
• R5 is at each occurrence independently from each other selected from the group consisting of:
• hydrogen, deuterium, N(R6)2, OR6, Si(R6)3, B(OR6)2, B(R6)2, OSO2R6, CF3, CN, F, Br, I;
• C1-C40-alkyl,
• which is optionally substituted with one or more substituents R6 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C1-C40-alkoxy,
• which is optionally substituted with one or more substituents R6 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C1-C40-thioalkoxy,
• which is optionally substituted with one or more substituents R6 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C2-C40-alkenyl,
• which is optionally substituted with one or more substituents R6 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C2-C40-alkynyl,
• which is optionally substituted with one or more substituents R6 and
• wherein one or more non-adjacent CH2-groups are optionally substituted 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;
• C6-C60-aryl,
• which is optionally substituted with one or more substituents R6;
• and
• C2-C57-heteroaryl,
• which is optionally substituted with one or more substituents R6;
• R6 is at each occurrence independently from each other selected from the group consisting of:
• hydrogen, deuterium, OPh, CF3, CN, F;
• C1-C5-alkyl,
• wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF3, or F;
• C1-C5-alkoxy,
• wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF3, or F;
• C1-C5-thioalkoxy,
• wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF3, or F;
• C2-C5-alkenyl,
• wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF3, or F;
• C2-C5-alkynyl,
• wherein one or more hydrogen atoms are optionally, independently from each other substituted by deuterium, CN, CF3, or F;
• C6-C18-aryl,
• which is optionally substituted with one or more C1-C5-alkyl substituents;
• C2-C17-heteroaryl,
• which is optionally substituted with one or more C1-C5-alkyl substituents;
• N(C6-C18-aryl)2;
• N(C2-C17-heteroaryl)2;
• and
• N(C2-C17-heteroaryl) (C6-C18-aryl);
• wherein Ra and R5, independently from each other, optionally form a mono- or polycyclic, aliphatic, aromatic, heteroaromatic and/or benzo-fused ring system with one or more adjacent substituents selected from among Ra and R5;
• wherein exactly two adjacent substituents selected from the group consisting of T, V, W and X, represent the binding sites of a single bond linking the first chemical moiety to the second chemical moiety to form a ring.