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US 2024/0254385 A1Published application
Luminescent janus-type, two-coordinated metal complexes
AssigneeUniversity of Southern California
InventorsPeter I. Djurovich, Mark E. Thompson, Narcisse Ukwitegetse, Tian-Yi Li, Rasha Hamze
Life of this patent
Estimating the term…
Abstract
The co-linear or near co-linear structure of bimetallic Janus-type two-coordinated metal complexes may allow for a large transition dipole moment that can enhance the radiative lifetime. The symmetric nature of the bimetallic Janus complexes diminishes or eliminates the polar nature of the monometallic carbene-metal-amide/arene complexes.
Claims20
A compound of Formula I, Formula IIa, or Formula IIb:
- wherein each ring A is independently a 5, 6, or 7-membered carbene which is condensed with ring B, wherein each ring A may be the same or different;
- n is 1, 2, or 3;
- ring B is a single or fused saturated or unsaturated carbocyclic or heterocyclic ring which is fused to the n adjacent rings A at arbitrary positions;
- ring C in Formula IIa is a 6, 7, or 8-membered N-heterocyclic carbene;
- ring C in Formula IIb is a 5, 6, or 7-membered N-heterocyclic carbene;
- Q is NR1, O, or S;
- each occurrence of R1 is independently alkyl or aryl, wherein R1 may be further substituted with a substituent selected from the group consisting of deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- M is Au, Ag, or Cu;
- and
- L is a monoanionic hydrocarbon, amide, alkoxide, sulfide, or phosphide, which may be optionally further substituted.
7 more elements
(canceled)
A compound of Formula III or Formula IV:
- wherein E is a carbene coordinated to metal M;
- each E can be the same or different;
- each ring D is independently a single or fused carbocyclic ring or heterocyclic ring, which may be saturated or unsaturated, which is bound covalently bound to Z, wherein each ring D may be the same or different, and wherein each ring D is independently substituted with R;
- Z is a linking group selected from the group consisting of a single bond, aryl, heteroaryl, alkyl, O, S, NR, and combinations thereof;
- m is 2, 3, or 4;
- G is a single or fused carbocyclic ring or heterocyclic ring, which may be saturated or unsaturated;
- which comprises m atoms Q;
- and which may be optionally substituted with one or more R;
- provided that G does not represent naphthalene;
- each occurrence of R is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
- each occurrence of Q is independently C or N;
- and
- M is Au, Ag, or Cu.
10 more elements
Dependencies are inferred from the claim text.