Organometal complex and light-emitting element using the same
View Patent ↗An organometallic complex according to the present invention comprises a structure represented by the following general formula (1). In the formula, R 1 to R 5 are any one selected from the group consisting of hydrogen, a halogen element, an acyl group, an alkyl group, an alkoxyl group, an aryl group, a cyano group, and a heterocyclic group, Ar is an aryl group having an electron-withdrawing group or a heterocyclic group having electron-drawing group, and M is an element of Group 9 or an element of Group 10.
1. An organometallic complex comprising a structure represented by the following formula (1),
wherein each of R 1 to R 5 is any one selected from the group consisting of hydrogen, a halogeno group, an acyl group, an alkyl group, an alkoxyl group, an aryl group, and a cyano group,
wherein Ar is an aryl group having any one selected from the group consisting of a halogeno group, a haloalkyl group, and a cyano group, and
wherein M is an element of Group 9.
2. An organometallic complex comprising a structure represented by the following formula (2),
wherein each of R 1 to R 5 is any one selected from the group consisting of hydrogen, a halogeno group, an acyl group, an alkyl group, an alkoxyl group, an aryl group, and a cyano group,
wherein each of R 6 to R 9 is any one selected from the group consisting of hydrogen, a halogeno group, a haloalkyl group, an acyl group, an alkyl group, an alkoxyl group, an aryl group, and a cyano group,
wherein M is an element of Group, and
wherein at least one of R 6 to R 9 is any one selected from the group consisting of a halogeno group and a haloalkyl group.
3. The organometallic complex according to any one of claims 1 and 2 , wherein the halogeno group is a fluoro group, and the haloalkyl group is a trifluoromethyl group.
4. An organometallic complex comprising a structure represented by the following formula (12),
wherein each of R 2 to R 14 is any one selected from the group consisting of hydrogen, a halogeno group, a haloalkyl group, an acyl group, an alkyl group, an alkoxyl group, an aryl group, and a cyano group, and
wherein M is an element of Group 9.
5. An organometallic complex comprising a structure represented by the following formula (13),
wherein R 15 or R 16 is any one selected from the group consisting of hydrogen, a halogeno group, and a haloalkyl group, and
wherein M is an element of Group 9.
6. The organometallic complex according to claim 4 , wherein at least one of R 6 to R 9 has an electron-withdrawing property.
7. The organometallic complex according to claim 5 , wherein R 15 or R 16 has an electron-withdrawing property.
8. The organometallic complex according to claim 4 , wherein the halogeno group is a fluoro group, and the haloalkyl group is a trifluoromethyl group.
9. The organometallic complex according to claim 5 , wherein the halogeno group is a fluoro group, and the haloalkyl group is a trifluoromethyl group.
10. The organometallic complex according to any one of claims 1 , 2 , 4 , and 5 , wherein the M is an iridium atom.