Polydentate binuclear ring metal complexes and devices containing same
The invention relates to the technical field of organic electroluminescent devices and discloses a polydentate binuclear ring metal complex and a device including the polydentate binuclear ring metal complex or its composition. The polydentate binuclear ring metal complex provided by the invention can not only provide the emission of most visible spectra, but also can be adjusted by changing the structure of ligand or fluorescent luminescence. In addition, the polydentate binuclear ring metal complexes provided by the invention have better stability and efficiency than the traditional emission complexes. The device provided by the invention comprises the polydentate binuclear ring metal complex or its composition, which include optical and electro-optic devices, optical absorption devices, organic light-emitting diode devices, photoemission devices, or devices that are compatible with optical absorption and emission. The polydentate binuclear ring metal complex or its composition has 100% internal quantum efficiency in these devices.
1. A polydentate binuclear ring metal complex, wherein structure of the complex is as shown in Formula I:
in which, M 1 and M 2 are palladium, respectively;
L 1 and L 2 are heterocyclic respectively;
V 1 , V 2 , V 3 , V 4 , V 5 , V 6 , V 7 and V 8 are coordinated with palladium; V 1 , V 4 , V 5 , and V 8 are N, V 2 , V 3 , V 6 , and V 7 are C;
Y 1 and Y 2 are CH respectively;
A 1 and A 2 is O respectively;
X 1 and X 2 are N respectively;
R 1 , R 2 , R 3 , R 4 , R 6 , R 7 , and R 8 are hydrogen, R 5 and R 9 are methyl.
2. The polydentate binuclear ring metal complex as described in claim 1 wherein the complex is electrically neutral.
3. A device comprising one or more of the polydentate binuclear ring metal complexes described in claim 1 .
4. The device as described in claim 3 , wherein the device is an optical and electro-optic device, an optical absorption device, an organic light-emitting diode device, an optical emission device, a device capable of compatible optical absorption and emission, or a biomarker device.
5. The device as described in claim 4 , wherein the polydentate binuclear ring metal complex has 100% internal quantum efficiency in the device.