Organometallic compound and organic electroluminescence device employing the same
Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure represented below: wherein, X is C—H or N, Y is CH 2 or NH; R 1 is H, or C 1-8 alkyl; and A 1 is acetylacetone ligand, acetylacetone with phenyl group ligand, or derivatives thereof.
1. An organometallic compound having a Formula (III), Formula (IV), or Formula (V), of:
wherein, R 1 is hydrogen, or C 1-8 alkyl; R 2 is hydrogen, phenyl, or biphenyl; Z is CH; and Y is CH 2 or NH.
2. The organometallic compound as claimed in claim 1 , wherein R1 is a methyl group, ethyl group, propyl group, isopropyl group, butyl group, tert-butyl group, pentyl group, or hexyl group.
3. The organometallic compound as claimed in claim 1 , wherein the organometallic compound is
4. An organic electroluminescence device, comprising:
a pair of electrodes; and
an electroluminescent element disposed between the pair of electrodes, wherein the electroluminescent element comprises the organometallic compound as claimed in claim 1 .
5. The organic electroluminescence device as claimed in claim 4 , wherein the electroluminescent element emits red light under a bias voltage.