Organometallic compound, organic electroluminescence device and composition employing the same
Organometallic compounds and organic electroluminescence devices and compositions employing the same are provided. The organic metal compound has a chemical structure represented by formula (I) or formula (II): wherein, R is an alkyl group, or cycloalkyl group, such as C 1-12 alkyl group, or C 4-12 cycloalkyl group.
1. An organometallic compound having a Formula (I) or Formula (II), of:
wherein, R is an alkyl group, or cycloalkyl group.
2. The organometallic compound as claimed in claim 1 , wherein R is C 1-12 alkyl group, or C 4-12 cycloalkyl group.
3. The organometallic compound as claimed in claim 1 , wherein R is a methyl, ethyl, propyl, iso-propyl, butyl, iso-butyl, sec-butyl, tert-butyl, pentyl, sec-pentyl, cyclopentyl, hexyl, cyclohexyl, heptyl, octyl, nonyl, decyl, hendecyl, or dodecyl.
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 having a Formula (I) or (II),
wherein, R is an alkyl group, or cycloalkyl group.
5. The organic electroluminescence device as claimed in claim 4 , wherein R is a C 1-12 alkyl group, or C 4-12 cycloalkyl group.
6. The organic electroluminescence device as claimed in claim 4 , wherein R is a methyl, ethyl, propyl, iso-propyl, butyl, iso-butyl, sec-butyl, tert-butyl, pentyl, sec-pentyl, cyclopentyl, hexyl, cyclohexyl, heptyl, octyl, nonyl, decyl, hendecyl, or dodecyl.
7. The organic electroluminescence device as claimed in claim 4 , wherein the electroluminescent element is fabricated by an evaporation process.
8. The organic electroluminescence device as claimed in claim 4 , wherein the electroluminescent element is fabricated by a wet process.
9. The organic electroluminescence device as claimed in claim 4 , wherein the electroluminescent element emits orange light under a bias voltage
10. A composition, comprising:
an organic electroluminescent host material; and
an organometallic compound having a Formula (I) or (II),
wherein, R is an alkyl group, or cycloalkyl group.