Detailed Molecular and Structural Analysis of Dual Emitter IrQ(ppy)2 Complex.

ABSTRACT: The molecular structure of the 8-hydroxyquinoline-bis (2-phenylpyridyl) iridium (IrQ(ppy)2) dual emitter organometallic compound is determined based on detailed 1D and 2D nuclear magnetic resonance (NMR), to identify metal-ligands coordination, isomerization and chemical yield of the desired compound. Meanwhile, the extended X-ray absorption fine structure (EXAFS) was used to determine the interatomic distances around the iridium ion. From the NMR results, this compound IrQ(ppy)2 exhibits a trans isomerization with a distribution of coordinated N-atoms in a similar way to facial Ir(ppy)3. The EXAFS measurements confirm the structural model of the IrQ(ppy)2 compound where the oxygen atoms from the quinoline ligands induce the splitting of the next-nearest neighboring C in the second shell o

SUBMITTER: Ciobotaru IC 

PROVIDER: S-EPMC7178428 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature