Hallett, Andrew Jon and Pope, Simon J.A.  ORCID: https://orcid.org/0000-0001-9110-9711
2012.
First examples of luminescent zinc(II)-bisquinoxalinato complexes: synthesis, spectroscopic and theoretical studies.
Inorganica Chimica Acta
387
, pp. 145-150.
10.1016/j.ica.2012.01.008
|
Abstract
Four novel homoleptic zinc(II) complexes were prepared in high yield from para-substituted 2,3-diphenyl-5-hydroxyquinoxaline ligands, LHn, giving [Zn(Ln)2]. Density functional theoretical calculations were performed to probe the influence of the variation in para-substitution on the ligands. The calculations suggest that ligand-centred character appears to dominate the HOMO and LUMOs. Experimental electrochemical and spectroscopic characterisation showed that the subtle variations in absorption and emission wavelengths are due to ligand-dominated transitions that are influenced by electronic nature of the para-substituted phenyl units in coordinated Ln, in both solution and the solid states.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Professional Services > Advanced Research Computing @ Cardiff (ARCCA) Schools > Chemistry |
| Subjects: | Q Science > QD Chemistry |
| Uncontrolled Keywords: | 5-Hydroxyquinoxaline; Zn(II) complexes; Photophysical properties; DFT studies; OLEDs |
| Publisher: | Elsevier |
| ISSN: | 0020-1693 |
| Last Modified: | 20 Oct 2022 07:55 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/26911 |
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