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Synthesis and photophysical properties of butterfly-shaped dinuclear Pt(II) complex having NHC-based chelate ligands


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Title: Synthesis and photophysical properties of butterfly-shaped dinuclear Pt(II) complex having NHC-based chelate ligands
Authors: Moon, Sangjoon / Horiuchi, Shinnosuke / Sakuda, Eri / Ito, Akitaka / Arikawa, Yasuhiro / Umakoshi, Keisuke
Issue Date: 1-Jul-2019
Publisher: Elsevier B.V.
Citation: Inorganica Chimica Acta, 493, pp.43-48; 2019 
Abstract: A butterfly-shaped dinuclear Pt(II) complex having pyridyl-NHC chelate ligands and bridging Me2pz ligands was synthesized. The crystal structure of the Pt2 complex showed short intramolecular Pt⋯Pt distance (3.129 Å) and unique packing structure containing one-dimensional infinite pore that was filled with solvent molecules. The absorbance was proportional to the concentration of Pt2 complex and no significant bands appeared even in high concentration (up to 100 μM). The Pt2 complex showed bluish-green emission (λmax = 459 nm) in the solid state at 298 K (λex = 330 nm). TD-DFT calculation revealed that the lowest-energy absorption bands are mainly assigned to the combination of metal-to-ligand charge transfer (MLCT) and ligand-to-ligand charge transfer (LLCT) transitions.
Keywords: Dinuclear complex / Platinum / Pyridyl-NHC ligand
URI: http://hdl.handle.net/10069/39221
ISSN: 00201693
DOI: 10.1016/j.ica.2019.04.045
Rights: © 2019 Elsevier B.V. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/39221

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