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Highly Phosphorescent Crystals of Square‐Planar Platinum Complexes with Chiral Organometallic Linkers: Homochiral versus Heterochiral Arrangements, Induced Circular Dichroism, and TD‐DFT Calculations
Author(s) -
Sesolis Hugo,
DubarleOffner Julien,
Chan Carmen K. M.,
Puig Emmanuel,
Gontard Geoffrey,
Winter Pierre,
Cooksy Andrew L.,
Yam Vivian W. W.,
Amouri Hani
Publication year - 2016
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201601161
Subject(s) - phosphorescence , circular dichroism , platinum , supramolecular chemistry , luminescence , ligand (biochemistry) , crystallography , chemistry , chiral ligand , planar , photochemistry , materials science , stereochemistry , crystal structure , enantioselective synthesis , organic chemistry , fluorescence , catalysis , physics , optoelectronics , optics , biochemistry , receptor , computer graphics (images) , computer science
A novel class of chiral luminescent square‐planar platinum complexes with a π‐bonded chiral thioquinonoid ligand is described. Remarkably the presence of this chiral organometallic ligand controls the aggregation of this square planar luminophor and imposes a homo‐ or hetero‐chiral arrangement at the supramolecular level, displaying non‐covalent Pt–Pt and π–π interactions. Interestingly these complexes are highly luminescent in the crystalline state and their photophysical properties can be traced to their aggregation in the solid state. A TD‐DFT calculation is obtained to rationalize this unique behavior.