Organometallic rhenium(iii) chalcogenide clusters: coordination of N-heterocyclic carbenes

2015 ◽  
Vol 51 (52) ◽  
pp. 10536-10538 ◽  
Author(s):  
Jessica L. Durham ◽  
Wade B. Wilson ◽  
Daniel N. Huh ◽  
Robert McDonald ◽  
Lisa F. Szczepura
Keyword(s):  
Photophysical Properties ◽  
Heterocyclic Carbenes ◽  
Chalcogenide Clusters ◽  
Cluster Cores

NHCs were coordinated to [Re6Q8]2+ (Q = S or Se) cluster cores and their photophysical properties investigated.

scholarly journals Iridium(iii) complexes with polypyridine ligands coordinated as N-heterocyclic carbenes. Synthesis, structure and photophysical properties

2012 ◽  
Vol 41 (46) ◽  
pp. 14126 ◽  
Author(s):  
Salvador Conejero ◽  
Celia Maya ◽  
Margarita Paneque ◽  
Ana Petronilho ◽  
Manuel L. Poveda ◽  
...  
Keyword(s):  
Photophysical Properties ◽  
Heterocyclic Carbenes ◽  
Polypyridine Ligands

scholarly journals Pincer-CNC mononuclear, dinuclear and heterodinuclear Au(iii) and Pt(ii) complexes supported by mono- and poly-N-heterocyclic carbenes: synthesis and photophysical properties

2016 ◽  
Vol 45 (13) ◽  
pp. 5549-5556 ◽  
Author(s):  
S. Gonell ◽  
M. Poyatos ◽  
E. Peris
Keyword(s):  
Photophysical Properties ◽  
Heterocyclic Carbenes ◽  
Pincer Ligand

The photophysical properties of a family of cyclometallated Au(iii) and Pt(ii) complexes containing a CNC-pincer ligand supported by pyrene-based mono- or bis-NHC ligands are described, and compared with those shown by related dimetallic complexes of Pt/Au and Ru2.

Coinage Metal Complexes of Bis-Alkynyl-Functionalized N-Heterocyclic Carbenes: Reactivity, Photophysical Properties, and Quantum Chemical Investigations

2017 ◽  
Vol 23 (7) ◽  
pp. 1591-1603 ◽  
Author(s):  
Claude Kiefer ◽  
Sebastian Bestgen ◽  
Michael T. Gamer ◽  
Michael Kühn ◽  
Sergei Lebedkin ◽  
...  
Keyword(s):  
Metal Complexes ◽  
Quantum Chemical ◽  
Photophysical Properties ◽  
Heterocyclic Carbenes ◽  
Coinage Metal

Spectroscopic and Photophysical Properties of Hexanuclear Rhenium(III) Chalcogenide Clusters

2003 ◽  
Vol 125 (16) ◽  
pp. 4755-4770 ◽  
Author(s):  
Thomas G. Gray ◽  
Christina M. Rudzinski ◽  
Emily E. Meyer ◽  
R. H. Holm ◽  
Daniel G. Nocera
Keyword(s):  
Photophysical Properties ◽  
Chalcogenide Clusters

Solvent Dependence of Structural Dynamics and Spin-flip Processes in 3,4,5-tri(9H-carbazole-9-yl)benzonitrile (ortho-3CzBN)

2020 ◽  
Author(s):  
Masaki Saigo ◽  
Kiyoshi Miyata ◽  
Hajime Nakanotani ◽  
Chihaya Adachi ◽  
Ken Onda
Keyword(s):  
Dft Calculations ◽  
Excited States ◽  
Structural Changes ◽  
Photophysical Properties ◽  
Delayed Fluorescence ◽  
Time Resolved ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Solvent Dependence ◽  
Acetonitrile Solutions

We have investigated the solvent-dependence of structural changes along with intersystem crossing of a thermally activated delayed fluorescence (TADF) molecule, 3,4,5-tri(9H-carbazole-9-yl)benzonitrile (o-3CzBN), in toluene, tetrahydrofuran, and acetonitrile solutions using time-resolved infrared (TR-IR) spectroscopy and DFT calculations. We found that the geometries of the S1 and T1 states are very similar in all solvents though the photophysical properties mostly depend on the solvent. In addition, the time-dependent DFT calculations based on these geometries suggested that the thermally activated delayed fluorescence process of o-3CzBN is governed more by the higher-lying excited states than by the structural changes in the excited states.<br>

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