Triple-Stranded Helicates of Zinc(II) and Cadmium(II) Involving a New Redox-Active Multiring Nitrogenous Heterocyclic Ligand: Synthesis, Structure, and Electrochemical and Photophysical Properties

2012 ◽  
Vol 51 (4) ◽  
pp. 2652-2661 ◽  
Author(s):  
Nabanita Kundu ◽  
Sk Md Towsif Abtab ◽  
Sanchita Kundu ◽  
Akira Endo ◽  
Simon J. Teat ◽  
...  
Keyword(s):  
Photophysical Properties ◽  
Heterocyclic Ligand ◽  
Redox Active ◽  
Ligand Synthesis

Gold(I)-Alkynyl Complexes with an N-Donor Heterocyclic Ligand: Synthesis and Photophysical Properties

2017 ◽  
Vol 2017 (36) ◽  
pp. 4180-4186 ◽  
Author(s):  
Julia R. Shakirova ◽  
Olesya A. Tomashenko ◽  
Elena V. Grachova ◽  
Galina L. Starova ◽  
Vladimir V. Sizov ◽  
...  
Keyword(s):  
Photophysical Properties ◽  
Heterocyclic Ligand ◽  
Ligand Synthesis

An unexpected dinuclear Cu(II) complex with a bis(Salamo) chelating ligand: synthesis, crystal structure, and photophysical properties

2016 ◽  
Vol 69 (1) ◽  
pp. 149-159 ◽  
Author(s):  
Jian-Chun Ma ◽  
Xiu-Yan Dong ◽  
Wen-Kui Dong ◽  
Yang Zhang ◽  
Li-Chun Zhu ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Photophysical Properties ◽  
Chelating Ligand ◽  
Ligand Synthesis

Reporting a Unique Example of Electronic Bistability Observed in the Form of Valence Tautomerism with a Copper(II) Helicate of a Redox-Active Nitrogenous Heterocyclic Ligand

2011 ◽  
Vol 133 (50) ◽  
pp. 20104-20107 ◽  
Author(s):  
Nabanita Kundu ◽  
Manoranjan Maity ◽  
Pabitra Baran Chatterjee ◽  
Simon J. Teat ◽  
Akira Endo ◽  
...  
Keyword(s):  
Valence Tautomerism ◽  
Heterocyclic Ligand ◽  
Redox Active

Metal Complexes with the N-Heterocyclic Ligand: Synthesis, Structures, and Thermal Decomposition

2019 ◽  
Vol 45 (10) ◽  
pp. 706-711
Author(s):  
S. S. Shapovalov ◽  
O. G. Tikhonova ◽  
M. O. Grigor’eva ◽  
I. V. Skabitskii ◽  
N. P. Simonenko
Keyword(s):  
Thermal Decomposition ◽  
Metal Complexes ◽  
Heterocyclic Ligand ◽  
Ligand Synthesis

Synthesis, structure and photophysical properties of two tetranuclear copper(I) iodide complexes based on acetylpyridine and diphosphine mixed ligands

2021 ◽  
Vol 77 (2) ◽  
Author(s):  
Bing-Jun Cao ◽  
Ran Li ◽  
Xi-He Huang
Keyword(s):  
Photophysical Properties ◽  
Cluster Structure ◽  
Delayed Fluorescence ◽  
X Ray Diffraction ◽  
Bidentate Coordination ◽  
Heterocyclic Ligand ◽  
Thermally Activated ◽  
Mixed Ligands ◽  
Decay Times ◽  
Acetyl Group

Two copper(I) iodide tetramers, namely, [μ2-1,3-bis(diphenylphosphanyl)propane-κ2 P:P′]di-μ3-iodido-di-μ2-iodido-[1-(pyridin-3-yl)ethan-1-one-κN]tetracopper(I) dichloromethane disolvate, [Cu4I4(C6H7NO)2(C27H26P2)2]·2CH2Cl2 (Cu L 3 ), and [μ2-1,3-bis(diphenylphosphanyl)propane-κ2 P:P′]di-μ3-iodido-di-μ2-iodido-[1-(pyridin-4-yl)ethan-1-one-κN]tetracopper(I), [Cu4I4(C6H7NO)2(C27H26P2)2] (Cu L 4 ), have been synthesized from reactions of CuI, 1,3-bis(diphenylphosphanyl)propane (dppp) and 3- or 4-acetylpyridine (3/4-acepy). The complexes were characterized by elemental analysis, IR spectroscopy, single-crystal X-ray diffraction (XRD), powder XRD and photoluminescence spectroscopy. Both complexes possess a stair-step [Cu4I4] cluster structure with a crystallographic inversion centre located in the middle of a Cu2I2 ring (Z′ = 1 \over 2). The dppp ligands each adopt a bidentate coordination mode that bridges two CuI centres on one side of the [Cu4I4] cluster and the acepy ligands act as terminal ligands. The solid-state samples of similar complexes show highly efficiency thermally activated delayed fluorescence (TADF) at room temperature. At ambient temperature, both Cu L 3 and Cu L 4 exhibit photoluminescence, with a maximum emission in the region 560–580 nm and with short emissive decay times, but only phosphorescence was observed at 77 K. The narrow gaps between the higher lying singlet state and the triplet state, ΔE(S 1 − T 1), also confirm the presence of TADF. Structure analysis and consideration of photoluminescence indicates that the position of the acetyl group on the heterocyclic ligand has an obvious influence on the structural arrangement, on intermolecular interactions and on the observed photophysical properties.

scholarly journals Homoleptic Lanthanide Complexes Containing a Redox-Active Ligand and the Investigation of Their Electronic and Photophysical Properties

Inorganics ◽  
2018 ◽  
Vol 6 (2) ◽  
pp. 56
Author(s):  
Robin Taylor ◽  
Nico Bonanno ◽  
Mihaela Cibian ◽  
Jeetkia Yadav ◽  
Harlyn Silverstein ◽  
...  
Keyword(s):  
Lanthanide Complexes ◽  
Photophysical Properties ◽  
Redox Active Ligand ◽  
Active Ligand ◽  
Redox Active

Efficient red emission from poly(vinyl butyral) films doped with a novel europium complex based on a terpyridyl ancillary ligand: synthesis, structural elucidation by Sparkle/RM1 calculation, and photophysical properties

2016 ◽  
Vol 7 (5) ◽  
pp. 1147-1157 ◽  
Author(s):  
Chaolong Yang ◽  
Shaojun Liu ◽  
Jing Xu ◽  
Youbing Li ◽  
Mingyong Shang ◽  
...  
Keyword(s):  
Photophysical Properties ◽  
Europium Complex ◽  
Structural Elucidation ◽  
Ancillary Ligand ◽  
Red Emission ◽  
Ligand Synthesis ◽  
Complex Polymer ◽  
Vinyl Butyral

The first example of doped Eu-complex/polymer fluorescent films based on a PVB matrix is reported.

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