Structure, spectra and electrical conductivity of copper(I) and silver(I) phosphino bridging mixed ligand complexes with coumarinyl Schiff base

[–M(L)(μ-PPh2-alkyl-PPh2)M(L)–]n2n+ (M=Cu(I), Ag(I); alkyl=propyl, butyl, hexyl) are characterised and the single crystal structure determination by X-ray diffraction in one case suggests phosphino bridging coordination polymer. The complexes show significantly stable π-π∗ excited state (7.4–9.2ns)...

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Bibliographic Details
Published in:Inorganica Chimica Acta 2018-01, Vol.469, p.523-535
Main Authors: Roy, Suman, Mondal, Tapan Kumar, Layek, Animesh, Saha, Rajat, Sinha, Chittaranjan
Format: Article
Language:English
Subjects:
Coordination compounds
Coordination polymers
Copper
Coumarin
Coumarinyl Schiff’s base
Crystal structure
Cu(I) and Ag(I) coordination polymer
Electrical conductivity
Electrical resistivity
Fluorescence
Heat conductivity
Imines
Ligands
Molecular chains
Polymers
Silver
Single crystals
X-ray diffraction
X-ray structure
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Summary:[–M(L)(μ-PPh2-alkyl-PPh2)M(L)–]n2n+ (M=Cu(I), Ag(I); alkyl=propyl, butyl, hexyl) are characterised and the single crystal structure determination by X-ray diffraction in one case suggests phosphino bridging coordination polymer. The complexes show significantly stable π-π∗ excited state (7.4–9.2ns) and emission at visible region. The compounds show electrical conductivity in the semiconductor range (∼10−5Scm−1) and band gap
ISSN:0020-1693
1873-3255
DOI:10.1016/j.ica.2017.08.031