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Cariati E, Roberto D, Ugo R, et al. New structural motifs, unusual quenching of the emission, and second harmonic generation of copper(I) iodide polymeric or oligomeric adducts with para-substituted pyridines or trans-stilbazoles. Inorg Chem. 2005;44(11):4077-85doi: 10.1021/ic050143s.
Cariati, E., Roberto, D., Ugo, R., Ford, P. C., Galli, S., & Sironi, A. (2005). New structural motifs, unusual quenching of the emission, and second harmonic generation of copper(I) iodide polymeric or oligomeric adducts with para-substituted pyridines or trans-stilbazoles. Inorganic chemistry, 44(11), 4077-85. https://doi.org/10.1021/ic050143s
Cariati, Elena, et al. "New structural motifs, unusual quenching of the emission, and second harmonic generation of copper(I) iodide polymeric or oligomeric adducts with para-substituted pyridines or trans-stilbazoles." Inorganic chemistry vol. 44,11 (2005): 4077-85. doi: https://doi.org/10.1021/ic050143s
Cariati E, Roberto D, Ugo R, Ford PC, Galli S, Sironi A. New structural motifs, unusual quenching of the emission, and second harmonic generation of copper(I) iodide polymeric or oligomeric adducts with para-substituted pyridines or trans-stilbazoles. Inorg Chem. 2005 May 30;44(11):4077-85. doi: 10.1021/ic050143s. PMID: 15907137.
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Inorg Chem. 2005 May 30;44(11):4077-85. doi: 10.1021/ic050143s.

New structural motifs, unusual quenching of the emission, and second harmonic generation of copper(I) iodide polymeric or oligomeric adducts with para-substituted pyridines or trans-stilbazoles.

Inorganic chemistry

Elena Cariati, Dominique Roberto, Renato Ugo, Peter C Ford, Simona Galli, Angelo Sironi

Affiliations

  1. Dipartimento di Chimica Inorganica Metallorganica e Analitica, Università degli Studi di Milano, Centro di Eccellenza CIMAINA, UdR di Milano dell'INSTM and Istituto di Scienze e Tecnologie Molecolari del CNR (ISTM-CNR), Milano, Italy.

PMID: 15907137 DOI: 10.1021/ic050143s

Abstract

The structural, emissive, and nonlinear optical properties of new CuI adducts with para-substituted trans-stilbazolic and pyridinic ligands are reported. Single-crystal X-ray diffraction results indicate that the para-substituent on the organic ligand greatly influences the structural motif by its steric (tert-butyl), electronic/steric (dimethylamino), or bridging-donor (cyano) properties so that two absolutely new structural motifs, polymeric and oligomeric, are found when trans-stilbazole and pyridine carry a dimethylamino group in the para-position. In addition, a surprising photoemission behavior is observed, being the solid-state emission of [CuI(trans-4-stilbazole)]n, [CuI(trans-4'-(dimethylamino)-4-stilbazole)]n, and [CuI(4'-tert-butyl-4-stilbazole)]n totally quenched. In the case of the noncentrosymmetric CuI adduct of trans-4'-(dimethylamino)stilbazole a discrete second harmonic generation (SHG) occurs.

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