Issue 4, 2012
From the journal:

New Journal of Chemistry

Hexanuclear copper–nickel and copper–cobalt complexes for thin film deposition of ceramic oxide composites†

Muhammad Sultan,ab   Asif Ali Tahir,b   Muhammad Mazhar,*c   Matthias Zellerd  and  K. G. Upul Wijayanthab  

* Corresponding authors

a Department of Chemistry, Quaid-I-Azam University, Islamabad-45320, Pakistan
E-mail: sultanqua@yahoo.com

b Department of Chemistry, University of Loughborough, Loughborough LE11 3TU, UK
E-mail: A.A.Tahir@lboro.ac.uk, U.Wijayantha@lboro.ac.uk
Tel: +44 (0)1509222574

c Department of Chemistry, University of Malaya, Kuala Lumpur 50603, Malaysia
E-mail: mazhar42pk@yahoo.com
Tel: +60 (0)379674269

d STaRBURSTT-Cyberdiffraction Consortium at YSU and Department of Chemistry, Youngstown State University, 1 University Plaza, Youngstown, USA
E-mail: mzeller@ysu.edu
Tel: +1 (0)3309412194

Abstract

Heterobimetallic molecular Cu–Ni and Cu–Co complexes [Cu2Ni4(acac)2(dmae)2(dmaeH)2(OH)(TFA)6] (1) and [Cu2Co4(acac)2(dmae)2(dmaeH)2(OH)(TFA)6] (2) [dmae = N,N-dimethylaminoethanol, TFA = trifluoroacetic acid and acac = 2,4-pentanedionate] were prepared and tested as precursors for the deposition of mixed metal oxide composite thin films. The complexes were synthesized by reaction of the tetrameric copper(II) complex [Cu(dmae)(TFA)]4 with M(acac)2·xH2O [M = Ni, x = 2; Co, x = 1] in THF and were characterized by melting point, elemental analysis, FT-IR spectroscopy, TG/DTG and single-crystal X-ray diffraction. The complexes are isomorphous and crystallize in the triclinic centrosymmetric space group P[1 with combining macron]. Aerosol assisted chemical vapour deposition (AACVD) studies carried out on (1) and (2) showed that they are promising precursors for the deposition of thin films of crystalline CuO–NiO and Cu2O–CoO composites, respectively. The size, shape, surface morphology, microstructure, chemical composition and crystallinity of the resulting mixed-metal oxide composite thin films were analysed by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The analysis proved that the thin films are crystalline, uniform, smooth and tightly adherent to the substrates.

Graphical abstract: Hexanuclear copper–nickel and copper–cobalt complexes for thin film deposition of ceramic oxide composites

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DOI
https://doi.org/10.1039/C2NJ20789C
Article type
Paper
Submitted
12 Sep 2011
Accepted
04 Jan 2012
First published
23 Jan 2012

New J. Chem., 2012,36, 911-917

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Hexanuclear copper–nickel and copper–cobalt complexes for thin film deposition of ceramic oxide composites

M. Sultan, A. A. Tahir, M. Mazhar, M. Zeller and K. G. U. Wijayantha, New J. Chem., 2012, 36, 911 DOI: 10.1039/C2NJ20789C

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