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ISSN 2063-5346
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PREPARATION OF Cu7S4 NANOSTRUCTURED THIN FILMS FROM [(Et(Bu)NC(S)NC(O)C6H3(NO2)-3,5]2Cu(II) BY AEROSOL ASSISTED CHEMICAL VAPOUR DEPOSITION

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Sohail Saeed, Naghmana Rashid, Rizwan Hussain
» doi: 10.17628/ECB.2013.2.409

Abstract

The copper(II) complex of N-[ethyl(butyl)carbamothioyl]-3,5-dinitrobenzamide (1) has been synthesized and characterized by elemental analysis, IR spectroscopy and atmospheric pressure chemical ionization-mass spectrometry (MS-APCI). Thermogravimetric analysis shows the complex (2) decomposes in two-step to form copper sulfide. The complex was used as single-source precursor for the deposition of copper sulfide thin film by aerosol assisted chemical vapour deposition (AA-CVD) at 350 oC. Powder X-ray diffraction (p-XRD) pattern of thin film of complex showed the deposition of monoclinic roxbyite Cu7S4 and orthorhombic anilite Cu7S4 phases at 350 oC with spherical crystallites. The degree of film surface roughness was determined by atomic force microscopy (AFM). The scanning electron microscopy (SEM) and energy dispersive X-ray analysis (EDX) results showed the uniform distribution of copper sulfide in the film, which makes it useful semiconducting material on a structured surface

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