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Synthesis and characterization of Cu3N nanoparticles using pyrrole-2-carbaldpropyliminato Cu(II) complex and Cu(NO3)2 as single-source precursors: the search for an ideal precursor

Abstract

Herein, we report on the synthesis and characterization of Cu3N nanocrystals using two single-source precursors, bis (pyrrole-2-carbalpropyliminato) Cu(II) (PPC) and Cu(NO3)2.3H2O. The optical and structural properties were investigated and the suitability of the two precursors was studied in terms of producing good quality Cu3N nanocrystals without the detection of Cu or oxidation to CuO. Both precursors resulted in crystalline Cu3N with anti-ReO3 cubic structure with no presence of copper impurities however peaks due to the capping agent were detected by XRD and confirmed with XPS. The PPC complex resulted in spherical nanocrystals whilst the copper nitrate resulted in nanocubes. The band gaps were in the visible region with the copper nitrate nanocrystals slightly red shifted from the PPC derived particles due to larger crystal sizes. The emission spectra were blue-shifted from the absorption band edges hence indicating an up-conversion process.

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Publication details

The article was received on 29 Dec 2017, accepted on 12 Jan 2018 and first published on 12 Jan 2018


Article type: Paper
DOI: 10.1039/C7NJ05181F
Citation: New J. Chem., 2018, Accepted Manuscript
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    Synthesis and characterization of Cu3N nanoparticles using pyrrole-2-carbaldpropyliminato Cu(II) complex and Cu(NO3)2 as single-source precursors: the search for an ideal precursor

    R. Sithole, L. Machogo, M. Airo, S. Gqoba, M. J. Moloto, P. Shumbula, J. van Wyk and N. Moloto, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7NJ05181F

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