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    Facile synthesis and characterizations of copper-zinc-10,15,20-tetra(4-pyridyl) porphyrin (Cu-ZnTPyP) coordination polymer with hexagonal micro-lump and micro-prism morphologies

    Access Status
    Fulltext not available
    Authors
    Zhang, Z.
    Li, Xin Yong
    Zhao, Q.
    Ke, J.
    Shi, Y.
    Ndokoye, P.
    Wang, L.
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhang, Z. and Li, X.Y. and Zhao, Q. and Ke, J. and Shi, Y. and Ndokoye, P. and Wang, L. 2014. Facile synthesis and characterizations of copper-zinc-10,15,20-tetra(4-pyridyl) porphyrin (Cu-ZnTPyP) coordination polymer with hexagonal micro-lump and micro-prism morphologies. Journal of Colloid and Interface Science. 432: pp. 229-235.
    Source Title
    Journal of Colloid and Interface Science
    DOI
    10.1016/j.jcis.2014.07.005
    ISSN
    0021-9797
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/47956
    Collection
    • Curtin Research Publications
    Abstract

    Cu-ZnTPyP coordination polymer with hexagonal micro-lump and micro-prism morphologies has been successfully synthesized through a facile surfactant assisted self-assembly method based on Cu(OAc)2{dot operator}2H2O and Zinc-5,10,15,20-tetra(4-pyridyl) porphyrin (ZnTPyP) in DMF/H2O solvent. The morphologies of three-dimensional micro-prisms and micro-lumps obtained at different concentrations of cetyltrimethylammonium bromide (CTAB) were investigated by scanning electronic microscopy. The compositions of the micro-prisms were studied by energy-dispersive spectra and inductively coupled plasma-atomic emission. X-ray diffraction analysis revealed a circular hexametric cage structure cross-linked by the main Zn-N axial coordination of the pyridyl ligands inside the micro-scale coordination polymers. The UV-Vis diffuse reflection spectroscopy revealed the formation of J-type aggregates in the both microstructures. The formation mechanism of Cu-ZnTPyP coordination polymer structure was investigated by varying CTAB concentration. Their surface photovoltage spectra indicated that the novel hexagonal micro-prism morphology of the coordination polymer displayed enhanced photo response under visible light, which is beneficial for exploiting the practical application of Cu-ZnTPyP compound. © 2014 Elsevier Inc.

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