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Facile Preparation and characterization of zinc phosphate with self-assembled flower-like micro-nanostructures
Affiliation:1. Department of Physics, University of the Western Cape, Private Bag X 17, Bellville 7535, South Africa;2. School of Physics, University of the Witwatersrand, Private Bag 3, PO Wits 2050, Johannesburg, South Africa;3. Highly Correlated Matter Research Group, Department of Physics, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa;4. Materials Research Group, iThemba LABS, PO Box 722, Somerset West 7129, South Africa;5. Institute of Low Temperature and Structure Research, Polish Academy of Sciences, PO Box 1410, 50-950 Wrocław, Poland;1. Ruđer Bošković Institute, Division of Materials Physics, Bijenička cesta 54, P.O. Box 180, HR-10002 Zagreb, Croatia;2. Jožef Stefan Institute, Department for Nanostructured Materials, Jamova cesta 39, SI-1000 Ljubljana, Slovenia;3. University of Zagreb, Faculty of Science, Department of Physics, Bijenička cesta 32, P.O. Box 331, HR-10002, Zagreb, Croatia;4. University of Zagreb, Faculty of Chemical Engineering and Technology, Marulićev trg 19, HR-10000 Zagreb, Croatia;1. Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, IL 61801, USA;2. Institute for Genomic Biology, University of Illinois at Urbana-Champaign, 1206 West Gregory Drive, Urbana, IL 61801, USA;3. Department of Chemical Engineering, Soongsil University, Seoul, South Korea;4. Korea Institute of Industrial Technology, Korea;1. Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environmental Engineering, Jianghan University, Wuhan 430056, China;2. Instrumental Analysis and Research Center, Sun Yat-sen University, Guangzhou 510275, China
Abstract:The three-dimensional flower-like zinc phosphate [Zn3(PO4)2·4H2O] micro-nanostructures was synthesized by a microwave-assisted sonochemical method in the absence of template under ambient conditions. The effects of reaction temperature of water bath and reactant concentrations on the particle size and morphology of flower-like zinc phosphate were studied. The scanning electron microscopy, transmission electron microscopy, X-ray diffraction and infrared spectroscopy were used to characterize the samples. The results showed that the three-dimensional flower-like zinc phosphate is composed of self-assembled two-dimensional nanosheets. The average thickness of two-dimensional nanosheet was 35–40 nm, and 5–12 layers of nanosheets formed a layered flower with an average thickness of 220–540 nm. The reaction temperatures of water bath and reactant concentrations are the key factors to synthesize perfect three-dimensional flower-like zinc phosphate. The self-assembly is main growth mechanism to form the flower-like zinc phosphate.
Keywords:A. inorganic compounds  A. nanostructures  B. chemical synthesis
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