Sonochemical synthesis of two new nano lead(II) coordination polymers: Evaluation of structural transformation via mechanochemical approach |
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| Institution: | 1. Department of Biomechanics, Medicine and Rehabilitation of the Locomotor System, Laboratory of Physiotherapeutic Resources, Ribeirão Preto Medical School of University of São Paulo, Ribeirão Preto, SP, Brazil;2. Post-Graduation Program in Rehabilitation and Performance Functional, Ribeirão Preto Medical School of University of São Paulo, Ribeirão Preto, SP, Brazil;3. Department of Biochemistry and Microbiology, Institute of Biosciences of Rio Claro of Paulista State University, Rio Claro, SP, Brazil;1. Department of Chemical Engineering, Isfahan University of Technology, 84156-83111 Isfahan, Iran;2. Iran Polymer and Petrochemical Institute, P.O. Box 14965/115, Tehran, Iran;3. Leibniz-Institut für Polymerforschung Dresden e.V., D-01069 Dresden, Germany;4. Technische Universität Dresden, Institut für Werkstoffwissenschaft, D-01069 Dresden, Germany;1. College of Chemistry and Molecular Engineering, Zhengzhou University, The Key Lab of Chemical Biology and Organic Chemistry of Henan Province, The Key Lab of Nano-information Materials of Zhengzhou, Zhengzhou, 450001, PR China;2. Beijing National Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China |
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| Abstract: | Two new lead(II) mixed-ligand coordination polymers, Pb(PNO)(SCN)]n (1) and Pb(PNO)(N3)]n (2), (HPNO = picolinic acid N-oxide) were synthesized by a sonochemical method and characterized by scanning electron microscopy, X-ray powder diffraction, IR spectroscopy and elemental analysis. Compounds 1 and 2 were structurally characterized by single crystal X-ray diffraction. The thermal behavior of 1 and 2 were studied by thermal gravimetric analysis. Structural transformations of compounds 1 and 2 were evaluated through anion-replacement processes by mechanochemical method. Moreover, the effect of sonication conditions including time, concentrations of initial reagents and power of irradiation were evaluated on size and morphology of compounds 1 and 2. |
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| Keywords: | Coordination polymers Sonochemical method Structural transformations Mechanochemistry |
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