Synthesis, Characterization and Transport Properties of Novel Ion-exchange Nanocomposite Membrane Containing In-situ Formed ZnO Nanoparticles

Document Type : Research Paper


1 School of Chemistry, College of Science, University of Tehran, Tehran, Iran

2 Department of Chemistry, Faculty of Science, Arak University, Arak 38156-8-8349, Iran



A  new  type  of  cation-exchange  nanocomposite  membranes  was prepared  by  in-situ  formation  of  ZnO  nanoparticles  in  a  blend containing  sulfonated  poly  (2,6-dimethyl-1,4-phenylene  oxide)  and sulfonated polyvinylchloride  via  a  simple  one-step  chemical method.  As-synthesized  nanocomposite  membranes were characterized  using  Fourier  transform  infrared  spectroscopy, scanning  electron  microscopy  and X-ray  diffraction.  The  SEM images  showed  that  ZnO  nanoparticles  were  uniformly  dispersed throughout the polymeric matrices. The effect of additive loading on physicochemical and electrochemical properties of prepared cation-exchange  nanocomposite  membranes  was  studied.  Various characterizations revealed that  the  incorporation  of  different amounts  of  ZnO  nanoparticles  into  the  basic  membrane  structure had a significant influence on the membrane performance and could improve the electrochemical properties.


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