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Title: Preparation, characterization and applications of ZnO nanoparticles based polymer composites
Researcher: Shahid Pervez Ansari
Guide(s): Faiz Mohammad
Keywords: Applied Chemistry
Zinc Oxide Nanoparticles
Upload Date: 19-Sep-2013
University: Aligarh Muslim University
Completed Date: 2012
Abstract: Nanoparticles of zinc oxide and polyaniline (emeraldine base) were successfully prepared using simple and easy methodology. Thus prepared nanoparticles of zinc oxide and polyaniline (emeraldine base) were characterized by FTIR spectroscopy, electron microscopy (SEM and TEM) and XRD. These studies confirm the formation of particles of different shapes in the nano range. The preparation of electrically conducting nanocomposites containing polyaniline, supporting polymer matrix and zinc oxide nanoparticles also was done by solution method. Supporting polymer matrices of cellulose acetate, polyvinylchloride, polyacrylonitrile, polycarbonate and nylon 6,6 were used to impart mechanical strength and processibility to the nanocomposite films. The films of nanocomposites were studied for their dc electrical conductivity and its temperature dependence as well as for their stability in terms of dc electrical conductivity retention by cyclic ageing and isothermal ageing techniques. The nanocomposite films/powder were also characterized by using FTIR, SEM, TEM, TGA and XRD. The dc electrical conductivity of the nanocomposites was found to be fairly good and stable below 100°C if the materials are annealed for few hours at 100°C prior to use. It was also observed that the increase in the content of zinc oxide nanoparticles in the newlinenanocomposites caused decrease in the electrical conductivity. The stability of nanocomposites containing polyaniline, supporting polymer and zinc oxide nanoparticles in terms of dc electrical conductivity retention is remarkable. Therefore, these nanocomposites may offer to control the electrical conductivity by manipulating the zinc oxide nanoparticles content in nanocomposites. It may also be inferred from this study that the solution mixing process to produce nanocomposites has promising future if handled carefully.
Pagination: xv, 227p.
Appears in Departments:Department of Applied Chemistry

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01_title.pdfAttached File136.86 kBAdobe PDFView/Open
02-dedication.pdf34.19 kBAdobe PDFView/Open
03_certificate.pdf653.47 kBAdobe PDFView/Open
04_acknowledgement.pdf212.56 kBAdobe PDFView/Open
05_contents.pdf36.59 kBAdobe PDFView/Open
06_list of figures.pdf55.22 kBAdobe PDFView/Open
07_list of tables.pdf45.75 kBAdobe PDFView/Open
08_list of publications.pdf15.2 kBAdobe PDFView/Open
09_abstact.pdf21.06 kBAdobe PDFView/Open
10_chapter 1.pdf1.76 MBAdobe PDFView/Open
11_chapter 2.pdf253.94 kBAdobe PDFView/Open
12_chapter 3.pdf158.09 kBAdobe PDFView/Open
13_chapter 4.pdf18.18 MBAdobe PDFView/Open
14_references.pdf251.24 kBAdobe PDFView/Open
15_annexure.pdf3.3 MBAdobe PDFView/Open

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