Synthesis and Characterization of ZnO Nanoparticles
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Abstract
This study is focused on hydrothermal synthesis method of zinc oxide nanoparticles by usingammonia and zinc chloride. Synthesized nanoparticles have been characterized by using Xray Diffraction, UV-vis and Photon Cross Correlation (PCCS) spectroscopies, TEManalysis. ZnO thin films were prepared by spin coating method from the solution of ZnOnanoparticles. XRD peak corresponds to hexagonal structure with cell parameter a=0.326nm and c=0.522 nm. The grain size of zinc oxide nanoparticles has been determined 43.3nm using the Scherrer formula. As a result of PCCS measurement, synthesized zinc oxidenanoparticles have the mean diameter of ~96 nm of main particles with particle sizedistribution range of from ~90 nm to ~99 nm. As the result of TEM, the respective size ofnanoparticles was around ~96 nm. ZnO nanoparticles were coated on glass and indium-tinoxide (ITO) substrates. The photocatalytic activities were studied ITO substrates with ZnOthin film. ZnO thin films were used as catalyst for reaction Cr(VI) into Cr(III).