Abstract
The as precursor, HMTA as fuel material and non-ionic surfactant (Triton-X 100). The X-Ray diffraction (XRD) analysis revealed that the synthesized ZnO nanopowder has the pure wurtzite structure. The ZnO powder shows polycrystalline nature having the crystallite size 21.25 nm. Crystallite size is calculated using Debye-Scherrer’s and Williamson-Hall equations. Porosity, Cell Volume, Micro strain, Morphology Index, Lorentz factor and Lorentz Polarization factor are also studied. From differential thermal analysis (DTA) & thermo gravimetric (TGA) it has been confirmed that nano powder has the phase purity. The weight loss percentage of the sample is 2.8385%. The particle size obtained 29 nm is in good agreement with the crystallite size calculated from X-Ray Diffraction pattern with the Particle Size Analyzer. The morphology of as prepared Zinc oxide nanopowders are characterized by scanning electron microscope (SEM). From specific area electron diffraction (SAED) pattern has specified the d-spacing and corresponding planes which coincide with the XRD d-spacing and planes.
Highlights
Zinc Oxide (ZnO) is a wide band gap semiconductor with wurtzite structure
The line broadening in the peaks determine the crystallite size of ZnO to be less than 25 nm
In this paper we have reported the synthesis of ZnO nano powder by fast and efficient combustion method
Summary
Zinc Oxide (ZnO) is a wide band gap semiconductor with wurtzite structure. Noori et al [3] obtained ZnO powder with 30 nm size combustion method using zinc nitrate, urea, glycine and citric acid at neutral pH and calcination at 500 ̊C. This zinc oxide powder is widely used in the various applications such as coatings for papers, ointments, and cream lotions to protect against sunburn. In the present paper ZnO nano crystallites synthesis follows a novel solution combustion synthesis method with surfactant assistance and its structural, optical, thermal and morphological characterizations are discussed
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