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ISSN: 2476-2296

Fluid Mechanics: Open Access
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  • Research Article   
  • Fluid Mech Open Acc 2017, Vol 4(5): 175
  • DOI: 10.4172/2476-2296.1000175

Study of Nanomaterials Prepared by Combustion Method Using High Heat Combustion Chamber and Agreement with the Reported Results

Perumalsamy R1,2, Prabhavathi G1,3, Nivetha S1,3, Mohamed Saleem A1,4, Karunanithy M1,5, Ayeshamariam A1,3* and Jayachandran M6
1Research and Development Center, Bharathidasan University, Thiruchirappalli, 620024, India
2Department of Physics, Thiagaraya College Higher Secondary School, , Chennai, 600021, India
3Department of Physics, Khadir Mohideen College, , Adirampattinam, 614701, India
4Department of Physics, Jamal Mohamed College, , Thiruchirappalli, 620020, India
5Department of Physics, SKPD Boys Higher Secondary School, , Chennai, 600001, India
6Department of Physics, Sethu Institute of Technology, , Pullor, Kariyapatti, 626115, India
*Corresponding Author : Ayeshamariam A, Research and Development Center, Bharathidasan University, Thiruchirappalli, 641046, India, Tel: +91 4565-241539, Email: [email protected]

Received Date: Aug 20, 2017 / Accepted Date: Sep 10, 2017 / Published Date: Sep 20, 2017

Abstract

Nanocrystalline materials such as Sn doped In2O3 Indium Tin Oxide (ITO) were prepared by the Combustion technique and characterized. Presence of electronic centers in Nanocrystalline ITO is observed from Raman studies and the same has been confirmed by photoluminescence studies. The oxidation properties of ITO were studied by X-ray Diffractmeter grain sizes are confirmed by structural studies. As against the expectation of oxide on individual Nano grains of In-Sn alloy, ITO Nano grains grew into faceted Nano grains on heat treatment in air and O2 atmosphere. The growth of ITO under O2 atmosphere showed pentagon symmetry. This Nanocrystalline ITO has been studied using Electron paramagnetic resonance (EPR) measurements. Structural studies by X-Ray Diffraction (XRD) showed the presence of dominant β phase with a minor quantity of α phase. In EPR, isotopic chemical shift peaks were observed and they are assigned to originate from the α, β phases of ITO and grain boundary component respectively. From this study, different atomic arrangements were identified in grain boundaries compared to the same within the grain in Nanocrystalline ITO. The atomic arrangement in the grain boundary seems to be somewhat different from regular periodic arrangement whereas inside the grain there is a good periodic arrangement of atoms. Above 5 mol%, Sn ions form correlated clusters, which lead to broadening. These EPR spectra were formed to contain two different components, one from the single isolated ions and the other from the clusters.

Keywords: Electron paramagnetic resonance (EPR); X-ray diffraction (XRD); Nanocrystalline indium tin oxide (ITO); Combustion

Citation: Mbamalu ON, Antunes E, Silosini N, Samsodien H, Syce J (2016) HPLC Determination of Selected Flavonoid Glycosides and their Corresponding Aglycones in Sutherlandia frutescens Materials. Med Aromat Plants 5: 246. Doi: 10.4172/2476-2296.1000175

Copyright: © 2017 Mbamalu ON, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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