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22 articles for “Keywords: XRD”
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Preparation and Characterization of Lanthanum Doped Calcium Aluminate Nanophosphor (CaAl2O4: La) by Sol-Gel Method
Abstract: Abstract Lanthanum doped calcium aluminate nanophosphor (CaAl2O4: La) was prepared by sol-gel method. Characterizations such as XRD, SEM, EDAX and PL were done. Monoclinic structure was confirmed by the XRD analysis; the particle size was found to be 27 nm and is determined by (Williamson and Hall plot) W-H plot method. It shows that the particles were of small granular structure, and were interlinked with each other, lead to the …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 1, 2016 · pp. 24–28 Read article
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Characterization of Mn Dopped SrAlO Nano-Phosphors Prepared via Sol-Gel Method
Abstract: Strontium aluminate with Mn dopped phosphor was synthesized by Sol-Gel method using Strontium Acetate, Aluminium Acetate as raw material and 2-methoxyethanol as complexing agent. The transparent sol was preheated at 100°C for 2 h and then the precursor was finally annealed at 950°C for 2 h. The phosphor emits luminescence with peak wavelength at 395 nm and 520 nm under near-ultraviolet excitation at 360 nm. The morphology, composition and structure …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 3, 2016 · pp. 5–10 Read article
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Structural and Magnetic Property Studies of Nanocrystalline Co0.8Zn0.2Fe2O4
Abstract: The synthesis of Co0.8Zn0.2Fe2O4 nanoparticles has been achieved by a simple thermal decomposition method from the inorganic precursor, Co0.8Zn0.2Fe2(cin)3(N2H4)4, which was obtained by a novel precipitation method from the corresponding metal salts, cinnamic acid and hydrazine hydrate. The precursor was characterised by hydrazine and metal analyses, infrared spectral analysis and thermo gravimetric analysis. The thermal decomposition of Co0.8Zn0.2Fe2(cin)3(N2H4)4 yielded Co0.8Zn0.2Fe2O4 nanoparticles, which were characterised for their size and structure using …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 5, Issue 3, 2015 · pp. 67–73 Read article
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Role of Solvent on the Synthesis Structure of Zinc Oxide Nanoparticles
Abstract: Zinc oxide nanoparticles are synthesized by simple precipitation method in two different solvents, i.e., in distilled water and methanol. The zinc chloride and sodium hydroxide pellets are used as reactant precursors in both cases. The authors have analyzed the effect of solvents on crystal size and structure of zinc oxide nanoparticles. The samples were characterized by X-ray Diffraction (XRD) and UV-Vis spectroscopic techniques. The high absorption peak for zinc oxide …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 42–45 Read article
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Simulation of Current Density of Oxide Layer Materials & Synthesis, Characterization of Nano Lanthanum Aluminate and Its Dielectric Analysis
Abstract: The complementary metal-oxide semiconductor (CMOS) technology is in an urge requirement of high dielectric material especially at nano level scaling to avoid quantum mechanical tunnelling and leakage current. Hence to optimize the device performance and to compare the conventional SiO2 oxide material with the selected novel high K material (LaAlO3), the SiO2 and LaAlO3 materials are atomically built in the Virtual Nano Lab – Quantum Wise version 12.8.0 software and …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 10–14 Read article
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MgO Nanoparticles Prepared By Microwave-Irradiation Technique and Its Seed Germination Application
Abstract: The nanoparticles are having the vast surface area because of their size is which in the nano range. All the nano structured materials possess a huge surface energy. The nanoparticles of inorganic compounds are used in various fields like electronics, optics, seed germination, paints, different types of sensors, water purification and biomedical fields. The present work is focused on preparation, characterization and application of Vigna radiata (mung bean) seed germination …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 18, Issue 1, 2016 · pp. 10–17 Read article
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Synthesis and Characterization of Silver Nanoparticles by using Aqueous Leaf Extract of Tecomella Undulata (SM.) seem. and their Antibacterial Properties
Abstract: Abstract The efficient protocol for bio-synthesis of silver nanoparticles (AgNPs) using Tecomella undulata leaves was developed. The present study revealed that bio-active compounds and secondary metabolites present in the aqueous extract function as stabilizing agent for AgNPs. UV-Visible spectro-analysis and FTIR confirm the presence of bioactive compounds and TEM, EDX and XRD studies confirm the crystalline nature, structure and surface morphology of silver nanoparticles produced from the plant Tecomella undulata. …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 7, Issue 2, 2020 · pp. 5–13 Read article
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Synthesis and Characterization of Zinc-doped CdO Nanopowder Prepared by Mechanochemical Method
Abstract: Zinc-doped cadmium oxide nanopowders with various Zn concentrations have been prepared using mechanochemical method. The structure and morphology of the as-prepared samples are investigated by means of X-ray diffraction (XRD), Scanning electron microscopy (SEM) and Energy dispersive spectroscopy (EDS). The XRD result indicates that the average size of Zn-CdO powder is in nano range having a desired cubic phase. Surface morphology of sample is determined by scanning electron microscopy (SEM) …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 26–31 Read article
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Structural Characterization of (Co, Mn) Co-doped ZnO Thin Films by Sol-Gel Spin Coating Method
Abstract: Cobalt (Co) and manganese (Mn) co-doped zinc oxide (ZnO) thin films were prepared by sol-gel spin coating method on quartz substrate by varying the dopants concentration. Co0.02Mn0.08Zn0.90O; Co0.05Mn0.05Zn0.90O and Co0.08Mn0.02Zn0.90O thin films were deposited using different rates of cobalt acetate tetrahydarte, manganese acetate tetrahydrate and zinc acetate dihydrate solutions. The effects of dopants concentration were investigated by x-ray diffraction (XRD). The XRD pattern shows that the deposited films have polycrystalline …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 17–21 Read article
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Preparation and Characterisation of Activated Carbon from Rice Husk and its Polyvinylpyrrolidone (PVP) Composite for Heavy Metal Removal from Simulated Wastewater
Abstract: AbstractRemoval of heavy metals from industrial wastewater is of importance due to rapid increase in global industrial activities. This investigation deals with the preparation of adsorbentactivated carbon from agricultural waste material such as coconut shell, orange peel, ricehusk, peanut husk and sawdust to remove heavy metals from wastewater. The abundance and availability of rice husk, an agricultural waste, make them as a good source for precursor of activated carbon. Hence, …
Published in Journal of Water Pollution & Purification Research · Vol. 4, Issue 3, 2017 · pp. 10–15 Read article
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Biosynthesis of Magnetic Iron Oxide Nanoparticles Using Hibiscus as a Plant Source
Abstract: Green chemistry has significant role in improving and protecting the global environment and they are even competent over other conventional methods. This paper investigates the greener route to nanoparticles which were produced by coprecipitation technique using hibiscus leaf extract as a plant resource. This method has been proven cost effective, simple, economical, eco-friendly and non-hazardous. The formation and nature of synthesized magnetic iron oxide nanoparticles were characterized by UV–Vis spectroscopy, …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 1–9 Read article
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Sustainable Fuel Production by Thermocatalytic Decomposition of Methane using Ni/ZnO Catalyst
Abstract: Abstract Thermo catalytic decomposition of methane (TCD) is a promising method to produce COx free hydrogen and carbon. In this study, Nickel supported on zinc oxide (Ni/ZnO) catalyst for the hydrogen production through thermo catalytic decomposition of methane was reported. The effect of Ni weight percentage (10%, 20%, 30% and 40wt %) and reaction temperature (650, 700, 750 and 800ºC) with ZnO catalyst was performed for hydrogen production studies at …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 2, 2017 · pp. 1–7 Read article
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Characterization of PANI-CNT Composite Flexible Dry Electrodes for Long-Term ECG
Abstract: Abstract Study of polymer dry electrodes in sensing biological signals has received attention as the nature of the polymer to bend that supports electrode’s contact and also avoids skin irritations and allergic reactions. As a polymeric substrate, we have used polyaniline (PANI) as it has very good conductivity, environmental stability, lower price and facile synthesis. Carbon nanotube (CNT) is added to the substrate to increase the overall electrical, magnetic, mechanical, …
Published in Recent Trends in Electronics Communication Systems · Vol. 3, Issue 3, 2016 · pp. 1–6 Read article
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Corrosion Resistance of HVOF and Plasma Sprayed Ni-Cr/WC-Co Coatings
Abstract: In this work, Ni-Cr/WC-Co composite coating with an approximate thickness of appr. 100 µm was produced by atmospheric plasma and HVOF thermal spraying on SS 304 substrate. The main objective was to characterize the Ni-Cr/WC-Co coating. The microstructure and composition of powder and coatings were studied by Scanning Electron Microscopy (SEM), Optical Microscope and X-ray diffraction (XRD). The coating characteristics such as porosity, and micro-hardness were evaluated. Finally the corrosion …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 1, Issue 2, 2014 · pp. 51–57 Read article
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Growth and Characterization of CuInSe2 Nanoparticles for Solar Cell Applications
Abstract: This paper investigates the possibility of growing copper indium diselenide (CuInSe2) nanoparticles by solution method for solar cell applications. The purpose is to study the reaction, growth mechanism and to optimize the parameters of this method. Upon successful synthesizing the samples, they were characterized using various techniques. EDAX, SEM, PIXE, XRD together with the measured optical parameters obtained from UV-VIS absorption testing were analyzed. They show reasonably identical values that …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 5, Issue 1, 2014 · pp. 13–17 Read article
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Preparation, Characterization and Electrical Conductivity of Chitosan-C 30B/MWCNT Nanocomposite Films
Abstract: In this research programme organoclay clay Cloisite 30B (C 30B) and Multi walled carbon nanotubes (MWCNTs) were successfully blended with the biopolymer Chitosan (CS). The polymer nanocomposites were characterised by various techniques like Fourier Transmission Infrared spectroscopy (FTIR), X-ray Diffraction (XRD) and Scanning Electron Microscope (SEM). From the results it was found that intercalation or nearly exfoliation has been occurred between the polymer and the clay. Electrical conductivity was also …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 18, Issue 3, 2016 · pp. 1–4 Read article
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Antibiofilm Activity of Thermal Evaporated Tin Oxide Thin Film
Abstract: Biofilm is the deposition of microorganisms and their products on a solid surface submerged in water, which is prevalent problem, responsible for the degradation of the surface over the time. Elimination of microorganisms from submerged solid surface is enormously important process to reduce degradation of that surface. Recently, Tin Oxide (SnO2) nanoparticles have attracted the attention of researchers for its antibacterial property due to hydrophobic and non-toxic nature. Thin films …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 3, 2015 · pp. 1–5 Read article
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Comparison Study between Pd/AC and Pd/CB for Simultaneous Production of Hydrogen and Carbon Nanotubes using Thermocatalytic Decomposition of Methane
Abstract: Hydrogen is an attractive alternative source of the future need. It could be produced from the diverse sources and is used for a transport fuel which chiefly alliance with fuel cells. The crucial challenge for hydrogen production is reducing the price of production technologies to make the ensuing hydrogen price economical with conventional fuels. Thermocatalytic decomposition (TCD) of methane is one of the most advantageous technique which will meet the …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 18, Issue 1, 2016 · pp. 18–26 Read article
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Developing Molybdenum Doped Zinc Oxide Nanoparticles’ Sensors for Quality Assessment of Black Tea
Abstract: Zinc oxide is a well-established sensor material for detection of various organic molecules. In a quest of developing a sensor array for quality assessment of black tea, developing pure and molybdenum doped nanocrystalline ZnO-based sensors. The effect of changing the sintering duration and time has been studied. FESEM, EDS and XRD characterisations confirmed the formation of wurzite nanocrystals of approximately 20 nm. The 2% molybdenum doped ZnO (calcined at 500 …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 3, 2014 · pp. 32–38 Read article
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Sonochemical Synthesis and Photo-Catalytic Study of Cd Doped Znse Nanoparticles
Abstract: Cd doped ZnSe nanoparticles have been successfully synthesized with sonochemical process by reacting high purity acetates and sodium selenosulphate at 343 K. The size of nanoparticles was calculated by using powder XRD. It shows the crystalline size ranging between 35.3 nm to 45.44 nm. XRD further shows that ZnSe nanocrystallites are polycrystalline in nature and belong to the hexagonal phase. SEM shows that the particles are spherical in shape. Effect …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 32–41 Read article