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37 articles for “doping”
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Doping and Its Impacts on the Properties of ZnO Nanocrystals: A Brief Review
Abstract: Research on zinc oxide (ZnO) has surged in recent years due to its extensive range of applications because its unique physical and chemical properties make it ideal for various uses, including acoustic devices, photocatalysis, pharmaceuticals, light-emitting diodes, solar cells and antibacterial agents. ZnO nanoparticles are particularly notable for their biocompatibility, low toxicity and stability, making them suitable for drug delivery and antiviral applications. The versatility of ZnO has led to …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 1, 2025 · pp. 8–25 Read article
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Crystal Growth, Synthesis and Characteristic Studies of Bismuth Doped Tristhioureazinc (II) Sulpate (ZTS) Crystal
Abstract: Potential semi organic tristhioureazinc(II) sulphate (ZTS), One of the best room temperature growth techniques for nonlinear optical materials with high SHG efficiency is slow evaporation solution growth, which produces pure and single crystals for use in laser technology and photonic applications. Single crystals Doping of Bismuth fluoride (equimolar) to ZTS is done during the crystallization process is further analysed by single crystal XRD which infers that the Bismuth doped ZTS …
Published in International Journal of Chemical Separation Technology · Vol. 9, Issue 2, 2023 · pp. 45–52 Read article
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Synthesis, Crystal Growth and Characterization of Bismuth Doped Potassium Hydrogen Phthalate Crystal (Khp): A Nlo Material
Abstract: To create single crystals using the Slow Evaporation Solution Growth Technique (SEST), equimolar composition of the transition metal (Bi) as Bismuth nitrate is added to Potassium Hydrogen Phthalate (KHP) (1:1) at ambient temperature. The following analysis is then performed on the single crystals that have formed. Equimolar doping-induced structural distortion in the crystals is confirmed by the FT-IR Spectra. The TGDTA study reveals the purity of the material and no …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 1, 2024 · pp. 19–27 Read article
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TiO2 Doped with Noble Metals and Transition Metals: A Review
Abstract: This review article investigates advances in the research of nanomaterials based on titanium dioxide (TiO2) doped with noble metals and transition metals. Initially, we provide an overview of the theory behind TiO2 as the base material and discuss the fundamental principles of nanomaterial doping. Next, we delve into studies on noble metal doping, highlighting recent research that explores the incorporation of noble metals such as gold (Au), silver (Ag), and …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 1, 2023 · pp. 1–12 Read article
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Synthesis, characterization, antibacterial activity and in-vitro cytotoxicity of Dy and Fe doped hydroxyapatite nanomaterials
Abstract: Dy- and Fe-doped hydroxyapatite (HAp) was synthesized by the facile aqueous precipitation method. The samples were characterized by using powder X-ray diffraction, Fourier transform infrared spectroscopy and transmission electron microscopy. In this work, the antibacterial activities of Dy- and Fe-doped HAp were tested against gram-positive (Staphylococcus aureus, Bacillus subtilis) and gram-negative (Escherichia coli, Klebsiella pneumoniae and Pseudomonas putida) bacteria by agar diffusion test. It was found that Dy(5)-and Fe(5)-doped HAp …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 46–54 Read article
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Effect of Calcium doping on Structural and Morphological properties of YBCO Superconductor
Abstract: In this paper, we have reported the effect of Ca doping in YBCO superconductors with an aim of understanding the effect of novel local nano distortions on the superconducting properties of YBCO. Solid state reaction method is used to prepare the samples. X-Ray diffraction pattern shows that the samples are polycrystalline and having orthorhombic structure while Resistivity measurement shows that Tc decreases with increase in Ca-doping.Morphological studies reveals clear evolution …
Published in International Journal of Applied Nanotechnology · Vol. 6, Issue 1, 2020 · pp. 6–10 Read article
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Magnesium Doped Ammonium Di Hydrogen Phosphate
Abstract: New mixed crystals of Ammonium magnesium sulphate heptahydrate (AMgS) are synthesized by slow evaporation solution growth process using water as solvent. Close observation of FTIR and XRD profiles of doped and undoped samples reveal some minor structural variations. Energy dispersive spectra shows the presence of Mg (II) in the doped crystals. The sample's purity is verified through thermal analyses. SEM images exhibit defect centers due to dopants incorporation into ADP …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 40–52 Read article
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Auxiliary Characterization of (Co, Mn) Co-doped Zinc Oxide Thin Films
Abstract: Cobalt and manganese are both co-doped with zinc oxide films were set up by sol-gel turn covering strategy on quartz substrate by shifting the dopants focus. The result of dopants focus was researched by x-beam diffraction (XRD). The XRD design demonstrates that the kept movies have polycrystalline hexagonal wurtzite structure. SEM micrograph demonstrates the adjustments in morphology of very thin film as dopants fixation are fluctuating. The compositional examination did …
Published in International Journal of Metallurgy and Alloys · Vol. 2, Issue 1, 2016 · pp. 31–35 Read article
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Synthesis and Characterization of Nickel Doped BFO Nanoparticles
Abstract: In the present, work we have synthesized the pure and Nickle doped bismuth ferrite at different concentration by the chemical route method. Increasing in the doping concentration leads to generation of secondary phase, thus dopant concentration is maintained to 5mol%. XRD was used to confirm the phases transformation of nanocrystalline composite materials along with measurement of the crystallite size. Scanning electronic microscopy (SEM) was used to study the morphological properties …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 17–29 Read article
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Ferromagnetism in Rare Earth Metal Doped ZnO: A Theoretical Approach
Abstract: The ferromagnetic properties of Diluted Magnetic semiconductor, Zn1−xDyxO is studied from theoretical point of view. The Heisenberg’s and Greens theorem determine the Hamiltonian of the system. The interaction between the nearest neighboring spin is determined by retarded Greens function. By using Greens theory, defect-induced ferromagnetism is discussed. For the ferromagnetic states, the expected exchange integral is positive and negative for the antiferromagnetic states. In addition, from magnetic property, the temperature …
Published in International Journal of Applied Nanotechnology · Vol. 8, Issue 1, 2022 · pp. 1–11 Read article
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Study the properties of spin-coated Co-doped ZnO (CZO) thin Film
Abstract: Co doped ZnO (COZ) nanoparticles were prepared by spray pyrolysis technique followed by annealing at three different temperatures. XRD, UV- Vis spectroscopy, Photoluminescence (PL) studies, Scanning electron microscopy (SE), and vibrating sample magnetometry (VSM) studies were made to analyze the structural, optical and magnetic properties. XRD pattern confirmed the improved crystallinity after annealing and the formation of hematite phase. A UV-visible spectrum indicates that the nanoparticles exhibit the blue shifting …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 26–35 Read article
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Microstructure Dependence of Electrical Properties in AgI- and Ag2S-Doped Glass Nanocomposites
Abstract: In this paper, we report the study of microstructure dependence of ion conduction for several AgI- and Ag2S-doped glasses and glass nanocomposites systems. The structure and electrical properties of these samples have been studied and the effects of formation of nanocrystalline phases on the electrical properties of these glasses are presented. The microstructure of these glasses was studied employing transmission electron microscope (TEM). The temperature dependence of dc conductivity shows …
Published in International Journal of Composite Materials and Matrices · Vol. 1, Issue 2, 2015 · pp. 9–13 Read article
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Nanoscale Metal Oxide Improvement for Photoelectrochemical Water Splitting and Hydrogen Generation
Abstract: The global pursuit of clean and renewable energy has spotlighted hydrogen as a sustainable fuel, particularly when generated through environmentally friendly methods. Among these, photoelectrochemical (PEC) water splitting stands out as a direct and solar-powered approach to hydrogen (H₂) production. Unlike conventional techniques that rely heavily on fossil fuels, PEC systems utilize semiconductor materials to absorb sunlight and catalyze the splitting of water into hydrogen and oxygen, without releasing harmful …
Published in International Journal of Applied Nanotechnology · Vol. 11, Issue 2, 2025 Read article
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Chemical and Nanotechnological Strategies for Enhanced Alopecia Treatment
Abstract: Over 50% of individuals suffer from androgenetic alopecia (AGA), a prevalent cause of hair loss that has historically been treated with oral finasteride and topical minoxidil, however, these have inconsistent results. Platelet-rich plasma (PRP), microneedling, and novel medication delivery devices are some of the recent developments in AGA treatment that are intended to enhance therapeutic results and patient satisfaction. In order to improve hair regrowth, this review looks at new …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 1–15 Read article
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Design and Development of Semiconductor Nanocomposites for Photoelectrocatalytic Applications
Abstract: Humanity is currently facing an unprecedented challenge: anthropogenic climate change. This complex phenomenon is driven by a multitude of factors, including scientific, psychological, societal, and social dimensions, among others. the release of greenhouse gases, such as CO2, CH4, N2O, HFCs, and PFCs have increased significantly. Since the industrial revolution, atmospheric CO2 levels have surged by 50%. Although gases like CO2 and CH4 occur naturally and are essential for maintaining the …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 25–32 Read article
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Nanoparticles to Control Stranded Packing of DNAs
Abstract: We report here on new optic and small-angle X-ray scattering (SAXS) measurements concerning the formation of the dispersions from double-stranded (ds) DNA molecules, doped with negatively charged gold nanoparticles (nano-Au). The nano-Au fixation nearby the surfaces of linear ds DNA in solution of high ionic strength (0.3 M NaCl) and subsequent phase exclusion of (ds DNA-nano-Au) complexes from solution containing poly(ethylene glycol) results in decrease in the amplitude of abnormal …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 2, 2016 · pp. 4–10 Read article
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DIFFERENT METHODOLOGIES USED FOR PERFORMANCE ANALYSIS OF ORGANIC LIGHT EMITTING DIODE
Abstract: Organic Light Emitting Diode (OLED) is a Solid state lighting devices, the charge transporters must be infused from the anode and cathode yet the execution, lifetime, effectiveness and solidness of these devices are normally administered by the correct thickness of the material layers and terminal/organic interfaces at the anode contacts. This study we exhibit the approach using different thickness and doping of the material in Organic Light Emitting Diode. We …
Published in International Journal of Metallurgy and Alloys · Vol. 5, Issue 1, 2019 · pp. 20–25 Read article
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Magnetic field guided diluted magnetic semiconductor ZnxFe2-xO3 Nanostructures for applications in biomedical and biosensors
Abstract: The magnetic field guided nanoparticles are studied in the viewpoint of diluted magnetic semiconductor. Different structures and properties of Zn doped α-Fe 2 O 3 nanostructure is presented in theoretical point of view. In these regard, Weiss molecular filed theory, DFTB model, and DLVO theory are used to describe particle agglomeration, aggregation, electrostatic interactions, and magnetic interactions between Zn doped iron oxide nanocolloids. In addition, the nature of interactions between …
Published in International journal of Nanobiotechnology · Vol. 9, Issue 2, 2023 · pp. 18–30 Read article
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Exploring Conductive Polymers for Flexible Electronics:Fabrication Techniques and Performance Analysis
Abstract: The advent of conductive polymers has heralded a new era in the development of flexible electronics, offering a unique blend of mechanical flexibility and electronic functionality. This paper explores the various fabrication techniques employed in the production of conductive polymers, with a particular focus on their application in flexible electronic devices. Key methods such as chemical vapor deposition, solution processing, and electrochemical polymerization are reviewed in detail, highlighting their advantages …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 1, 2024 · pp. 22–28 Read article
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Tuning Superconductivity in ABO3 Type Multiferroic Nanocrystals
Abstract: We present a suitable ways for tuning superconductivity in type multiferroics nanocrystals. It is seen that as a smart materials, multiferroics nanocrystals present distinguishing properties including ferroelectricity, piezoelectricity, ferrotoroids, magneto electrics and ferromagnetism. The reasons for the existence of multiferroicity are interactions of photons with these analytic molecules, electron doping and crispr, which adds or alters the electronic, optical and magnetic properties dramatically. It is clarified that the existence of …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 9, Issue 1, 2023 · pp. 5–17 Read article