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90 articles for “Optical property”
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A Brief Review on Optical Properties of Boron Carbon Oxy-Nitride: A Phosphor for Future Era
Abstract: Phosphors are generally inorganic materials which emit light when irradiated by different sources of energy. BCNO is an inorganic phosphor containing boron, carbon, nitrogen and oxygen which is mainly synthesized artificially. Quite lately, it has gained the reputation of being an inexpensive, non-toxic and Rare Earth (RE) ion free luminescence source, which can be used to generate white Light Emitting Diodes (LEDs) with persistent luminescence properties; and for its versatile …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 2, 2017 · pp. 16–26 Read article
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DFT studies of the structural, electronic and optical properties of armchair CaONT, Oxygen incorporated CaO2NT and CaO3NT and zigzag SWCaONT for Optoelectronics Applications
Abstract: In this research, the structural, electronic and optical properties of the nanotubes of CaO, CaO2 and CaO3 were studied using the DFT quantum computational approach. Although studies of electronic and optical properties were done for 2D CaO nano sheets with oxygen incorporation, there are no available data to show similar studies on the nanotubes forms of this metal oxide. This research therefore tried to explore more about the structural, electronic …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 32–40 Read article
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Study of optical properties for five ring hexagonal photonic crystal fiber
Abstract: In this paper, basically, we have investigated about different optical properties for five-ring hexagonal photonic crystal fiber. Silica glass as material for PCF is taken and different parameters analyzed like, Effective refractive index, confinement loss and Waveguide dispersion. Properties are analyzed by varying the key design parameters like air hole diameter and lattice pitch. The comparative study of the results for different design parameters is analyzed. It has been observed …
Published in International Journal of Composite and Constituent Materials · Vol. 5, Issue 1, 2019 · pp. 28–33 Read article
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An Analytical Study of Structural Optical Properties of CaAl2O4 Phosphors by Sol–Gel Method
Abstract: A comparative study of structure, morphology and optical properties of CaAl2O4 Phosphors by In this paper, monoclinic CaAl2O4 phosphor with various weight rate of aluminum was blended by low temperature sol–gel technique. The readied tests were described by X-beam diffraction (XRD) examination, Fourier change infrared (FTIR), checking electron microscopy (SEM), vitality dispersive spectroscopy (EDS) and photoluminescence discharge spectra (PL). The XRD examination demonstrated that CaAl2O4 have monoclinic structure. The normal …
Published in International journal of Nanobiotechnology · Vol. 2, Issue 1, 2016 · pp. 1–4 Read article
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Effect Of Capping Agents And Annealing On The Optical Properties Of (Cd0.8-Zn0.2)S And (Cd0.8-Zn0.2)S:Eu Films Prepared By CBD Technique
Abstract: Thin films of (Cd0.8-Zn0.2)S and (Cd0.8-Zn0.2)S:Eu are prepared by Chemical Bath Deposition (CBD) technique on glass substrates at 60ºC temperature by adding Mercaptoethanol and Methanol as capping agents(CA). The films were annealed at 400°C for two minutes and their optical properties were studied. The effect of the presence of capping agents and annealing was investigated. The optical constants such as refractive index, extinction coefficient, optical and electrical conductivity, real and …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 1, 2016 · pp. 1–7 Read article
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Effect of Ge and Pb Impurities on the Optical Properties of Amorphous (Sb2Se3)90Sn10 Thin Films
Abstract: The as prepared samples of [(Sb2Se3)90Sn10]95 M5 [M = Ge, Pb] chalcogenide system were amorphous as evidenced by X-ray diffraction studies. The optical band gap has been estimated with the help of Taucs relation for the as-deposited [(Sb2Se3)90Sn10]95M5 thin films. It is observed that the optical band gap increase with increase in the Ge and Pb content, which may be due to decrease in the density of defect states. This …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 1, 2020 · pp. 7–14 Read article
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Investigation of the Optical-Electrical Properties of Simonkolleite and ZnO: Synergism and Nano/Microcrystals
Abstract: This study aimed to investigate the optical-electrical properties of simonkolleite (SM) and zinc oxide (ZnO), focusing on ZnO's nano/micro size and the synergistic effects between SM and ZnO. The synthesis of SM nanocrystals (NCs) was successfully achieved, and thermal annealing temperature was used to manipulate the formation of SM/ZnO nanocomposites ranging from NCs to microcrystals of ZnO. Structural and morphological properties were characterized using X-ray diffraction (XRD),Fourier transforms infrared (FT-IR), …
Published in International Journal of Energetic Materials · Vol. 8, Issue 2, 2022 · pp. 18–30 Read article
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Synthesis & Characterization of Bimetallic Nanoparticles by Using PVP for Magnetic Storage Device
Abstract: Metal nanoparticles are broadly studied due to their unique chemical and physical properties, which differ from the properties of their respective bulk materials. Bimetallic nanoparticles (BNPs) are formed by the combination of two different metals. Bimetallic nanoparticles have attracted huge attention in fields such as magnetic sensors, catalysts, optical detection and biomedical applications because of their exceptional properties. In this work bimetallic nano particles have been synthesized by using a …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 2, 2018 · pp. 25–30 Read article
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Low Temperature Chemical Synthesis of Nickel Oxide Microflower and Study of its Optical and Thermal Properties
Abstract: A simple rout for the synthesis of flower like nickel oxide nanostructure has been reported using nickel sulphate and potassium per-sulphate as precursor. Efforts were made to see the effect of persulfate amount on different properties of the materials thus two samples were synthesized with different amount of per-sulphate precursors. The as prepared samples were characterized by x-ray diffraction, field emission scanning and transmission electron microscope, thermal gravimetric and differential …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 2, 2018 · pp. 17–24 Read article
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Structural, Optical, and Antibacterial Properties of NiCr₂O₄/NiO Nanocomposite Synthesized by a Facile Microplasma Electrochemical Process
Abstract: Nowadays increasing severity of environmental pollution and antibiotic resistance poses significant global challenges, particularly due to the accumulation of organic pollutants from industrialization and the proliferation of antibiotic-resistant bacteria, which jeopardize ecosystems and public health. To address these issues, the development of advanced nanocomposites with photocatalytic and antimicrobial properties is of paramount importance. This article reports the synthesis of NiCr₂O₄/NiO nanocomposite conducted in the current study via atmospheric pressure microplasma …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 1–12 Read article
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Evaluation of the Potential of Fused Silica Material: The Relationship of Temperature, Frequency, and Polarization
Abstract: Fused silica, a high-purity form of silicon dioxide, is widely recognized for its exceptional thermal stability, optical transparency, and low dielectric loss. This study evaluates the potential of fused silica as a material in advanced optical, electronic, and photonic applications by exploring its properties in relation to temperature, frequency, and polarization. Through a comprehensive analysis, we examine the temperature-dependent changes in its thermal and optical properties, including thermal expansion, refractive …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article
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Nanoenabled resinbased composites in restorative dentistry: mechanical performance, aesthetic outcomes, and global regulatory considerations
Abstract: Resinbased composites are central to contemporary restorative dentistry but remain constrained by polymerization shrinkage, wear and color instability, which compromise longterm restoration success. Nanoenabled resinbased composites (nanocomposites) have been developed to overcome these limitations by incorporating nanosized fillers and engineered nanostructures into conventional resin matrices, thereby enhancing mechanical properties and optical performance. This narrative Review summarises current evidence on the evolution, composition, and mechanisms of nanoenabled resinbased composites; compares their …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 12, Issue 1, 2026 · pp. 39–45 Read article
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Synthesis and characterization of bi metallic Nanoparticles by 2-thiotic acid for selective growth of SWCNT
Abstract: Nanoparticles (NPs) are tiny materials having size ranges from 1 to 100 nm. They can be classified into different classes based on their properties, shapes or sizes. There are different types of NPs like men made NPs and Natural NPs but we are discussing about monometallic NPs and Bimetallic NPs. We deal with bimetallic NPs. NPs possess unique physical and chemical properties due to their high surface area and nanoscale …
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 2, 2018 · pp. 48–58 Read article
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Hydroxyapatite, Synthesis of Numerous Cds Quantum Dot Composite Material: A Review
Abstract: Hydroxyapatite is one of most interesting material which is used as chemical sensor for detecting different hazardous gases. It is a bio-ceramic and non-toxic maerial for which it is widely used in bio-engineering. On the other side, CdS quantum dot is very important material in optoelectronic device fabrication for its fascinating optical, physical and electronic properties. Furthermore, scientist are also doing their research very widely on CdS quantum dot for …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 5, Issue 1, 2019 · pp. 1–11 Read article
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Porous Silicon and its Nanoparticles: A Theoretical Study
Abstract: It is very simple and cost consuming technique of fabrication of porous silicon film over silicon substrate and synthesizing the porous silicon and silicon nanoparticles. The etch reactions in RIVPSE process forms the porous structures without need of complex and expensive equipments. The luminescent porous film can be fabricated using this sample technique with any cost effecting methods such as extra energy excitation like plasma or ultraviolet photon and additional …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 1, 2019 · pp. 14–18 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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Synthesis & Characterization of ZnSe/CdSe/ZnS Nano-particles embedded in Polymer matrix- A Review
Abstract: The main purpose of this review is to highlight the present state of knowledge in synthesis, characterization, optical properties, challenges, and potential applications for the most common ZnSe/CdSe/ZnS: PVA polymer nanocomposites, utilizing these nanoscale materials for the application in optical field are being used numerously. The major impact is done on the research already done and being done from nanomaterial to nanocomposites since there has been a revived interest in …
Published in International Journal of Composite and Constituent Materials · Vol. 4, Issue 1, 2018 · pp. 28–33 Read article
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Nanocomposites: The Fusion of Nanotechnology and Composite Materials
Abstract: Nanocomposites, resulting from the integration of nanotechnology and composite materials, have emerged as a cutting-edge class of materials with exceptional properties and multifunctional capabilities. This article presents a concise overview of the principles, fabrication methods, and diverseapplications of nanocomposites, highlighting their profound impact on numerous industries. By harnessing the power of nanotechnology, nanocomposites offer precise control over material structure and properties at the nanoscale. Through the incorporation of nanoscale reinforcements, …
Published in International Journal of Composite and Constituent Materials · Vol. 9, Issue 1, 2023 · pp. 43–50 Read article
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Synthesis, Characterization and Photoconductive Properties of Antimony Selenium Iodide
Abstract: A shiny needle-shaped polycrystalline chalcogenide compound, SbSeI, was synthesized through a solid-state thermal reaction by combining the constituent elements in a stoichiometric ratio within an evacuated quartz tube at 585°C for 3.5 hours. The resulting compound was characterized using SEM, EDAX, and XRD techniques to confirm its structure and composition. The resistance versus temperature curve revealed the semiconducting nature of the material with a resistivity of 3.5 x 10⁷ Ω-cm …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 1, 2025 · pp. 1–8 Read article
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Two-dimensional MoS2 Nanosheets: Preparation and Characterization
Abstract: The amazing properties and useful applications of graphene in the field of sensors, electronics and material science opens a new challenges to other two dimensional semiconductor materials. Specially due to extraordinary electronic, mechanical and optical properties, molybdenum disulfide (MoS2) is attracting huge interest in several applications. Single layer MoS2 with direct band gap shows better semiconductor behavior such as photoluminescence, makes them more acceptable in optoelectronic applications in comparison with …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 2, 2019 · pp. 17–25 Read article