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80 articles for “Doped”
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Types and Fabrication Methods of Borate Based Thermoluminescence Materials
Abstract: Thermoluminescence (TL) is a kind of luminescence produced by certain crystalline materials that refers to the re-emission of energy received from electromagnetic radiations as light when the substance is heated. Thermoluminescence materials are used in a variety of fields, including environmental dosimetry, personal dosimetry, and medical research. Doping different rare earth impurities in different hosts causes the characteristics of materials suitable for diverse applications in many disciplines to change. Terbium …
Published in Journal of Nuclear Engineering & Technology · Vol. 14, Issue 3, 2024 · pp. 1–11 Read article
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Enhancing Functional and Structural Properties of Advanced Materials through Scandium-based Nanostructures: Applications in Ceramics, Thermoelectrics, Memory Devices, and High-Strength Alloys
Abstract: This study explores the fabrication and properties of scandium-based nanostructured materials with applications in ceramics, glass, thermoelectric modules, switching devices, and strengthened alloys. Scandium oxide (Sc₂O₃) nanopowders were synthesized using precipitation techniques and subsequently sintered to create transparent ceramics with fine dispersion. Investigations into scandium-doped metallic glasses demonstrated enhanced plastic deformation, with notable tensile plasticity attributed to its unique nanoglass structure. A new scandium-doped thermoelectric material, ZnCdO, was also developed, …
Published in International Journal of Minerals · Vol. 1, Issue 2, 2024 · pp. 14–18 Read article
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Au@Sio2@PVP-DCMD Membranes: A Breakthrough in Heavy Metal Removal and Antibacterial Defense
Abstract: This study investigates the development and characterization of multifunctional gold-doped silica (Au@SiO₂) membranes for water distillation and antibacterial applications. The manufacturing process integrated gold nanoparticles into silica matrices using sol-gel techniques. Structural analysis was conducted using SEM (showing uniform pore distribution with an average pore size of 40-50 nm), FTIR (confirming Si-O-Si and Si-Au-Si bonding peaks at 525 cm⁻¹ and 1310 cm⁻¹ respectively), EDX (revealing gold nanoparticle content of 1.5 …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 13–27 Read article
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Progress and Prospects of Chromium-Based p-Type TCOs: Next-Generation Transparent Electronics
Abstract: The field of active devices has recently shown a great interest in p-type transparent conducting oxides (TCOs). In the realm of optoelectronics, a new generation known as "Invisible Electronics" began with the introduction of transparent junctional devices. In recent years, many different p-type transparent conducting oxide materials with enhanced optical and electrical properties have been produced. These p-TCOs are not stoichiometric and are doped with suitable counter-cations/anions. For p-TCOs, chromium …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 3, 2025 · pp. 9–16 Read article
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Role of Strontium in Structural and Dielectric characterstics of Barium Titanate
Abstract: Ba₀.₇₅Sr₀.₂₅TiO₃ (BST) compound was synthesized through the conventional solid-state reaction methodology, aimed at investigating its structural, microstructural, and dielectric characteristics. The structural characterization was executed employing X-ray diffraction (XRD), and the resultant diffraction patterns were refined utilizing the Rietveld method, which substantiated the establishment of a single-phase perovskite configuration exhibiting tetragonal symmetry and belonging to the P4mm space group. The refined lattice parameters revealed subtle distortions correlating with the substitution …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1157–1163 Read article
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Design and Analysis of Quantum Dot Solar Cell Using SCAPS-1D Software
Abstract: Compared to conventional solar cells, quantum dot solar cells (QDSCs) have drawn a lot of attention due to their hybrid structure, low production cost, and greater power conversion efficiency. Nevertheless, carrier recombination in the quasi-neutral region (QNR) continues to limit their performance. The electron transport layer (ETL) and hole transport layer (HTL) are two of the layers that are most important in determining the overall efficiency of the device. The …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 17, Issue 1, 2026 · pp. 15–20 Read article
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Machine Learning Assisted Optimization of Nanoscale MOSFET Parameters Using TCAD Simulation
Abstract: This paper presents a machine learning (ML) assisted framework for the multi-objective optimization of nanoscale bulk n-channel metal-oxide-semiconductor field-effect transistors (nMOSFETs) with a 10 nm physical gate length, high-k HfO₂ gate dielectric, and TiN metal gate. Technology computer-aided design (TCAD) simulations employing drift-diffusion transport, Shockley-Read-Hall recombination, Lombardi mobility degradation, and density- gradient quantum correction models are used to generate a parametric dataset of 2,400 device configurations spanning gate length (L), …
Published in Journal of Microelectronics and Solid State Devices · Vol. 13, Issue 1, 2026 · pp. 10–19 Read article
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Fabrication and Comparative Study of Synthetic and Eggshell Waste Derived Hydroxyapatite-Based Composites for Biomedical Applications
Abstract: Hydroxyapatite is widely used as a bioceramic material in orthopedic and dental field because of its exceptional biocompatibility and bioactivity. Hydroxyapatite (HAp) doped with several mineral ions has been frequently reported to further enhance its bioactive nature. Several studies indicate that biological waste materials can serve as calcium sources for hydroxyapatite synthesis, with eggshells being one such promising source. In the present work, two types of hydroxyapatite were synthesized: pure …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 33–46 Read article
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Synthesis and Structural Characterization of Nanocrystalline CeO2 and Ce0.95Cu0.05O2 Solid Solution Catalysts Properties and its Applications
Abstract: The Main study and the development of CeO2 and Cu doped CeO2 nanocrystals containing transition-metal species are of crucial importance for understanding the preparation and fabrication of CeO2 and Cu doped CeO2 nanoparticles by solution combustion technique to taken glycine as fuel. Here, we have investigated the effect of Cerium dioxide and Cu dopant ions on the structural properties of Ce1-xCuxO2 nanocrystals (NCs) synthesized via co-precipitation technique. XRD results confirmed …
Published in Journal of Catalyst & Catalysis Read article
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Influence of Crystallization Time by Hydrothermal Synthesis of Ag NPs-Zeolite Composite
Abstract: The nanocomposites Ag NPs-zeolite involve zeolite loaded with silver nanoparticles and have been prepared by an easy one-pot hydrothermal autoclave method. Three samples of silver-bearing zeolite were prepared for 8 hours, 6 hours, and 4 hours, respectively, inside an autoclave at 100°C. A range of characterization procedures were used to examine the samples, such as x-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), UV-visible spectroscopy, and zeta potential. Results …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 80–90 Read article
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Synthesis, Properties, Nanocomposites, and Electrochemical Applications of Polyaniline: A Review
Abstract: Polyaniline, also known as PANI, is a polymer in the that is becoming more significant for academics in the field of nanotechnology due to the potential uses it has in sensor technologies, optoelectronics, and photonics. PANI can be rapidly doped by a broad range of acids and dopants due to the ease with which it may be manufactured and its exceptional resilience in the natural environment. In this article, we …
Published in Journal of Polymer & Composites · Vol. 11, Issue 3, 2023 · pp. 13–20 Read article
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Optimization of Liquid Metal Nanocomposites and Biogas Addition Rate Using ANN-GA
Abstract: In this study, the liquid metal nanocomposites were investigated using artificial neural network (ANN) prediction capabilities for Compression Ignition (CI) engine performance. The independent input variables selected were load (20-100%), Liquid-metal nanocomposites Doped Rate (NDR, 0-50 ppm), and Biogas Flow Rate (BFR, 0.5-1.0 kg/h). The Central Composite Face-Centered Design (CCFCD) was used in conjunction with the selected input variables and output parameters to assist in the preparation of the Design …
Published in Journal of Polymer & Composites · Vol. 11, Issue 11, 2023 · pp. 12–27 Read article
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A Comprehensive Study of ZnxFe2-xO3 Nanoparticles: Assessing Magnetic Properties for Medical Imaging (MI)
Abstract: Diluted magnetic ZnxFe2-xO3 nanoparticles are special semiconducting nanoparticles which are recognized for their magnetic properties. A theoretical examination of Zn-doped αFe2O3 nanostructures reveals a range of structural and property variations, offering insights into their potential applications and behavior at the nanoscale. In this regard, Heisenberg’s model and Weiss molecular filed theory is used to describe the magnetic properties of ZnxFe2-xO3 nanoparticles. These theorems inevitably enable to investigate the relationship between …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 26, Issue 2, 2024 · pp. 18–25 Read article
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Fabrication of Low-Cost and High-Efficiency Crystalline Silicon Solar Cells Using Polymeric Carrier Selective Contacts
Abstract: Crystalline silicon (c-Si) solar cells are the leading choice in the photovoltaic market due to their dependability and long-term stability, but lowering production costs and increasing efficiency remain key issues. Organic semiconductors use carrier-selective contacts based on doped amorphous silicon layers and transition metal oxides to simplify and lower the production costs of efficient crystalline silicon solar cells. Polymers are rapidly being used in photovoltaics as flexible substrates, photoanode films, …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 124–131 Read article
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Experimental Evaluation of MDM@Gd2O3:Eu3+ and Protein@MDM@Gd2O3:Eu3+ Functional Nanomaterial
Abstract: Lanthanide cation like Eu3+ (europium Xe 4f66s0) doped functional nanomaterials of lanthanide oxides especially of gadolinium oxide (Gd2O3) as nanorods capped with monodispersed macromolecule (MDM) like polyvinylpyrrolidone (PVP) coated with natural biopolymers like proteins as human serum albumin (HSA) have been the most demanding and applied nanomaterials in areas of the biosensor, optical distinguisher, electronic fluoresces, upconversion, and surface plasmonic resonance (SPR) nanomaterials and others. The Gd3+ and Eu3+lanthanide cations …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 214–223 Read article
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Nano-Adsorbents for Water Purification: A Focus on Nanoclays
Abstract: Nanotechnology has emerged as a pivotal tool in addressing contemporary environmental challenges, particularly in water purification. This paper explores the use of nano-adsorbents, focusing on nano-clay materials, as effective solutions for the adsorption and removal of harmful pollutants from water. Nano-clays, owing to their large surface area and unique physicochemical properties, exhibit exceptional adsorption capacity for contaminants such as heavy metals, dyes, antibiotics, and various organic compounds. This review consolidates …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 3, 2024 · pp. 38–44 Read article
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ZnO Nanostructure Shape Effects in Photocatalysis of Methylene Blue
Abstract: Nowadays, dyes are used in the food industry, textile industry, paper industry, hair coloring, light-harvesting arrays, photoelectrochemical cells, etc. Most of the dyes are nonbiodegradable, toxic, carcinogenic, and consist of organic compounds. These dye wastages are discharged into water bodies and the environment causing serious hazards to the marine ecosystem as well as the humans extensively. To treat toxic dyes traditional methods such as adsorption, activated carbon, ultrafiltration, and reverse …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 722–727 Read article
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Investigating the effect of Anodes workfunction on the Opto-electronics Performance of Organic Light Emitting Diode
Abstract: The research aims to assess the performance of organic light-emitting diodes (OLEDs) by exploring how various anode materials affect their optoelectronic properties. OLEDs are crucial for modern displays and lighting, and their efficiency and functionality are heavily influenced by the materials used in their design.This study examines four different anode materials: Indium Tin Oxide (ITO), Zinc Oxide (ZnO), Aluminum-doped Zinc Oxide (AZO), and Poly(3,4-ethylenedioxythiophene) Polystyrene Sulfonate (PEDOT: PSS). These materials …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 2, 2024 · pp. 27–37 Read article
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Photocatalysis Unveiled: Fundamentals, Mechanisms, and Material Innovations
Abstract: The Industrial Revolution significantly enhanced living standards but also led to severe environmental degradation, making pollution a critical concern for both developed and developing nations. Photocatalysis, a light-driven chemical process, accelerates thermodynamically demanding reactions, such as photosynthesis, offering a promising alternative for deep solar energy storage. This method also minimizes chemical exposure and reduces environmental pollutants generated by industrial activities. A key advantage of photocatalysis is its ability to replace …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 1, 2025 · pp. 08–18 Read article
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Optical properties of Carbon quantum dots for AI enhanced flexible bioelectronics and nanomedicine
Abstract: Carbon nanodots are the emerging nanomaterials of 20 th century. Carbon nanodots is the family of carbon based material with distinguished bio-physical properties. In this paper, the optical properties of carbon nanodots are presented. One of the developments Nanoscale physics and nanotechnology is the ability of converting optical signals into meaning full information. This innovation is accelerated and improved by incorporating nanoscale materials including carbon quantum dot, carbon nanotube, and …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 1, 2025 · pp. 19–30 Read article