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62 articles for “UV-Spectroscopy”
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Growth, Structural and Optical characteristics of Citric Acid Doped Copper Sulphate Single Crystals Polymer Composites Photonic Applications
Abstract: The organic material Citric Acid doped Copper Sulphate single crystals (CACS) was synthesized and single crystal was grown by slow evaporation method. The incorporation of citric acid, an organic compound, introduces polymer-like functional behavior into the crystal matrix, forming an organic-inorganic hybrid composite with enhanced optical and structural characteristics. Single crystal XRD confirmed the triclinic system with unit cell parameters: a = 5.96 Å, b = 6.11 Å, c = …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 482–488 Read article
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Characterization and Antimicrobial Investigations of Isomeric Pr(III) Juglonates
Abstract: Hydroxy napthoquinone derivatives constitute an interesting group of ligands which is recognized as ‘Juglones’. Isomeric Lawsone-Juglone and Phthiocol-Plumbagin are the most important members of the Juglone series and are biologically active, having natural origin. They form isomeric pairs of ligands resulting into isomeric pairs of metal chelates. The isomerism is occurring due to formation of either five or six membered rings in the metal chelates. In the present work Prasodymium …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 545–552 Read article
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Nanostructured Catalysts for Sustainable CO2 Reduction: Advancing Green Chemistry and Polymer Composites
Abstract: This study provides a comprehensive analysis of advanced nanostructured catalysts designed to enhance the efficiency of artificial photosynthesis for sustainable fuel production. We systematically evaluated a range of nanomaterials—including metal oxides, plasmonic nanoparticles, and carbon-based composites—to determine their effectiveness in converting solar energy into storable chemical fuels. The catalysts were synthesized via sol-gel, hydrothermal, and green methods, and their properties were thoroughly characterized using XRD, SEM, TEM, UV-Vis spectroscopy, and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 175–181 Read article
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Synthesis, characterization, and antibacterial activity of silver nanoparticles with expired minocycline as reducing agent: proposed as a recycling technique
Abstract: In this research, expired minocycline, a broad-spectrum tetracycline antibiotic, was employed as both a reducing and stabilizing agent for the eco-friendly synthesis of silver nanoparticles. This sustainable method avoids the use of toxic chemical reducing agents, providing a greener alternative for nanoparticle production. The synthesized silver nanoparticles were analyzed using several characterization techniques, such as UV-Vis’s spectroscopy, scanning electron microscopy, transmission electron microscopy, and Edex analysis, to assess their structural, …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 16, Issue 1, 2026 · pp. 30–43 Read article
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Synthesis and Applications of Copper- Doped Pyridine Precipitate
Abstract: A metal organic nonlinear optical single crystal, copper doped pyridine material, was created at room temperature using the slow evaporation solution growth technique (SEST). The developed material's crystalline nature was revealed by a powder X-ray diffraction (XRD) analysis. Single crystal XRD study shows that the material synthesized possesses monoclinic system of cell parameters, a = 11.44 Å, b = 7.92 Å, C = 11.74 Å and alpha and gamma is …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 1, 2025 · pp. 51–60 Read article
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Exploring Molecular Spectroscopy: Insights into Chemical Structures and Interaction
Abstract: A key tool for understanding the dynamics, structure, and interactions of molecules is molecular spectroscopy. This abstract outlines the key principles and techniques employed in modern molecular spectroscopy, highlighting its significance in various scientific disciplines. The focus is on the principles of absorption, emission, and scattering of electromagnetic radiation by molecules, leading to valuable insights into molecular properties. The abstract begins by discussing the basic principles of molecular spectroscopy, emphasizing …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 1, 2023 · pp. 11–16 Read article
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Effect of Different Quantities of MnO Nanoparticles on Growth of Ladies Finger Abelmoschus Esculentus
Abstract: The present study deal with the effect of different quantities of Manganese Oxide Nanoparticles on the growth of Ladies finger Abelmoschus esculentus. Manganese oxide nanoparticles were synthesized by the co-precipitation method and characterized by using UV-V is spectroscopy, SEM, EDAX, FTIR, and XRD. Pot culture studies on different quantities of manganese oxide nanoparticles such as 100, 200,300, 400 and 500 mg for treatments T₀ (control) T₁, T₂, T₃, T₄, T₅ …
Published in Research and Reviews: A Journal of Toxicology · Vol. 12, Issue 2, 2022 · pp. 8–15 Read article
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Study of the CuS/CdSe Quantum Dots on the Optical Properties of Green Synthesis
Abstract: Chalcogenides based nanomaterials, such as CdSe are emerging as an important material offering transformative potential across multiple domains, such as photocatalysis, optoelectronics, sensing, and photo luminesce. In this study we synthesised CuS/CdSe quantum dots by varying CuS concentration through plant mediated green method. The copper sulfide synthesized at varying concentrations of the Se source, exhibited bonding configuration that are comparable to those of the Cd source. The goal of this …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 176–184 Read article
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Comparative Study of Structural and Optical Properties of Bismuth Ferrite Nanoparticles for Photovoltaic Applications Synthesized via Different Sol-Gel Methods
Abstract: Pure multiferroic bismuth ferrite (BiFeO3) nanoparticles were successfully synthesized using an energy-efficient, low-temperature sol-gel method, comparing two distinct approaches: auto-combustion and non-auto-combustion. To ensure phase stability, the precursor solution's pH was strictly maintained between 1 and 2 using ammonia solution (NH4OH), while ethylene glycol (C2H6O2) was employed as a chelating agent for the Fe3+ and Bi3+ cations. All samples underwent a final annealing process at 500 °C to promote crystallization. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 1, 2026 · pp. 83–94 Read article
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Growth of Cu2O on TCO by SILAR method acts as an alternative buffer electrode layer towards the development of organic solar cell
Abstract: In many types of optoelectronic devices, layer of PEDOT: PSS is sandwiched between the indium-tin oxide (ITO) electrode and the active layer. Buffer PEDOT: PSS provides a well- defined work function which is higher than that of ITO (4.2eV), it smooths the ITO surface and so avoids shorts, and it also protects the active layer from ingress of indium or oxygen, leading to longer device lifetimes. The role of PEDOT: …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 2, 2026 · pp. 18–25 Read article
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Polymer-Mediated Electron Transfer in Eco-Friendly P3HT–rGO Nanocomposites for Optoelectronic Applications
Abstract: Conducting polymer–graphene hybrid nanocomposites have emerged as promising materials for next-generation optoelectronic applications owing to their solution processability, tunable interfacial properties, and mechanical flexibility. Recent studies have highlighted the importance of graphene–polymer hybrid systems in enhancing charge transport pathways, exciton dissociation efficiency, and interfacial stability in organic optoelectronic devices. Despite these advantages, a key challenge remains the efficient production of individual graphene sheets through the reduction of graphene oxide using …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 413–423 Read article
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Improved Photocatalytic Activity for Removal of Methylene Blue Dye from Aqueous Solutions with La2O3-Modified Ceria Heterostructured Binary Oxide Nanocomposite Particles
Abstract: The current study aimed to examine the photocatalytic efficacy of a bimetallic CeO2-La2O3 hetero-NC in comparison to monometallic CeO2 and La2O3 nanoparticles (NPs), utilizing Methylene Blue (MB)as pollutant sample under natural solar and UV irradiation. The coprecipitation method was utilized to produce a bimetallic CeO2-La2O3 hetero-NC. Following this, the nanostructures underwent characterization through various techniques including FT-IR, FE-SEM, XRD, UV Vis- DRS, Raman, and Photoluminescence spectroscopy. The catalytic activity of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 514–532 Read article
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Sustainable Innovations in Green Nanotechnology for Nanoparticle Synthesis
Abstract: Green nanotechnology is an emerging field that focuses on the environmentally friendly production of nanoparticles through biological and sustainable processes. This approach has diverse applications across industries such as pharmaceuticals, energy, electronics, and bioengineering. Compared to conventional methods, biologically driven nanoparticle synthesis, particularly utilizing green chemistry principles, offers a safer, eco- friendly, non-toxic, and cost-effective alternative. Metal nanoparticles are commonly synthesized through top-down and bottom-up strategies using physical, chemical, and …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 1, 2025 · pp. 31–37 Read article
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Structural and Optical Properties of Nanocomposites of Polyethylene Oxide Embedded with Nano-ZNO
Abstract: Polymer nanocomposites have attracted significant attention in recent years owing to their unique properties and potential applications in a variety of fields. In this study, PEO-ZnO nanocomposites were prepared with different wt.% (5, 10 and 15) nano-ZnO particles incorporated into PEO matrix by a solution casting method. Structural and Optical properties of PEO-ZnO nanocomposites were studied. X-ray diffraction (XRD) studies suggest the incorporation of ZnO NPs into PEO matrix. The …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 586–600 Read article
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Properties of ZnO Thin Film deposited on Flexible Substrate using RF Sputtering
Abstract: Semiconductor materials demand is increased in recent years, due to new emerging technologies. There is need to find the alternate for silicon in electronics industry, as silicon is brittle in nature and has low efficiency, which makes it unsuitable for transparent and flexible device. Zinc oxide (ZnO) is emerging as popular choice of researchers due to its wide range of properties, abundancy and non-toxicity. This work explores the properties of …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 50–56 Read article
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Bio Materials and Nanotechnology: Green Tea (Waste)– Aluminium Nanoparticles (Gt-Al Nps) For Methylene Blue Adsorption
Abstract: This study examines the adsorption of Methylene Blue (MB) dye from aqueous solutions using Aluminium Nanoparticles synthesized with green tea powder as a biological reducing agent. Methylene Blue, an aromatic phenothiazine dye, is widely applied in medical diagnostics and various industrial processes, but its uncontrolled release into water bodies leads to environmental pollution due to its intense colour, stability, and potential toxicity. Therefore, identifying an efficient and eco-friendly adsorbent for …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 3, 2025 · pp. 96–107 Read article
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Development and Characterization of Antimicrobial Polymer Composites for Food Packaging Applications
Abstract: The increasing demand for sustainable and antimicrobial food packaging materials has led to extensive research in polymer-based composites. This study focuses on developing a polyethylene terephthalate-ethylene vinyl acetate (PET-EVA) composite reinforced with metal oxide nanoparticles (MONs), including Cu₂O, ZnO, and MgO₂. These nanoparticles were selected for their antimicrobial properties and ability to enhance the functional characteristics of the composite. Structural, chemical, mechanical, and barrier properties were extensively evaluated to determine …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 86–93 Read article
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Tailoring The Electrochemical Interface of Graphene–Gd₂O₃ Nanocomposites for Advanced Energy Storage
Abstract: Graphene–Gd₂O₃ nanocomposites were synthesized by incorporating varying concentrations of reduced graphene oxide (rGO) into Gd₂O₃ using a straightforward room-temperature solution method. The composites were analyzed using various distinct characterization techniques, including X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, Raman spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS). Electrochemical measurements, particularly cyclic voltammetry (CV), demonstrated that the incorporation of graphene significantly enhanced the electrochemical performance …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 369–388 Read article
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Influence of Gd Doping in Structural, Morphological and Optical Properties of Zno Nanostructures Synthesised Via Sol-Gel Processes
Abstract: In this study, nanocrystalline Zn1-xGdx (x=0.0 and 0.03) samples were synthesised via the Sol-gel combustion process. An array of analytical techniques was employed to examine the prepared samples to determine their different physical features. For both pristine and Gd-doped samples, the crystal symmetry is hexagonal with the P63mc space group which is verified via the Rietveld refinement analysis of X-ray diffraction (XRD) data. The atoms' bond length Zn-O and bond …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 219–225 Read article
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Theoretical Study of Surface Waves in Hexagonal Boron Nitride (hBN)
Abstract: Hexagonal boron nitride (hBN) is a wide bandgap semiconductor material in which Boron (B) and Nitrogen (N) atoms form hexagonal structure and has number of robust properties of technological importance. Boron nitride nanotubes (BNNTs) are very nice area of research in recent years. Its structure is similar to carbon nanotubes (CNTs) where carbon atoms are arranged in hexagon. hBN is also known as White Graphene. Various methods are employed to …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 1, 2024 Read article