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17 articles for “electronic absorption spectra.”
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Effect of Time Exposure on Human Blood by Laser Flash Photolysis
Abstract: Diffuse reflectance laser flash photolysis has been used in blood sample to measure transient triplet spectra of free radical or reactive oxygen species (OH, O2, H2O2) generated in free cell systems was investigated using laser flash photolysis and electronic absorption spectra. In all cases, triplet–triplet absorption spectra with the application of this technique to studies concentration of normal human blood sample. The concentration of normal human blood sample is reduced …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 2, 2020 · pp. 15–20 Read article
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Facile Synthesis of SnO2/g-C3N4 nanocomposite for the photocatalytic degradation of Methylene Blue dye under visible light irradiation
Abstract: This work reports the nanoscale samples of pure tin dioxide (SnO₂), graphitic carbon nitride (g-C₃N₄), and their composite (SnO₂/g-C₃N₄) were successfully synthesized using the co-precipitation technique. The synthesized materials were extensively analyzed using multiple characterization techniques such as Powder X-ray Diffraction (PXRD), High-Resolution Scanning Electron Microscopy (HR-SEM), Energy-Dispersive X-ray Spectroscopy (EDAX), Fourier Transform Infrared Spectroscopy (FTIR), UV-Visible Spectroscopy, and High-Resolution Transmission Electron Microscopy (HR-TEM). Results from PXRD and EDAX confirmed …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1835–1845 Read article
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Green Synthesis and Evaluation of Electronic and Optical Properties of CdS/CdTe Quantum Dots
Abstract: The CdS/CdTe quantum dots (QDs), with altered concentrations of CdS, were synthesized using straightforward precursors through an environmentally friendly green method. The synthesized quantum dots were characterization by UV–visible absorption spectroscopy, Photoluminescence (PL), and Fourier Transform Infrared Spectroscopy (FTIR) to understand their electronic and structural properties. The average particle size is nearly consistent with the values derived from Brus's formula. The UV–visible spectra show a blueshift compared with pure sample, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 185–194 Read article
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Multifarious Magnitude of Magnesium Oxide Nanoparticles Integrated Feed on Growth and Hematological Characteristics of Mrigal Cirrhinus mrigala
Abstract: The present study deals with the multifarious magnitude of magnesium oxide nanoparticles integrated feed on growth and hematological characteristics of Mrigal Cirrhinus mrigala. Magnesium oxide nanoparticles were made using the co-precipitation process and analyzed, identified, and characterized utilizing scanning electron microscopy, energy dispersive x-ray spectroscopy, x-ray diffraction, and Fourier transform infrared spectroscopy. Four feeds such as Feed I (Control), II, III, and IV were prepared by using multifarious magnitude (25, …
Published in Research and Reviews: A Journal of Toxicology · Vol. 13, Issue 1, 2023 · pp. 1–9 Read article
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Effect of the U.V. Irradiation on the Aqueous Solution of Dye (i.e. Cresol Purple)
Abstract: This study aimed to estimate the effect of the U.V. irradiation on the aqueous solution of cresol purple. Then study the effect of the activation energy of each electron transfere on the absorbance and λmax values. The absorbance and λmax values of the selective λmax solutions were chanced in most solutions, where the U.V radiation gave different values at different irradiation periods, most of solution gave low values of absorbance …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 1, 2021 · pp. 30–35 Read article
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Aluminium-Doped Zinc Ferrite Nanoparticles Synthesized by Combustion Method for Polymer Composite Applications
Abstract: ZnFe₂₋xAlₓO₄ (x = 0 and 0.5) nanoparticles were synthesized via a combustion method owing to its simplicity, cost efficiency, and ability to produce highly crystalline nanomaterials. Powder X-ray diffraction (XRD) analysis confirmed the formation of a single-phase cubic spinel structure without detectable secondary phases, indicating high phase purity. The average crystallite size was estimated to be in the range of 14–20 nm, confirming the nanocrystalline nature of the samples. Field-emission …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 272–282 Read article
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Preparation and characterization of High-performance ZnO/PVB Nanocomposite films for UV-shielding and Optoelectronics
Abstract: Zinc oxide nanoparticles can be incorporated into polymer matrices to create materials for various high-performance engineering applications. In this study, zinc oxide nanoparticles were reinforced at different loadings (0.5, 1.0, 0.5, 1.0, 1.5, and 2.0 wt.%) in polyvinyl butyral matrix to synthesize nanocomposite films using the solution casting method. The impact of zinc oxide nanofiller on the morphology and ultraviolet-shielding performance of polyvinyl butyral nanocomposite films was evaluated using various …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 27, Issue 3, 2025 · pp. 35–53 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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Characterization and Gamma Irradiated MA-EMA Copolymer by ESR and FTIR Techniques
Abstract: AbstractGamma irradiation effect of methacrylamide-ethyl methacrylate (MA-EMA) copolymer has been investigated by electron spin resonance (ESR) and Fourier Transform infrared (FTIR) spectroscopic techniques. The ESR spectrum observed for gamma irradiated MA-EMA copolymer has shown resolved hyperfine (hf) pattern at lower temperatures (77K) while at higher temperatures the spectrum is appeared to be broadened. Fourier Transform Infrared spectra of pure and gamma irradiated MA-EMA copolymer have been recorded for the copolymer …
Published in Journal of Polymer & Composites · Vol. 4, Issue 3, 2016 · pp. 40–44 Read article
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Atmospheric Windows to Study Remote Sensors
Abstract: AbstractAtmospheric windows (AW) are spectral margins to accustom sensing signals developed in platted sensors. Decisive wavelengths have mostly thermal infrared considerate as whelm from synergism forms of basis of matter waves or Plank’s theory perfect black body radiation. Varying merge all intervention alongside to contamination forms in clear sky as whelm forms has derivations for only blacks. Moisture column vertical least has season wise calibrating window error merged code privileges. …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 3, 2019 · pp. 1–6 Read article
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Using Machine Learning to Guess Photochemical Reaction Pathways
Abstract: Photochemical reactions are crucial to many activities in the fields of energy conversion, environmental cleanup, and synthetic chemistry. However, predicting their causes and results effectively is still very hard since they entail excited electronic states, nonadiabatic transitions, and complicated potential energy surfaces. Machine learning (ML) has been a powerful technique to go along with classic quantum chemistry methods in the last few years. It offers better prediction capability and lower …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 2, 2025 · pp. 01–12 Read article
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A Comparative Study of Zinc Oxide Nano Particles Synthesized by Hydrothermal, Sol-gel and Thermal Decomposition
Abstract: In the proposed work, Zinc oxide nano particles (ZnO NP's) are synthesized using three different methods: Hydrothermal, Sol-gel and Thermal decomposition. The samples are characterized using X- ray diffraction (XRD), UV visible spectroscopy (UV-Vis), Fourier Transform Infrared Spectroscopy (FT-IR) and scanning electron microscopy (SEM). The XRD pattern exhibit single-phase polycrystalline nature of all the samples exhibiting the most intense peak at (101). The diffraction peaks are located at 31.80, 34.46, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 7, 2023 · pp. 39–45 Read article
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Preparation and Characterization of PVA-MgO Nanocomposite Films
Abstract: In this work, Magnesium Oxide Nanoparticles (MgO NPs) doped with 3 g of polyvinyl alcohol (PVA) at different weight percentages (0, 2, 4, 6, and 8 wt.%) using the solvent casting method, to fabricate thin PVA-MgO nanocomposite (NC) films. These films were characterized by (i) XRD, SEM, EDX, DLS, and Zeta Potential for morphological studies, (ii) FTIR spectra and UV-Visible techniques for spectroscopic studies and (iii) DSC for thermal studies. …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 27, Issue 2, 2025 · pp. 40–62 Read article
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Effect of Thickness in Electroluminescence Spectra on 2-5 Dialoxy-PPV (ROPPV) Films
Abstract: The optical properties and electroluminescence (EL) of ROPPV (2-5-dialoxy-PPV) films of various thicknesses have been studied. The thickness of ROPPV layer on glass slide was measured by Fizeau fringes interferometric technique which varied from 200 to 400 nm. The absorption spectra show that the absorption occurred only in ultraviolet region. Thick films show only one peak at 310 nm, whereas by decreasing the thickness, the peaks are obtained at lower …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 1, 2015 · pp. 4–9 Read article
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Electron beam irradiation studies of polyethylene maleic anhydride on their Chemical and Thermal properties.
Abstract: The electron beam (e-beam) irradiation effects on polyethylene maleic anhydride (MANPE) are investigated by spectroscopic and thermal methods. The MANPE irradiated with electron beam to a radiation dose of 30, 60 and 90 K Gy and the resultant changes in their chemical structure and thermal properties have been investigated by Electron spin resonance (ESR), Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), X-ray diffraction (XRD) and scanning electron microscopy …
Published in Journal of Polymer & Composites · Vol. 6, Issue 2, 2018 · pp. 17–30 Read article
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Synthesis and Study of Different Thioamides as Corrosion Inhibitors
Abstract: Many organic compounds having electron rich atoms in their structures, such as nitrogen, and sulphur are widely use in lubricating additives, in the oil industry to minimize corrosion. The presence of electron rich atoms in the molecules increases its ability to form coordinate covalent bonds with the metal atoms, involved in the corrosion environment. Compounds based on fatty amines, aromatic amines, imidazoline, diamidazoline, and fatty amides are now, uses as …
Published in Journal of Catalyst & Catalysis · Vol. 3, Issue 3, 2016 · pp. 18–25 Read article
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Synthesis and Functional Group Analysis of Solution Processed Zinc Oxide Thin Film Grown on Polyethylene Terephthalate
Abstract: Flexible electronics field is growing every day. Existing technology is facing issues like brittleness, toxicity, inadequacy. Fabrication cost increases in processing of such materials. In this work, zinc oxide nanoparticles synthesized by solution processing technique were used to grow 120nm thick thin film (TF) on Polyethylene terephthalate (PET). This method reduces the processing cost and Zinc Oxide (ZnO) is cheaper and abundant in comparison to other semiconductors option. Material was …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 56–66 Read article