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174 articles for “Spectroscopy techniques”
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Optimization of i-Layer of a-Si: H p–i–n Solar Cell in an Indigenously Developed PECVD System
Abstract: Single-junction hydrogenated amorphous silicon solar cells have been successfully fabricated using indigenously developed radio frequency-plasma enhanced chemical vapor deposition (RF-PECVD) technique. The software-controlled PECVD system enables deposition and optimization of layers and solar cell device using a cluster 5 process chambers. In the present work, several experiments have been carried out by varying the critical process parameters in order to optimize the i-layers for obtaining efficient hydrogenated amorphous silicon (a-Si:H) …
Published in Journal of Instrumentation Technology & Innovations · Vol. 5, Issue 3, 2015 · pp. 32–36 Read article
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Sol-Gel Auto-Combustion Synthesis and LPG Sensing Performance of Mg(x) Fe(x-1)2O4 (X=0.1 to 0.9) Nanoparticles
Abstract: Spinal ferrites are having important electronic materials because of their electrical and magnetic properties. MgFe2O4 gas sensors have important parameters such as phase formation, crystallite size, particle size, grain size, surface area etc. The present work provides comprehensive study of the mesoporous Mg(x)Fe(x-1)2O4 nanoparticles which were synthesized via sol-gel auto-combustion method. The main objective of the current research is to study the influence by increasing the concentration of ferrite with …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 1, 2017 · pp. 48–58 Read article
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A Study on Recent Trends in IC-Mems Integration
Abstract: MEMS devices are incorporated with IC technologies because of its miniature size, efficient functionality and broad range of applications. The technology involved is capable of integrating both electrical and mechanical systems. MEMS are nowadays used extensively in real time applications which outperforms other traditional designs with its innumerous advantages. This paper reviews the various implementation techniques of MEMS sensors integrated with IC’s. Electronic Vehicle Identification (EVI) is done with the …
Published in Recent Trends in Sensor Research & Technology · Vol. 8, Issue 1, 2021 · pp. 1–5 Read article
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Role of Raman Spectrometry in Understanding Structure, Function, and Position of Lipids in a Cell
Abstract: Recent researches focus on the functional aspects of lipids as they equally perform with proteins and enzymes in metabolisms and other biological processes. Lipids are fatty substances soluble only in alcohol and ethers but insoluble in water or other polar solvents. The Raman Spectrometry is a proven technique used for the proper understanding of the structure, function and position of lipids in a cell. The lipid study can be done …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 4, Issue 1, 2014 · pp. 19–30 Read article
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A Simple Optical Sensor Based System For Monitoring Plant Health Status
Abstract: AbstractPlant nutrition is the basic need for plant growth and productivity. Nutrient monitoring of plants is the key factor for farmers and agriculturalists. Nitrogen is a necessary element for plant growth and development and it is a major component of chlorophyll in plant leaves. Chlorophyll content of a plant is one of the most important natural indicators of plants nutritional stress and the overall health status of plants. Several sensors …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 6, Issue 1, 2019 · pp. 89–98 Read article
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Development and Validation of Spectrophotometric and Colorimetric Method for the Determination of Ritonavir in its Bulk and Pharmaceutical Dosage Form
Abstract: A straightforward, exact, precise and sensitive UV spectrophotometric assay technique and a basic and sensitive colorimetric assay method have been created and validated for the quantitative estimation of Ritonavir from bulk drug and tablet formulations. UV spectrophotometric strategy which includes the assurance of Ritonavir in bulk medication and pharmaceutical dosage forms and has an assimilation greatest at 240 nm in methanol. The Beer's law was obeyed over the concentration range …
Published in Trends in Drug Delivery · Vol. 4, Issue 3, 2017 · pp. 32–41 Read article
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Microstructure Analysis and Material Properties of Weld Slag as Fine Aggregate in Concrete
Abstract: To reduce the amount of river sand used, researchers and engineers have developed their own solutions. The well-known technique of submerged-arc welding can create high-quality welds in a variety of thicknesses for ferrous, stainless, and even some non-ferrous metals. The procedure involves an electric current flowing constantly between a welding wire and the work piece, creating an arc. In submerged arc welding, the shielding flux is transformed into slag during …
Published in Recent Trends in Civil Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 13–18 Read article
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Thermo-Structural Machine Learning Framework for Malicious Sample Detection and Validation in Polymer Composite Materials
Abstract: The increased use of polymer composites in aerospace, automotive, biomedical and industrial applications has increased the urgency of developing dependable methods to detect malicious samples with counterfeited resins, unauthorized additives, recycled components, hidden flaws, or purposefully degraded physical properties. Most current machine learning techniques have focused either on isolated spectral analysis or detecting flaws in materials; as such, they are unable to perform joint verification of both chemical authenticity and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Investigating the Effect of Annealing Temperatures on SnO2 Nano Structural Thin Films and their Properties
Abstract: As deposited and two different annealing temperatures (500°C and 600°C) of Tin dioxide (SnO2) thin films are prepared on glass substrates by Chemical Bath Deposition (CBD) technique and subsequently their structural, morphological, optical and electrical properties are investigated and analyzed as a function of annealing temperature. It’s found that SnO2 films exhibit different nanostructures at different annealing temperatures. XRD analysis confirms that both deposited and annealed films are cubic structure …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 12, Issue 1, 2022 · pp. 28–39 Read article
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A tribute to plasmonic piezoelectric nanomechanical resonators
Abstract: Infrared technology has been used for civilian applications in a wide variety of applications, inclusive of medical diagnostics, biological and chemical threat detection, electrical power system inspection, infrared spectroscopy, and thermal imaging. Applicability of photon detection and thermal sense has been based on infrared detectors, where photon detection links interaction between photons and electrons in a semiconductor material to produce an electrical output signal upon exposure to infrared radiation. Advantages …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 23, Issue 2, 2021 · pp. 40–44 Read article
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Isolation and Characterization of Glucuronide Compound from Luffa Tuberosa (Roxb.) for Potential Applications in Polymer Chemistry
Abstract: This study explores the isolation process of glucuronide compounds from Luffa tuberosa (Roxb.) using an efficient and cost-effective method. The extracted compound, Gypsogenin-3β-O-β-D-Methyl glucuronide, is characterized using spectroscopic techniques such as IR, NMR, and Mass Spectrometry. The polymeric nature of glucuronide-based compounds and their potential applications in polymer and composite materials are discussed. The findings highlight the suitability of glucuronide derivatives in biomedical, pharmaceutical, and polymeric drug delivery systems. Additionally, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 566–572 Read article
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Modelling and Electrical Characterization of Single Electron Transistor
Abstract: A nano-electronic device with low power consumption, high performance, and quantum effects is the single electron transistor (SET). It's used in charge sensor applications, infrared radiation detectors, and spectroscopy. However, it faces limitations in lithography, co-tunneling effect, low gain, high output impedance, and background charges. Therefore, prior simulation is needed to optimize SET's work function and understanding physics concepts. A master equation approach is used to propose a new model …
Published in Journal of Semiconductor Devices and Circuits · Vol. 10, Issue 3, 2024 · pp. 19–25 Read article
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Infrared Spectroscopic Studies on Multiwalled Carbon Nanotubes Reinforced Acrylonitrile Butadiene Styrene Composites
Abstract: AbstractFourier Transformed Infrared (FT-IR) Spectroscopic analysis is an effective technique to captures the response of the molecular motions such as stretching, bending and torsional vibrations of materials. In this study, FTIR analysis has been done on two different grades of multiwalled carbon nanotubes (MWCNT) C100 and NC7000. NC7000 grade MWCNT has a higher degree of crystalinity and shows 60% higher absorbance in the wavelength range of 600-3600 cm-1. These two …
Published in Journal of Polymer & Composites · Vol. 2, Issue 3, 2023 · pp. 15–22 Read article
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Chemical and Electrocoagulation Methods for Polymer Synthesis and Composite Manufacturing: Recent Technological Advances and Extensive Application Analyses
Abstract: Recent years have seen big steps forward in the fields of polymer production and composite making, thanks to the development of new chemical and electrocoagulation techniques. This abstract gives a short summary of these new developments and goes into great detail about how they can be used. Chemical production of polymers has been an important part of materials science for a long time because it lets scientists precisely control the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 244–258 Read article