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64 articles for “nanocrystals”
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SYNTHESIS AND CHARACTERIZATION OF Mn2+ DOPED LiPbX3(X = Cl, Br, I)
Abstract: In this paper the structural, electronic and optical properties of Mn doped Pb based cubic perovskites LiPbX3(X= Cl, Br and I) were studied by wet chemical method (sol gel method). For Mn doped LiPbX3(X= Cl, Br and I) NCs, MnCl2 and PbBr2 were added in molar feed ratio 1.35 mole% and nan crystal were examine with the help of TEM and their structure were confirmed by X-ray diffraction (XRD). Additionally, …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 48–54 Read article
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Investigation of Electronic Transport in Li2O and ZnO Nanoparticles Containing Polypyrrole Systems
Abstract: Polypyrrole systems having nanocrystalline ZnO and Li2O with different compositions (PPy50 + Li2Ox + ZnO(50-x), where x = 0, 2, 4, 6, 8, and 10) have been produced by ball milling. compositions of the type The temperature-dependent DC conductivity of each sample was determined in the temperature range of 313 K to 363 K. The conductivity studies show that Polaron hopping was the conducting mechanism in the material composites. The …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 88–95 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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A Review on Loading Methodologies of Active Aromatic Substance into Biopolymers
Abstract: Biopolymer-based films are increasingly being studied as sustainable alternatives to conventional packaging materials due to their biodegradability, renewability, and potential for functionalization. There are several natural polymers in the category of biopolymers such as soy protein, zein, cellulose, chitosan, and several other biodegradable synthetic polymers such as polylactic acid and polycaprolactone. However, these often show limitations in barrier properties, mechanical strength, and resistance to microbial contamination. To overcome these drawbacks, …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 16, Issue 1, 2026 · pp. 9–13 Read article
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An Overview on Quantum dot technology in Temperature sensor design
Abstract: Quantumdot (QD) thermometry harnesses the sizedependent electronic structure of semiconductor nanocrystals to translate minute temperature variations into robust optical signals. In this work we present a systematic design framework for QDbased temperature sensors that integrates (i) bandgap engineering through precise colloidal synthesis, (ii) surfacestate passivation to suppress nonradiative pathways, and (iii) a planar photonicreadout architecture compatible with lowcost, CMOSfriendly fabrication. By exploiting the linear redshift of the photoluminescence (PL) peak …
Published in Journal of Electronic Design Technology · Vol. 17, Issue 1, 2026 · pp. 10–17 Read article
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Nanostructured Cr-WS2 Solid Lubricant Coating for Space Applications
Abstract: Abstract Tungsten disulphide (WS2) is one of the widely used intrinsic low friction materials, which is commonly used in the form of coating. WS2 offers very low coefficient of friction only in non humid conditions. Presence of humidity destroys this property and restricts its utility. Modifying the structure of WS2 by adding certain metals helps in overcoming this limitation and in addition improves the mechanical properties. Further, deposition technique and …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 1, 2019 · pp. 12–18 Read article
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Study of Nano Germanium and Composited Forms
Abstract: This article has reviewed refinement synergism to same as earlier bulk semi-conduction. Colloidal 5 nm suspension from photolysis and pyrolysis for aerogel of II-VI quantum dots has subsidized extinction contour of semiconductor nano-crystal. Thereby transitional has accused between 0.6 to 5 eV to access from size-dependent optical and electrical effect instead of precipitation technique. Structure-oriented electronic and optical property has relevance to nano-semiconductor preparation method synergistic to earlier bulk. Nano-crystals …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 2, 2021 · pp. 8–15 Read article
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Synthesis and Characterization of TiO2 1% SiO2 of Crystal and its Bacterial Applications
Abstract: Three-dimensional (3D) TiO2 Anatase and Rutile structures have attracted much attention due to their optical properties. However, the large band gap of (3.2 eV) results in the fact that anatase TiO2 can act as photo catalyst and be excited by UV light, which only accounts for 3–5% of the solar energy. On considering that nobel metallatic nanomaterials can harvest visible light, in this paper, TiO2 and SiO2 nanocrystals with rod …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 1, 2020 · pp. 47–58 Read article
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A Review on Quantum Dots and Their Bioimaging Applications
Abstract: Quantum dots are nanoscale semiconductor crystals engineered to emit highly intense, photo-stable luminescence with quantum yields reaching 90%. Structurally, they are synthesized as single-substance core types, hetero-structured core-shell architectures for enhanced stability, or blended alloys. They are further categorized by synthesis and functional traits into colloidal, magnetic, and highly fluorescent varieties, alongside specialized silicon and eco-friendly carbon-based variants derived from organic waste. Due to their exceptional optoelectronic properties, they are …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 16, Issue 2, 2026 · pp. 41–60 Read article
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Recent Advances in Crystalline Materials
Abstract: Crystalline materials are solids in which atoms, ions, or molecules are arranged in a highly ordered, repeating three-dimensional lattice. This well-defined structure gives rise to unique physical, chemical, electrical, optical, thermal, and mechanical properties, making crystalline materials essential for numerous scientific and industrial applications. Advances in materials science, crystal engineering, and nanotechnology have enabled precise control over crystal size, morphology, composition, and defect structures through innovative synthesis techniques. These developments …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 2, 2026 · pp. 14–21 Read article
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Bionanocomposites in Green Synthesis of Bioplastics - The Composite Materials of Future & Their Role in Circular Bio-Economy
Abstract: The pervasive use of petroleum-derived plastics has caused severe environmental pollution, accumulating in landfills and oceans while threatening human and animal health. This ecological crisis has accelerated an urgent transition toward biodegradable polymers within the circular bioeconomy. Bionanocomposites, comprising a biodegradable polymer matrix integrated with nanoscale fillers, successfully bridge the gap between high industrial performance and environmental responsibility. By incorporating advanced nanofillers such as cellulose nanocrystals, chitin nanofibers, layered silicates …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 16, Issue 2, 2026 Read article
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Nano Approaches to Preventive and Restorative Dentistry: An Updated Review
Abstract: Prevention of plaque bio-film formation on tooth and restriction of secondary caries are two challenging objectives in present scenario. Recent trends in dental nano initiatives have highlighted the implementation of silver nanoparticles with various dental materials. Concepts of using nanoscale modified restorative materials have displayed interesting results in reducing bacterial colonization and bio-film formation on tooth surface. Advent of newer nanomaterials has led to improvement in mechanical and biological properties …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 18, Issue 1, 2016 · pp. 1–9 Read article
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Study of Microstructural and Mechanical Properties of YSZ and YSZ/Al2O3 Nanopowders Synthesized by Solution Combustion Method
Abstract: AbstractIn the present work different compositions of nanocrystalline tetragonal zirconia stabilized with yttrium oxide (YSZ) have been produced by solution combustion route. Same compositions of YSZ with alumina doping have also been prepared by similar method. The nanopowders obtained are characterized by various characterization techniques like XRD, FTIR, SEM and Wilson Hardness testing techniques. XRD and FTIR analysis confirmed the tetragonal phase of calcined YSZ sample. The particle sizes are …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 2, 2017 · pp. 8–17 Read article
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Extracellular Biosynthesis of Silver Nanoparticles using the Fungus Pleurotus ostreatus and their Antibacterial Activity
Abstract: In the present study, an eco-friendly process for the synthesis of nanomaterials using a fungus (Pleurotus ostreatus) has been attempted. The fungus supernatant of seed culture was used for the biosynthesis of silver nanoparticles. The aqueous silver ions were reduced to silver metal nanoparticles when treated with the fungal supernatant. After 72h of treatment, silver nanoparticles were obtained. These silver nanoparticles were characterized by UV–Vis spectroscopy, scanning electron microscopy (SEM), …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 2, 2012 · pp. 28–38 Read article
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Application of Bio-Nano Composite Photoelectric Material for the Therapeutic of Cardiac Disorder: An Integration of Bio-hybrid System
Abstract: For the treatment of fibrillation i.e. a cardiac disorder, wherein electrical currents are used as therapy. This disorder manifests chaotic and accelerated heart rhythm, preventing the pumping of blood to the rest the organism. In considering the remedy of this heart disease, in this study we devised therapeutics for the same through bio-nanocomposite photoelectric patches; by the application of direct immobilization of bacterial photosynthetic reaction center (RC) proteins on nanocrystalline …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 3, Issue 2, 2013 · pp. 1–7 Read article
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Photo-Assisted Room Temperature Synthesis of Brightly Fluoresce ZnSe Quantum Dots in Aqueous Medium
Abstract: The ZnSe quantum dots (QDs) have gained considerable research interest as an alternative to heavy-metal-based QDs and are non-toxic, have strong emission in UV-blue region, and with wider band gap are suitable for doping various ions to tune their optical and electronics properties. For biological applications, aqueous stability of QDs is an indispensable prerequisite. Mercapto-carboxylic acids such as mercaptopropionic acids (MPA), thioglycolic acids (TGA), etc., are commonly used for providing …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 2, 2014 · pp. 5–13 Read article
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Characterization of Mn Dopped SrAlO Nano-Phosphors Prepared via Sol-Gel Method
Abstract: Strontium aluminate with Mn dopped phosphor was synthesized by Sol-Gel method using Strontium Acetate, Aluminium Acetate as raw material and 2-methoxyethanol as complexing agent. The transparent sol was preheated at 100°C for 2 h and then the precursor was finally annealed at 950°C for 2 h. The phosphor emits luminescence with peak wavelength at 395 nm and 520 nm under near-ultraviolet excitation at 360 nm. The morphology, composition and structure …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 3, 2016 · pp. 5–10 Read article
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Influence of Dip Cycles on the Structural, Optical and Morphological Properties of CdS-SILAR Deposited Thin Films
Abstract: Cadmium sulphide (CdS) thin films were deposited on a glass substrate by a relatively simple and cost effective successive ionic layer adsorption and reaction (SILAR) method at temperature 80ºC at different deposition cycles. For a fine nanocrystalline thin film growth, the parameters include concentrations of cationic and ionic precursors, number of immersion cycles, and the immersion time. A study was made to know how dip cycles affects the structural, surface …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 3, 2016 · pp. 19–26 Read article
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Doping of Metal Precursors on Cadmium Selenide Quantum dots—A Review
Abstract: In this article, we review effects of doping on Cadmium-Selenide (CdSe) Quantum dots (QDs). Different dopants critically influence the properties and functionalities of nanocrystals (QDs). It is of strong interest to understand the structural characteristics of dopants and how they interact with the QDs. Differently, doped CdSe QDs were characterized by X-ray diffraction (XRD) technique, UV-Visible absorption spectroscopy, photoluminescence (PL) spectroscopy. The important results and measurements are discussed. CdSe quantum …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 7, Issue 3, 2017 · pp. 1–4 Read article
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Structural and Elasticity Study of ZnS and ZnO Nanotubes Synthesized by Density Functional Method
Abstract: A theoretical investigation on the structural and elastic property of single-walled ZnS nanotubes (SW-ZnS NTs) (with armchair and zigzag structures) and ZnO nanotubes were investigated. The stability and elastic modulus in SW-ZnS NTs and ZnO NTs were also investigated. A study was also carried out to determine the band gap energy of the nanocrystalline ZnS and ZnO. The calculation results show bond length, bond angle, strain energy, and Young’s modulus …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 39–48 Read article