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Relevant bibliographies by topics / Phosphorescent particle

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Journal articles
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Conference papers

Academic literature on the topic 'Phosphorescent particle'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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Journal articles on the topic "Phosphorescent particle"

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Wattanasirikoson, R., P. Boonyaras, and K. Dangudom. "Exploring phosphorescent materials: luminescence properties and traffic safety applications." Journal of Physics: Conference Series 2934, no. 1 (2025): 012026. https://doi.org/10.1088/1742-6596/2934/1/012026.

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Abstract This research investigates the luminescence of phosphorescent materials by measuring the particle size of phosphorescent powder from images obtained using scanning electron microscopy and chemically analyzing the composition using Energy Dispersive X-Ray Spectroscopy. It was found that the chemical composition correlates with the phosphorescent material group SrAl2O4. The emitted light is green when examining the luminescence spectrum of the phosphorescent powder, revealing a peak wavelength of 523 nanometers. This was then applied to the design of a pyramid-shaped phosphorescent traf

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Kemp, L., Elizabeth C. Jamieson, and S. J. Gaskin. "Phosphorescent tracer particles for Lagrangian flow measurement and particle tracking velocimetry." Experiments in Fluids 48, no. 5 (2010): 927–31. http://dx.doi.org/10.1007/s00348-009-0818-z.

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Mahltig, Boris, Clara Heil, Sarah Kaub, and Jaydip Nareshbhai Kapadiya. "The use of phosphorescence micromaterials for commercial textile products." Communications in Development and Assembling of Textile Products 5, no. 1 (2024): 1–10. http://dx.doi.org/10.25367/cdatp.2024.5.p1-10.

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    Fluorescent textile products are manifold used. Compared to fluorescent textiles, phosphorescent textile products exhibit an afterglow effect even after the illumination is stopped. Phosphorescent textiles are less present as commercial products on the market. With this background the aim of the actual presentation is to investigate the properties of commercially available phosphorescent textile materials. Investigations are performed by illumination under different light arrangement. Microscopy is performed by scanning electronic microscopy (SEM) and advanced light

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Rojas-Hernandez, R. E., F. Rubio-Marcos, E. Enríquez, M. A. De La Rubia, and J. F. Fernandez. "A low-energy milling approach to reduce particle size maintains the luminescence of strontium aluminates." RSC Advances 5, no. 53 (2015): 42559–67. http://dx.doi.org/10.1039/c5ra04878h.

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Liu, Zhenping, Xianfeng Wang, Jingzhou Hou, Danqun Huo, and Changjun Hou. "A Simple and Rapid Phosphorescence Probe Based on Mn-Doped ZnS Quantum Dots for Chloramphenicol Detection." Nano 14, no. 11 (2019): 1950144. http://dx.doi.org/10.1142/s1793292019501443.

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An innovative phosphorescence probe based on Mn-doped ZnS quantum dots (Mn:ZnS QDs) was developed for selective detection of chloramphenicol (CAP) via inner-filter effect (IFE). Mn:ZnS QDs were synthesized by water method and modified with L-Cysteine for better stability, and the average diameter of the nanometer particle was 3.8[Formula: see text]nm. With the excitation wavelength at 289[Formula: see text]nm, the strong phosphorescence of Mn:ZnS QDs can be emitted at 583[Formula: see text]nm. The excitation spectrum of Mn:ZnS QDs was substantially overlapped with the absorption spectrum of th

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Shen, Yong, Yunfei Xia, Ping Li, et al. "Microwave-Assisted Synthesis of Room Temperature Long Persistent Luminescent Materials and Their Imaging Applications." Crystals 13, no. 4 (2023): 705. http://dx.doi.org/10.3390/cryst13040705.

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In this study, we utilized a simple and efficient microwave heating method with polyethyleneimine (PEI) and phosphate as raw materials to synthesize room temperature persistent luminescence (RTPL) materials that emit phosphorescent light for up to 10 s. Our investigation revealed that the optimal synthesis conditions were a microwave radiation power of 560 W and a heating time of 5 min. The synthesized RTPL materials had an average particle size of 2 nm and exhibited excellent RTPL performance, with optimal excitation and emission wavelengths of 360 nm and 544 nm, respectively. Additionally, t

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Karacaoglu, Erkul, Faruk Ozel, Sabriye Acikgoz, et al. "Investigation of Atomic Layer Deposition Post-Coating Properties of Phosphorescent SrAl₂O₄: Eu²⁺, Dy³⁺ Fibers Produced By Electrospinning." ECS Meeting Abstracts MA2022-02, no. 51 (2022): 1974. http://dx.doi.org/10.1149/ma2022-02511974mtgabs.

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In this research, phosphorescent SrAl2O4:Eu2+, Dy3+ fibers were produced by electrospinning and coated with atomic layer deposition (ALD) technique to enhance the photoluminescence (PL) properties, and water & thermal resistance. Particle form of Eu2+-activated strontium aluminate phosphors possess many remarkable features that have been reported over and over, for example, nontoxic, stable, efficient. PL enhancement and stability in water of these particles were provided by nano encapsulation process by ALD that has just been published in our previous paper. In this study, for the first t

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Kaya, Selvin Yesilay, Bekir Karasu, Guray Kaya, and Erkul Karacaoğlu. "Influences of Eu²⁺ and Dy³⁺ Contents on the Properties of Long Afterglow Strontium Aluminate Phosphors." Advances in Science and Technology 62 (October 2010): 88–94. http://dx.doi.org/10.4028/www.scientific.net/ast.62.88.

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The detailed preparation process of Eu2+ and Dy3+ ion co-doped phosphor powders in Sr4Al14O25:Eu2+/Dy3+ phosphor system with bluish-green long afterglow produced by solid state reaction method under reducing atmosphere is here reported. X-ray diffraction (XRD), scanning electron microscopy (SEM), and particle size analysis were made to assign the effects of Eu and Dy ions on the luminescent properties of the synthesized phosphors, which were determined by measuring the photoluminescence spectra. The maximum emission intensity of these phosphors under excitation was investigated. As a result, t

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Laskowska, Magdalena, Anna Nowak, Mateusz Dulski, Peter Weigl, Thomas Blochowicz, and Łukasz Laskowski. "Spherical Silica Functionalized by 2-Naphthalene Methanol Luminophores as a Phosphorescence Sensor." International Journal of Molecular Sciences 22, no. 24 (2021): 13289. http://dx.doi.org/10.3390/ijms222413289.

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Photoluminescence is known to have huge potential for applications in studying biological systems. In that respect, phosphorescent dye molecules open the possibility to study the local slow solvent dynamics close to hard and soft surfaces and interfaces using the triplet state (TSD: triplet state solvation dynamics). However, for that purpose, probe molecules with efficient phosphorescence features are required with a fixed location on the surface. In this article, a potential TSD probe is presented in the form of a nanocomposite: we synthesize spherical silica particles with 2-naphthalene met

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Yoo, Hwan-Jin, Go-Eun Kim, Chan-Jun Park, Su-Been Lee, Seo-Young Kim, and Dae-Gyu Moon. "Highly Efficient Inverted Organic Light-Emitting Devices with Li-Doped MgZnO Nanoparticle Electron Injection Layer." Micromachines 16, no. 6 (2025): 617. https://doi.org/10.3390/mi16060617.

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Inverted organic light-emitting devices (OLEDs) have been attracting considerable attention due to their advantages such as high stability, low image sticking, and low operating stress in display applications. To address the charge imbalance that has been known as a critical issue of the inverted OLEDs, Li-doped MgZnO nanoparticles were synthesized as an electron-injection layer of the inverted OLEDs. Hexagonal wurtzite-structured Li-doped MgZnO nanoparticles were synthesized at room temperature via a solution precipitation method using LiCl, magnesium acetate tetrahydrate, zinc acetate dihydr

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Dissertations / Theses on the topic "Phosphorescent particle"

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Guerrier, Mark Paul. "The development and evaluation of phosphorescent particle tracking." Thesis, University College London (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324887.

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McCay, JoAnn Margaret 1962. "Fluid velocity measurement by processing images of neutrally-buoyant, phosphorescent tracer particles." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276607.

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A technique for measuring fluid velocities by means of neutrally-buoyant, phophorescent particles was investigated in a small-scale water jet facility. A nitrogen laser briefly illuminated the flow, exciting only those particles resident within the pulsed beam. The particles luminesce for a short while following excitation, during which time they also move with the flow. This creates a visible particle streak, the intensity of which decays along the direction of motion. A strobe illuminates the particles again a known time following the laser pulse. The magnitude and direction of a particle's

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Leopold, Diatezo. "Multifunctional materials for intelligent textile : Toward automotive applications." Electronic Thesis or Diss., Lyon, INSA, 2023. http://www.theses.fr/2023ISAL0114.

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Ce projet de recherche de doctorant concerne l’élaboration et l’utilisation de matériaux multifonctionnels imprimable, en mettant l’accent sur les compromis entre propriétés matériaux et spécification applicative, avec un focus autour des fonctions de chauffage par effet joule et d’électroluminescence. L’originalité des travaux repose sur une approche couplée entre matériaux multifonctionnels et intégration textile. Le premier point de l’étude concerne la sélection des matériaux multifonctionnels jugés comme potentiellement intéressants pour la création de textiles intelligents adaptés aux sec

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Sinn, Stephan. "Pt(II) complexes as scaffolds in supramolecular assemblies." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAF015/document.

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Cette thèse se concentre sur la synthèse et l’analyse photophysique de complexes de Pt(II) luminescents and leur assemblage après agrégation. Multiples motifs supramoléculaires ont été utilisé pour acquérir un contrôle sur l’assemblage de ces complexes plan-carrés.Des ossatures de type couronne-éther furent attachés à des complexes métalliques phosphorescents pour donner un bouton supramoléculaire qui peut être actionné par des cations potassium. De plus, l’altération de l’arrangement de l’empilage des Pt(II) après coordination d’un ligand fut exploité pour la réalisation d’un senseur chimique

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Guiberti, Thibault. "Analyse de la topologie des flammes prémélangées swirlées confinées." Thesis, Châtenay-Malabry, Ecole centrale de Paris, 2015. http://www.theses.fr/2015ECAP0014/document.

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Ce travail porte sur la stabilisation de flammes prémélangées et swirlées de mélanges combustibles méthane/hydrogène/air avec différents taux de dilution d’azote et de dioxyde de carbone. Une tige centrale permet de stabiliser des flammes pour de faibles nombres de swirl. Le sommet de la flamme interagît éventuellement avec les parois de la chambre de combustion. L’objectif ces travaux est d’améliorer la connaissance des mécanismes qui gouvernent la stabilisation et la topologie de ces flammes. Ces travaux démontrent que le nombre de swirl, la composition du mélange combustible, la géométrie d

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Dehghani, Kiadehi Atena. "Development of a new technique for determining the RTD of a dispersed solid phase and its application in a deep fluidized bed." Thesis, Compiègne, 2019. http://www.theses.fr/2019COMP2491.

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L'objectif de cette thèse est le développement d’une nouvelle technique expérimentale de détermination de la distribution des temps de séjour (DTS) des particules solides dans les enceintes de manutention et de transformation de solides particulaires ainsi que le développement d’un modèle. Dans un premier temps, une nouvelle méthode optique a été développée pour mesurer la DTS des particules. Les expériences sont réalisées avec le carbure de silicium (SiC) et le pigment phosphorescent (Lumilux® Green SN-F50 WS) a été utilisé en tant que traceur. Une étude expérimentale préliminaire a été réali

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Kueh, Kimberley C. Y. "Development and Application of Methods to Measure Temperatures of Flowing Particles in Suspension." Thesis, 2019. http://hdl.handle.net/2440/123626.

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This thesis reports on the development and application of a new method for the measurement of particles transported within a moving fluid and subjected to high fluxes of radiant heating. The comprehensive understanding of heat transfer in particle-laden flows is important as it is a key factor in enabling optimisation of various industrial and scientific applications such as combustion, mineral processing plants, and pharmaceutical manufacturing, as well as aid in the development of new technologies based on the two-phase flow. However, one of the major factors that limits the furtherance of u

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Estrada, Arnold Delfino. "High-resolution measurement of dissolved oxygen concentration in vivo using two-photon microscopy." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-05-2806.

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Because oxygen is vital to the metabolic processes of all eukaryotic cells, a detailed understanding of its transport and consumption is of great interest to researchers. Existing methods of quantifying oxygen delivery and consumption are non-ideal for in vivo measurements. They either lack the three-dimensional spatial resolution needed, are invasive and disturb the local physiology, or they rely on hemoglobin spectroscopy, which is not a direct measure of the oxygen available to cells. Consequently, many fundamental physiology research questions remain unanswered. This dissertation prese

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Conference papers on the topic "Phosphorescent particle"

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Greig, A. R. "Imaging of twin gas flows within internal combustion engines using phosphorescent particle tracking." In 7th International Conference on Image Processing and its Applications. IEE, 1999. http://dx.doi.org/10.1049/cp:19990296.

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Alfadhel, Mohammed, Thomas Troxler, Srinivasa Rao Allu, et al. "Imaging partial pressure of oxygen using three-photon microscopy at 1670 nm." In Optics and the Brain. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/brain.2024.bm1c.2.

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Three-photon microscopy shows potential to probe much deeper brain structures than previously possible with two-photon microscopy. Here we demonstrate the first intravascular measurements of pO2 in subcortical vasculature in awake mice using three-photon phosphorescence lifetime microscopy (3PLM) and a phosphorescent probe Oxyphor 2P.

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Wirtz, K., M. Koochesfahani, J. J. McGrath, and A. Benard. "Molecular Tagging Velocimetry Applied to Buoyancy-Driven Convective Phenomena During Solidification." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0695.

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Abstract Molecular Tagging Velocimetry (MTV) has been applied to quantify velocity fields associated with convective phenomena which occur during solidification in aqueous ammonium chloride solution (NH4Cl-H2O), a popular transparent low-temperature analog of metal alloys. A phosphorescent line pattern was “written” into the melt to quantify one component of the velocity field within a plume and in the fluid surrounding the plume. These results represent the first quantitative, continuous field measurements of velocity for such studies. The data compare well with the magnitude of the maximum p

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Guerrier, M. P., P. A. Williams, A. R. Greig, M. Fry, A. J. Allnutt, and J. N. Stewart. "The Application of Phosphorescent Particle Tracking (PPT) to the Visualisation of Gas Flows in the Cylinder of a 1.8 Litre 4-Valve Engine." In International Congress & Exposition. SAE International, 1999. http://dx.doi.org/10.4271/1999-01-1109.

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Ochi, Daisuke, Satoshi Someya, and Koji Okamoto. "The Velocity and Temperature Measurement of a Water Flow in the Wire-Wrapped 7-Rods Bundle System in FBR." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75593.

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Phosphorescence has been applied to measure the temperature. The intensity and the lifetime of phosphor depend on the temperature due to the quenching effect of the phosphor. In the present study, the temperature sensitive particles (TSParticles) with metal complex, phosphor molecules, were synthesized. TSParticles can be also particles for the particle image velocimetry. The particles were illuminated by a pulse laser at 20Hz. A high speed camera was applied to record 30 particle images at intervals of 25∼50 micro seconds (20∼40kHz) for each excitation laser pulse. From each series of images

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Hu, Hui, and Manoochehr Koochesfahani. "Molecular Tagging Techniques for Micro-Flow and Micro-Scale Heat Transfer Studies." In ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78059.

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We report recent progresses made in development of novel molecule-based flow diagnostic techniques, named as Molecular Tagging techniques, to achieve simultaneous measurements of multiple important flow variables (such as flow velocity and temperature) for micro-flows and micro-scale heat transfer studies. Instead of using tiny particles, specially-designed phosphorescent molecules, which can be turned into long-lasting glowing molecules upon excitation by photons of appropriate wavelength, are used as tracers for both velocity and temperature measurements. A pulsed laser is used to “tag” the

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Kueh, Kimberley C. Y., Timothy C. W. Lau, Graham J. Nathan, and Zeyad T. Alwahabi. "Particle Temperature Measurements in a Flow Using Laser-Induced Phosphorescence." In The 3rd World Congress on Mechanical, Chemical, and Material Engineering. Avestia Publishing, 2017. http://dx.doi.org/10.11159/htff17.137.

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Gaskin, S., L. Kemp, and J. Nicell. "Lagrangian Tracking of Specified Flow Parcels in an Open Channel Embayment Using Phosphorescent Particles." In Hydraulic Measurements and Experimental Methods Specialty Conference (HMEM) 2002. American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40655(2002)19.

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Tan, Zu Puayen, Eugene Lubarsky, Oleksandr Bibik, Dmitriy Shcherbik, and Ben T. Zinn. "Application of Planar Laser-Induced Phosphorescence to Investigate Jet-A Injection Into a Cross-Flow of Hot Air." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25661.

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This paper describes the development of the Planar Laser-Induced Phosphorescence (PLIP) technique for mapping the fuel temperature and concentration distributions in a jet-in-cross-flow (JICF) spray study. The spray was produced by injecting cold liquid Jet-A into hot cross-flowing air. The application of PLIP required the seeding of liquid fuel with micron-size thermographic phosphor particles before injection. The resulting spray produced phosphorescence and droplets Mie-scattering signals when illuminated by a 355nm planar UV laser sheet of 0.054J/pulse energy. The technique was investigate

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Müller, Matthias, Juan Pedro Cascales Sandoval, Haley L. Marks, Michael Wang-Evers, Dieter Manstein, and Conor L. Evans. "A phosphorescent microneedle array for measurement of oxygen partial pressure in tissue (Conference Presentation)." In Biophotonics in Exercise Science, Sports Medicine, Health Monitoring Technologies, and Wearables IV, edited by Babak Shadgan and Amir H. Gandjbakhche. SPIE, 2023. http://dx.doi.org/10.1117/12.2649485.

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