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Relevant bibliographies by topics / Particule phosphorescente

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Academic literature on the topic 'Particule phosphorescente'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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Journal articles on the topic "Particule phosphorescente"

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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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Malpicci, Daniele, Daniele Maver, Elisabetta Rosadoni та ін. "3-Ethynyltriimidazo[1,2-a:1′,2′-c:1″,2″-e][1,3,5]triazine Dual Short- and Long-Lived Emissions with Crystallization-Enhanced Feature: Role of Hydrogen Bonds and π-π Interactions". Molecules 29, № 9 (2024): 1967. http://dx.doi.org/10.3390/molecules29091967.

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Organic room temperature phosphorescent (ORTP) materials with stimuli-responsive, multicomponent emissive behaviour are extremely desirable for various applications. The derivative of cyclic triimidazole (TT) functionalized with an ethynyl group, TT-CCH, is isolated and investigated. The compound possesses crystallization-enhanced emission (CEE) comprising dual fluorescence and dual phosphorescence of both molecular and supramolecular origin with aggregation-induced components highly sensitive to grinding. The mechanisms involved in the emissions have been disclosed thanks to combined structur

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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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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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Phuc, Dang Huu, and Vu Tri-Vien. "Surface coated red phosphors with silica nanoparticles and silica nanocomposites: performance modifications." TELKOMNIKA (Telecommunication, Computing, Electronics and Control) 20, no. 6 (2022): 1350–56. https://doi.org/10.12928/telkomnika.v20i6.24084.

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Surface coverings using nanomaterials of silica nanoparticles and poly (methyl methacrylate) – abbreviated “PMMA-silica nanomaterials” – are introduced to the Y<sub>2</sub>O<sub>2</sub>S:Eu<sup>3+</sup> phosphor through four distinct approaches. The objective is to enhance Y<sub>2</sub>O<sub>2</sub>S:Eu<sup>3+</sup> phosphorescence and prolonged sustainability. Using immerse-daubing along with sol-gel approach (Stober way), it is possible to have Y<sub>2</sub>O<sub>2</sub>S:Eu<sup>3+</sup> phosphors covered with relatively-monodisperse nano-silica particl

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Diel, Waldemar, Dustin Büttner, Klaus Krüger, and Beat Zobrist. "Digital Printing of Phosphorescent Particles." NIP & Digital Fabrication Conference 27, no. 1 (2011): 466–69. http://dx.doi.org/10.2352/issn.2169-4451.2011.27.1.art00013_2.

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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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Winnik, Mitchell A., Onder Pekcan та M. D. Croucher. "Phosphorescence of naphthalene-labelled colloidal polymer particles. The α-methyl relaxation of one microphase in a multicomponent material". Canadian Journal of Chemistry 63, № 1 (1985): 129–33. http://dx.doi.org/10.1139/v85-021.

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Nonaqueous dispersions of poly(methyl methacrylate) (PMMA) particles, sterically stabilized with polyisobutylene (PIB), were prepared with naphthalene (N) groups covalently incorporated into the PMMA chains. These materials have a complex morphology of phase-separated PMMA and PIB microdomains, with the N groups in the PMMA microphases. The phosphorescence intensity and decay times of the N groups were measured as a function of temperature over the range 77–295 K for dispersions in methylcyclohexane and for freeze-dried powder samples. An Arrhenius treatment of the radiationlcss decay rate sho

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KATOH, Akira, Tomomi HATANAKA, Eri TAKEUCHI, Masaki UCHIDA, and Hideshi NATSUME. "Calibration of infrared video-oculography by using bioadhesive phosphorescent particles for accurate measurement of vestibulo-ocular reflex in mice." Journal of Advanced Science 27, no. 3+4 (2015): 11–16. http://dx.doi.org/10.2978/jsas.27.11.

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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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Dissertations / Theses on the topic "Particule phosphorescente"

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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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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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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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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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Book chapters on the topic "Particule phosphorescente"

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Forrest, Stephen R. "Organic light emitters." In Organic Electronics. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198529729.003.0006.

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This chapter introduces the design and fundamental concepts of organic light emitting diodes (OLEDs) and organic semiconductor lasers (OSLs). The chapter begins by describing device architectures used in fluorescent, phosphorescent, and thermally assisted delayed fluorescent (TADF) devices. Device characterization for both white and monochromatic OLEDs with application to displays and white illumination sources is discussed. OLED displays are compared with liquid crystal displays, and quantification of perceived color and luminosity is described. Materials and layer structures leading to high

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Calatayud, David G., Rory L. Arrowsmith, Philip A. Waghorn, et al. "Multiphoton FLIM and PLIM: Emerging Imaging and Sensing Tools for Probing Metal Complexes and Nanohybrid Materials in Complex Cellular Environments." In Imaging Tools for Chemical Biology. Royal Society of Chemistry, 2024. http://dx.doi.org/10.1039/9781837673117-00104.

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Fluorescence and phosphorescence lifetime imaging microscopies (FLIM and PLIM) have found applications at the interface between life and physical sciences with relevance to biomedicine. This chapter outlines a facet of the broader optical imaging landscape, by exploring the applications of FLIM and PLIM that can help elucidate the fate of molecular probes when located within specific cellular environments. We highlight several case studies of advances in microscopy using FLIM and PLIM, with a focus on the detection of chemical probes within living cells, encompassing selected recent published

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Conference papers on the topic "Particule phosphorescente"

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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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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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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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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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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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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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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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Blaise, Antoine, Sylvain Petit, Frédéric Grisch, and Pradip Xavier. "Effect of the Blowing Ratio on the Interaction Between a Flame and an Air-Cooled Combustor Wall." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-102672.

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Abstract Innovative low-carbon aero-engines rely on ultra-compact and high energy density combustors, increasing the thermal loads of the walls. This study aims at experimentally enhancing the understanding of the interrelated physical processes between a flame, a wall and a cooling technology. The test rig operates at atmospheric pressure and generates a methane/air turbulent flame interacting with a wall that is air-cooled by means of a splash cooling plate device. Optical diagnostics are simultaneously implemented, including reactive particle image velocimetry (PIV) to assess the flow field

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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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