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LuminescenceLuminescent MeasurementsEuropiumTerbiumLanthanoid Series ElementsLuminescent AgentsFirefly LuciferinAliivibrio fischeriVibrioAequorinMetals, Rare EarthPhotobacteriumLuciferases, BacterialLuciferasesActinoid Series ElementsYtterbiumLuciferases, FireflyOptical ProcessesDecapodiformesEchinodermataOptically Stimulated Luminescence DosimetryEnergy TransferSpectrometry, FluorescenceSinglet OxygenThermoluminescent DosimetryCuriumQuantum DotsSharksOrganometallic CompoundsHomoserineMolecular ImagingLuminolSoil Pollutants, RadioactiveErbiumThenoyltrifluoroacetoneKazakhstanRutheniumFluorescent DyesAnimal StructuresSamariumNanoparticlesOptical ImagingDiagnostic ImagingCadmium CompoundsVibrionaceaeTime FactorsTerphenyl CompoundsSpectrum AnalysisFluorescence4-ButyrolactoneDiketopiperazinesKineticsNanostructuresLuminescent ProteinsSemiconductorsDysprosiumReproducibility of ResultsMolecular StructureMacrocyclic CompoundsRadioactive FalloutScyphozoaCoordination ComplexesYttriumCalciumNanotechnologyPhotorhabdusBiosensing TechniquesChelating AgentsMethacyclineBacterial ProteinsEnzyme AssaysMolecular Sequence DataEscherichia coliSensitivity and SpecificityGoldLightTomography, OpticalNeodymiumBeetlesTemperatureComputer-Aided DesignGenes, ReporterFirefliesHydrogen-Ion ConcentrationCalibrationRadiometryPhotonsMolecular ProbesMetals, AlkaliInfrared RaysWhole Body ImagingStereoisomerismAlgorithmsMolecular Probe TechniquesEquipment DesignSymbiosisEquipment Failure AnalysisPhotometryModels, BiologicalQuorum Sensing
Persistent luminescenceSpectroscopyOptically stimulated luminescencInfrared-Stimulated LuminescenceLanthanideNanoparticlesHigh luminescenceUpconversion luminescenceDating and dosimetry2021Electron spin resoCerenkovLaboratoryKineticsAbstractRadiationNanocrystalsExcitationEmissionNitride semiconductorsUltravioletSedimentsRetrospectiveArchaeologySensorsWidelyEmittersMeasurementsLEDsLifetimeMolecularDefectsEfficiencyQuantumQuartzPhotonIntensityTechniqueVivoSynthesisArticleStablePotteryObservationDosimeterPerovskitesSolar cellsStudyExperimentalHeterostructuresOxide
Persistent luminescence7
  • Formation of Deep Electron Traps by Yb Codoping Leads to Super-Long Persistent Luminescence in Ce-Doped Yttrium Aluminum Gallium Garnet Phosphors. (americanelements.com)
  • The YAlGaO:Ce-Cr compound is one of the brightest persistent phosphors, but its persistent luminescence duration is not so long because of the relatively shallow Cr electron trap. (americanelements.com)
  • 4f green persistent luminescence after blue light excitation. (americanelements.com)
  • In addition, by preparing transparent ceramics and optimizing Ce and Yb concentrations, the YAlGaO:Ce(0.2%)-Yb(0.1%) as-made transparent ceramic phosphor showed super-long persistent luminescence for over 138.8 h after blue light charging. (americanelements.com)
  • abstract = "In this work, we report the Persistent Luminescence (PLUM) of ZrO2:Tb3+ samples synthesized by a conventional solid-state reaction and its performance in radiation dosimetry. (unison.mx)
  • Persistent luminescence, commonly called afterglow, is long-lasting visible emission over several hours after ultraviolet excitation. (edinst.com)
  • This persistent luminescence is widely exploited in glow-in-the-dark features or non-electrical safety signage but persistent phosphors also hold great potential to be used for photocatalysis, in vivo bioimaging, photodynamic therapy or stress sensing applications. (ugent.be)
Spectroscopy10
  • Solomon, E. I. & Lever, A. B. P. Inorganic Electronic Structure and Spectroscopy, Applications and Case Studies Vol. 2 (Wiley-Interscience, 1999). (nature.com)
  • She is a Spectroscopy Applications Scientist. (jascoinc.com)
  • In this application note, we present measurements of water obtained from river aquatic systems and show how fluorescence spectroscopy can easily provide initial results on the organic fingerprint of water. (edinst.com)
  • Potential applications in super resolution spectroscopy, high density data storage, anti-counterfeiting and biological imaging and photo-induced therapy. (nanowerk.com)
  • The researchers unravelled the intimate link between the random nature of the energy migration and the upconversion luminescence time behaviour by means of a complementary approach of advanced spectroscopy and time-resolved Monte Carlo simulation. (nanowerk.com)
  • This result is significant for the application of this sort of materials in super resolution spectroscopy, high density data storage, anti-counterfeiting and biological imaging. (nanowerk.com)
  • The focus of persistent phosphor research in LumiLab lies in the use of thermoluminescence and optically stimulated luminescence spectroscopy to study and identify the chemical nature of the relevant trapping defects and to uncover the microscopic mechanism behind this fascinating phenomenon. (ugent.be)
  • Holdings: Molecular luminescence spectroscopy. (fz-juelich.de)
  • Molecular luminescence spectroscopy. (fz-juelich.de)
  • Katarina Svanberg, Applications of Laser Spectroscopy to meet Challenges in Medicine. (lu.se)
Optically stimulated luminescenc1
Infrared-Stimulated Luminescence2
  • Thermoluminescence (TL), Optically-Stimulated Luminescence (OSL) and Infrared-Stimulated Luminescence (IRSL) emitted from a set of 19 salt (NaCl) samples were studied for potential application to retrospective dosimetry. (edu.sa)
  • It is particularly useful for minerogenic sediments, for example as optically stimulated luminescence (OSL) dating of quartz and infrared stimulated luminescence (IRSL) dating of feldspar. (lu.se)
Lanthanide2
  • Polarized upconversion luminescence (PUCL) of lanthanide (Ln3+) ions has been widely used in single particle tracking, microfluidics detection, three-dimensional displays, and so on. (opticaopen.org)
  • Compared with YVO 4 , InVO 4 is not suitable as the host material of lanthanide ions because of its strong self-luminescence. (sciopen.com)
Nanoparticles4
High luminescence1
  • The high luminescence yields are achieved while maintaining high mobilities of more than 40 square centimetres per volt per second, providing the elusive combination of both high luminescence and excellent charge transport. (tudelft.nl)
Upconversion luminescence3
  • By constructing a multiphoton upconversion system for Ho3+, we regulate the degree of polarization (DOP) of PUCL from 0.6 for two-photon luminescence to 0.929 for three-photon upconversion luminescence (UCL). (opticaopen.org)
  • Upconversion luminescence dynamics has long been believed to be determined solely by the emitting ions and their interactions with neighbouring sensitizing ions. (nanowerk.com)
  • Based on this new fundamental insight, the researchers were able to successfully control the upconversion luminescence time behaviour (either the rise or decay process) by tuning the energy migration paths in various specifically designed DISS nanostructures. (nanowerk.com)
Dating and dosimetry3
  • The LLLDo lab in Malmö is part of "Lund University optically stimulated luminescence center for dating and dosimetry" (Lu2D2) together with Lund Luminescence Laboratory (LLL) at the Department of Geology. (lu.se)
  • Welcome to a day about luminescence dating and dosimetry! (lu.se)
  • Hosted by the Lund University Luminescence centre for Dating and Dosimetry ( Department of Geology in Lund, and Medical Radiation Physics in Malmö), we aim to introduce participants to optically stimulated luminescence dating and dosimetry. (lu.se)
20211
  • ALRL is running a specialist course entitled " Luminescence Dating:Theory, Methods and Application " that will next run 8-12th November 2021. (aber.ac.uk)
Electron spin reso2
  • The Aberystwyth Luminescence Research Laboratory was also responsible for publishing Ancient TL (a journal dedicated to disseminating knowledge about luminescence and electron spin resonance dating) for the period from 2004-2014. (aber.ac.uk)
  • At present, however, it remains unclear whether the internal radioactivity of LaBr3:Ce detectors compromises their suitability for low-level activity radioisotope measurements of natural sedimentary deposits, such as those required in luminescence and electron spin resonance (ESR) dating. (edu.au)
Cerenkov4
  • Cerenkov luminescence imaging (CLI) is an emerging imaging technique that combines aspects of both optical and nuclear imaging fields. (snmjournals.org)
  • We compared the efficacious effects of MLN4924 using PET and Cerenkov luminescence image values in the same animals. (snmjournals.org)
  • In previously published work, we demonstrated the first in vivo use of Cerenkov luminescence imaging (CLI) with a highly sensitive and ultracooled charged-coupled device camera, allowing detection of this optical emission ( 15 ). (snmjournals.org)
  • Timmermand OV, Tran TA, Strand SE, Axelsson J. Intratherapeutic biokinetic measurements, dosimetry parameter estimates, and monitoring of treatment efficacy using cerenkov luminescence imaging in preclinical radionuclide therapy. (lu.se)
Laboratory4
Kinetics1
  • In this application note, the kinetics of NATA quenching by QBS are determined using the FLS1000 Photoluminescence Spectrometer equipped with the stopped-flow accessory. (edinst.com)
Abstract1
  • Article: Forensic applications including mapping and classification of tsunami sand deposits and sand dunes with ground penetrating radar Journal: International Journal of Forensic Engineering (IJFE) 2013 Vol.1 No.3/4 pp.290 - 300 Abstract: The coastal region experiences erosional, transportational and depositional events during mega events such as tsunami. (inderscience.com)
Radiation4
  • Luminescence is the "spontaneous emission of radiation from an electronically excited species (or from a vibrationally excited species) not in thermal equilibrium with its environment", according to the IUPAC definition. (wikipedia.org)
  • Luminescence occurs in some minerals when they are exposed to low-powered sources of ultraviolet or infrared electromagnetic radiation (for example, portable UV lamps) at atmospheric pressure and atmospheric temperatures. (wikipedia.org)
  • The topic involves the development of scintillation heterostructures with ultrafast, sub-nanosecond luminescence response to ionizing radiation, made from nitride semiconductors by means of organo-metallic epitaxy. (fzu.cz)
  • Optically Stimulated Luminescence for Retrospective Radiation Dosimetry. (lu.se)
Nanocrystals1
  • Zhang, Meijer and co-workers demonstrate that in nanocrystals the luminescence time behaviour is seriously affected by the migration process of the excitation energy. (nanowerk.com)
Excitation1
  • In particular, the excitation and emission bands change with the series term, showing wide tunability of the luminescence bands, ranging from the ultraviolet to the infrared. (rsc.org)
Emission3
  • Circularly polarized luminescence (CPL) measures the difference in the emission intensities of left- and right-handed circularly polarized light of chiral compounds. (jascoinc.com)
  • The origin of this luminescence has been widely discussed, but only recently has a clear signature of phonon mediated light emission emerged in the experiments [Cassabois et al. (hal.science)
  • In this application note the FS5 Spectrofluorometer, equipped with the electroluminescence accessory, is used to investigate the emission properties of four type III-V LEDs and determine their bandgaps and chromaticity coordinates. (edinst.com)
Nitride semiconductors1
  • Nitride semiconductors present an ideal material for high-power applications owing to their wide band gap, high thermal conductivity and excellent thermal stability. (fzu.cz)
Ultraviolet1
  • This material has attracted interest due to its strong luminescence in the ultraviolet [Watanabe et al. (hal.science)
Sediments2
  • The Optically Simulated Luminescence (OSL) dating of the sediments by combining Ground Penetrating Radar (GPR) records will reveal the past tsunami events. (inderscience.com)
  • Infrared radiofluorescence (IR-RF) of K-feldspar is a luminescence dating method proposed for chronologies of older sediments in Quaternary science. (researchgate.net)
Retrospective1
  • sufficient for application to retrospective dosimetry. (edu.sa)
Archaeology3
  • An easily accessible summary of how luminescence dating works, and some examples of how the method can be applied was written by Prof Geoff Duller for English Heritage ( Luminescence Dating - Guidelines on using luminescence dating in archaeology (PDF) ) and is freely available for downloading. (aber.ac.uk)
  • Some raw archaeology: liritzis, including luminescence dating of archaeological site in. (stpetersedinburgh.org)
  • With a full day of talks, discussions and demonstrations, we'll focus on the role of luminescence in archaeology, geology, medicine, environmental studies and forensics. (lu.se)
Sensors1
  • Such properties have long been exploited in the development of luminescence-based sensors. (edinst.com)
Widely2
  • Luminescence dating has become a widely recognised and important tool in deciphering Quaternary issues. (aber.ac.uk)
  • Modern LEDs are efficient, bright and reliable and are one of the most versatile and widely used light sources with an ever increasing number of applications. (edinst.com)
Emitters1
  • The ability to tune the perovskite bandgap continuously by modifying the chemical composition opens up applications for perovskites as coloured emitters, in building-integrated photovoltaics, and as components of tandem photovoltaics to increase the power conversion efficiency. (tudelft.nl)
Measurements2
  • UV, Visible, and NIR measurements up to 2500 nm for MCD and specialized applications. (jascoinc.com)
  • The structures are numerically modelled, prepared using the MOVPE technology and characterized using luminescence and transport measurements. (fzu.cz)
LEDs3
  • Light-emitting diodes (LEDs) emit light via electro-luminescence. (wikipedia.org)
  • At present, very strong efforts worldwide are focused on the possibility to replace virtually all display applications with micro-LEDs, as a next step after the market dominance of, first, liquid crystal-based displays and, later, OLEDs i.e. organic LEDs. (lu.se)
  • As a smaller, but important, area of LED applications, we carry on a minor effort in the field of UV-emitting LEDs of primary importance for water disinfection and general sterilization. (lu.se)
Lifetime2
  • In this application note a complete photophysical characterisation, comprising of absorption spectra, photoluminescence spectra, photoluminescence lifetime, and quantum yield of two perovskite quantum dots is carried out using the versatile FS5 Spectrofluorometer. (edinst.com)
  • Thanks to the presence of these trapping defects the luminescence lifetime can be extended from a few micro- or milliseconds up to minutes, hours or even days depending on the (thermal) stability of the trapped charge. (ugent.be)
Molecular2
  • Metal Ion-Linked Molecular Multilayers on Inorganic Substrates: Structure and Applications. (acs.org)
  • This is an important step to develop iron-based molecules for light-harvesting and light-emitting applications including emerging molecular technologies for solar energy conversion that potentially include both solar cells and solar fuels. (lu.se)
Defects1
Efficiency5
  • When interfaced with electrodes in a solar cell device stack, the external luminescence yield - a quantity that must be maximized to obtain high efficiency - remains as high as 15 per cent, indicating very clean interfaces. (tudelft.nl)
  • Our work represents an important advance in the construction of tunable metal halide perovskite films and interfaces that can approach the efficiency limits in tandem solar cells, coloured-light-emitting diodes and other optoelectronic applications. (tudelft.nl)
  • The preparation of high-efficiency phosphor is the key to the construction of white light-emitting diode (WLED) devices and their application in indoor photovoltaics. (sciopen.com)
  • By employing NW technology, further improvement in efficiency, material consumption, and material tuning can be achieved and the important application area of ultra-bright and high-resolution displays directly benefits from this nano-materials approach. (lu.se)
  • Such displays have inherent much higher brightness and efficiency than today's technologies and are ideally suited for applications in the areas of VR/AR (virtual/augmented reality) or HUD (head-up displays for cars and airplanes). (lu.se)
Quantum1
  • Through interleaving such thin layers on the atomic scale, it is possible to prepare quantum heterostructures with diverse functionalities, which find their use in high-tech industrial and healthcare applications. (fzu.cz)
Quartz2
  • Its key advantages are higher saturation doses than optically stimulated quartz luminescence and long-term stability (no fading). (researchgate.net)
  • What an armada of southern high probability of quartz inclusion tl dating of mud-bricks of luminescence dating methods provide the latter were dated. (stpetersedinburgh.org)
Photon1
  • And this regulation strategy of PUCL has also been achieved in Tm3+, where DOP is ranged from 0.233 for two-photon luminescence to 0.925 for four-photon UCL. (opticaopen.org)
Intensity1
Technique3
  • This course is aimed at postgraduate students and academic staff who are interested either in applying luminescence dating as part of their research, or who will be utilising luminescence data produced by other people and wish to understand more about what is involved in the technique. (aber.ac.uk)
  • This paper highlights the application of radar technique as a forensic tool combined with the analysis of soil samples for the study of tsunamis and sand dunes in India. (inderscience.com)
  • Luminescence dating is a geochronological technique that spans the Late Quaternary. (lu.se)
Vivo1
  • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals. (sigmaaldrich.com)
Synthesis1
  • Carbon Nanotubes: Advanced Topics in the Synthesis, Structure, Properties and Applications. (wikipedia.org)
Article1
  • A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for future research directions and describes possible research applications. (mdpi.com)
Stable2
Pottery1
Observation1
  • Observation of a scientific rule being broken can sometimes lead to new knowledge and important applications. (phys.org)
Dosimeter2
  • Tb 3+ 1% sample has potential applications as a dosimeter for beta particle irradiation. (unison.mx)
  • The results suggest that the ZrO2:Tb3+ 1% sample has potential applications as a dosimeter for beta particle irradiation. (unison.mx)
Perovskites2
  • Metal halide perovskites are of great interest for various high-performance optoelectronic applications. (tudelft.nl)
  • Interlayer Triplet-Sensitized Luminescence in Layered Two-Dimensional Hybrid Metal-Halide Perovskites. (acs.org)
Solar cells1
  • Nevertheless, performance is limited by non-radiative losses, with luminescence yields in state-of-the-art perovskite solar cells still far from 100 per cent under standard solar illumination conditions. (tudelft.nl)
Study3
  • In this manuscript we study luminescence of hexagonal boron nitride (hBN) by means of non-equilibrium Green's functions plus time-dependent perturbation theory. (hal.science)
  • This formula is applied to study luminescence in bulk hBN. (hal.science)
  • Both technological directions, nitride and diamond, are supported by unique characterization techniques that enable the study of prepared materials and give feedback to the technologies for further optimization for a specific purpose (low-temperature deposition, application of layers without tension, etc. (fzu.cz)
Experimental1
  • The raw data are composed of the experimental data of luminescence dating and PL research. (hku.hk)
Heterostructures2
  • The technological and luminescence research groups closely cooperate on development of these heterostructures, and they also cooperate with the Crytur company in Turnov. (fzu.cz)
  • Within the broad spectrum of our activities, we offer cooperation in the field of technology for the preparation of nitride heterostructures and diamond layers, the application of various thin layers, the creation of basic electronic and opto-electronic elements, and more. (fzu.cz)
Oxide1
  • Luminescence of micro- and nanotriangles of cubic antimony oxide, Sb 2 O 3 has been investigated by cathodoluminescence (CL) in scanning electron microscope and by photoluminescence (PL) in a laser confocal microscope. (springer.com)