Search Results - "Joos, J."

Broadband infrared LEDs based on europium-to-terbium charge transfer luminescence by Joos, Jonas J., Van der Heggen, David, Martin, Lisa I. D. J., Amidani, Lucia, Smet, Philippe F., Barandiarán, Zoila, Seijo, Luis

“…Efficient broadband infrared (IR) light-emitting diodes (LEDs) are needed for emerging applications that exploit near-IR spectroscopy, ranging from hand-held…”
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Microstructural feature analysis of commercial Li-ion battery cathodes by focused ion beam tomography by Almar, L., Joos, J., Weber, A., Ivers-Tiffée, E.

“…Four positive electrodes are extracted from two high-power and two high-energy Li-ion battery consumer cells, and then analyzed by focused ion beam-scanning…”
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Energy level modeling of lanthanide materials: review and uncertainty analysis by Joos, Jonas J, Poelman, Dirk, Smet, Philippe F

“…Energy level schemes are an essential tool for the description and interpretation of atomic spectra. During the last 40 years, several empirical methods and…”
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Importance of Evaluating the Intensity Dependency of the Quantum Efficiency: Impact on LEDs and Persistent Phosphors by Van der Heggen, David, Joos, Jonas J, Smet, Philippe F

“…The quantum efficiency is a key metric in lighting technology and for the quantification of luminescent processes, indicating how many photons are emitted with…”
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Counting the Photons: Determining the Absolute Storage Capacity of Persistent Phosphors by Van der Heggen, David, Joos, Jonas J, Rodríguez Burbano, Diana C, Capobianco, John A, Smet, Philippe F

“…The performance of a persistent phosphor is often determined by comparing luminance decay curves, expressed in cd/m 2 . However, these photometric units do not…”
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Optically Stimulated Nanodosimeters with High Storage Capacity by Van der Heggen, David, Cooper, Daniel R, Tesson, Madeleine, Joos, Jonas J, Seuntjens, Jan, Capobianco, John A, Smet, Philippe F

“…In this work we report on the thermoluminescence (TL) and optically stimulated luminescence (OSL) properties of β-Na(Gd,Lu)F :Tb nanophosphors prepared via a…”
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Ectopic expression of S28A-mutated Histone H3 modulates longevity, stress resistance and cardiac function in Drosophila by Joos, J. P., Saadatmand, A. R., Schnabel, C., Viktorinová, I., Brand, T., Kramer, M., Nattel, S., Dobrev, D., Tomancak, P., Backs, J., Kleinbongard, P., Heusch, G., Lorenz, K., Koch, E., Weber, S., El-Armouche, A.

“…Histone H3 serine 28 (H3S28) phosphorylation and de-repression of polycomb repressive complex (PRC)-mediated gene regulation is linked to stress conditions in…”
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White light-emitting diodes: Stabilizing colour and intensity by Smet, Philippe F, Joos, Jonas J

“…White light-emitting diodes (wLEDs) are rapidly replacing incandescent and fluorescent light sources, both in general lighting and display backlights, due to…”
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Identification of Dy3+ / Dy2+ as Electron Trap in Persistent Phosphors by Joos, Jonas J, Korthout, Katleen, Amidani, Lucia, Glatzel, Pieter, Poelman, Dirk, Smet, Philippe F

“…Laser excitation and x-ray spectroscopy are combined to settle a long-standing question in persistent luminescence. A reversible electron transfer is…”
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Persistent Luminescence in Strontium Aluminate: A Roadmap to a Brighter Future by Van der Heggen, David, Joos, Jonas J., Feng, Ang, Fritz, Verena, Delgado, Teresa, Gartmann, Nando, Walfort, Bernhard, Rytz, Daniel, Hagemann, Hans, Poelman, Dirk, Viana, Bruno, Smet, Philippe F.

“…Glow‐in‐the‐dark materials have been around for a long time. While formerly materials had to be mixed with radioactive elements to achieve a sufficiently long…”
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What evidence exists for landbird species-environment relationships in eastern temperate and boreal forests of North America? A systematic map protocol by Lott, Casey A, Akresh, Michael E, Elmore, Andrew J, Fiss, Cameron J, Fitzpatrick, Matthew C, Joos, Cara J, King, David I, McNeil, Darin J, Stoleson, Scott H, Larkin, Jeffery L

“…Background Eastern temperate and boreal forests of North America contain declining populations of several migratory bird species. Breeding season habitat loss…”
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Direct Evidence of Intervalence Charge-Transfer States of Eu-Doped Luminescent Materials by Joos, Jonas J, Seijo, Luis, Barandiarán, Zoila

“…Direct evidence is given for the existence of intervalence charge transfer (IVCT) states of Eu2+/Eu3+ pairs in Eu-doped CaF2, SrF2, and BaF2. They are detected…”
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Red Mn4+-Doped Fluoride Phosphors: Why Purity Matters by Verstraete, Reinert, Sijbom, Heleen F, Joos, Jonas J, Korthout, Katleen, Poelman, Dirk, Detavernier, Christophe, Smet, Philippe F

“…Traditional light sources, e.g., incandescent and fluorescent lamps, are currently being replaced by white light-emitting diodes (wLEDs) because of their…”
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Hybrid remote quantum dot/powder phosphor designs for display backlights by Abe, Sofie, Joos, Jonas J, Martin, Lisa IDJ, Hens, Zeger, Smet, Philippe F

“…Quantum dots are ideally suited for color conversion in light emitting diodes owing to their spectral tunability, high conversion efficiency and narrow…”
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Mixed-Valence Lanthanide-Activated Phosphors: Invariance of the Intervalence Charge Transfer (IVCT) Absorption Onset across the Series by Neefjes, Ivo, Joos, Jonas J, Barandiarán, Zoila, Seijo, Luis

“…Recently, direct evidence was given for the existence of intervalence charge transfer (IVCT) states of Eu2+/Eu3+ pairs in Eu-doped fluorite hosts and their…”
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Insight into the Upconversion Luminescence of Highly Efficient Lanthanide-Doped Bi2O3 Nanoparticles by Back, Michele, Trave, Enrico, Riello, Pietro, Joos, Jonas J

“…A series of Bi2O3 nanoparticles doped with Yb3+ and Ln3+ (Ln3+ = Er3+, Ho3+, Tm3+) ions were prepared by means of a Pechini-type sol–gel synthesis in order to…”
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Strontium Aluminate Persistent Luminescent Single Crystals: Linear Scaling of Emission Intensity with Size Is Affected by Reabsorption by Van der Heggen, David, Joos, Jonas J., Rytz, Daniel, Viana, Bruno, Smet, Philippe F.

“…The green-emitting SrAl2O4:Eu,Dy phosphor is the most widely used and well-studied persistent luminescent phosphor available today. Recent efforts to boost its…”
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Exploring Lanthanide Doping in UiO-66: A Combined Experimental and Computational Study of the Electronic Structure by Hendrickx, Kevin, Joos, Jonas J, De Vos, Arthur, Poelman, Dirk, Smet, Philippe F, Van Speybroeck, Veronique, Van Der Voort, Pascal, Lejaeghere, Kurt

“…Lanthanide-based metal–organic frameworks show very limited stabilities, which impedes their use in applications exploiting their extraordinary electronic…”
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Tuberculin reactivity in bacille Calmette-Guérin vaccinated populations: a compilation of international data by JOOS, T. J, MILLER, W. C, MURDOCH, D. M

“…SETTING: The effect of previously administered bacille Calmette-Guérin (BCG) vaccine on subsequent tuberculin skin tests (TSTs) complicates screening for…”
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First-Principles Study of Antisite Defect Configurations in ZnGa2O4:Cr Persistent Phosphors by De Vos, Arthur, Lejaeghere, Kurt, Vanpoucke, Danny E. P, Joos, Jonas J, Smet, Philippe F, Hemelsoet, Karen

“…Zinc gallate doped with chromium is a recently developed near-infrared emitting persistent phosphor, which is now extensively studied for in vivo bioimaging…”
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