Ion-beam-induced upconversion
Web12 apr. 2024 · Upconversion nanoparticles (UCNPs) are a unique class of lanthanide-ion-doped optical nanomaterials featuring a wealth of electronic transitions ... Yao, S. Enzymatic-induced upconversion photoinduced electron transfer for sensing tyrosine in human serum. Biosens. Bioelectron. 2016, 77, 957–962. [Google Scholar] ... Web19 jul. 2024 · Photon upconversion represents a promising avenue to reduce the spectral mismatch losses limiting the efficiency of solar cells. Here we studied in detail the impact of inserting Yb3+/Er3+ codoped KY7F22 upconversion nanoparticles (UCNPs) into the different interfaces of a solution-processed mixed-cation lead mixed-halide perovskite …
Ion-beam-induced upconversion
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WebLanthanide-doped upconversion nanoparticles (UCNPs) (), which can optically convert a low-energy near-infrared beam into high-energy ultraviolet (UV) or visible photons, have facilitated photoactivation in lithography (), theranostics (), photoswitching (), optogenetics (), and optical memory ().Furthermore, UCNPs exhibit long-lived excited energy levels for … WebThe development of advanced luminescent materials is highly desirable for addressing the rising threat of forgery. However, it is challenging to achieve stable full-color upconversion (UC) tuning in the same matrix upon a single-beam light excitation so as to ensure that authentic items are irreproducible.
WebEffects of high concentration and clustering on the performance of erbium-doped silica waveguide amplifiers are numerically investigated. The model, based on propagation-rate equations of a laser system containing isolated ions and ion-pairs, is numerically solved by combining Runge-Kutta and full-vectorial finite-element methods; it allows the description … WebThe model, based on propagation-rate equations of a laser system containing isolated ions and ion-pairs, is numerically solved by combining Runge-Kutta and full-vectorial finite …
Web1 aug. 2024 · In this work, we firstly report that one-photon absorption-based upconversion (oPUC) exhibits aggregation-induced emission enhancement (AIEE) based on … Webbeam facilities depends on the target survival in conditions of intense radiation field and thermo-mechanical solicitations induced by the driving ion beam. Material property degradation due to ion- beam induced damage will limit target lifetim e, either by affecting target performance or, by reducing the material resilience.
Web2016: A scheme for generating transient photonic crystals for high-power lasers involving matching counterpropagating laser beams in a plasma in the sc-SBS regime is proposed.13 An experimental demonstration of a plasma wave plate based on laser-induced birefringence is reported, in which a large-spot-size, low-intensity (I = 10 13 W/cm 2) …
Web12 nov. 2015 · 1.72 MB 1 Subwavelength imaging through ion-beam-induced upconversion Data January 2024 Zhaohong Mi · Yuhai Zhang · Vanga Sudheer Kumar … dachshund clothing for dogs canadaWeb19 okt. 2024 · Since amplifiers and lasers typically operate above room temperature due to pump-induced heating, the temperature dependence of the peak-absorption cross-section of the KYb0.57Gd0.43(WO4)2 is evaluated for the sample being heated from 20 °C to 170 °C, resulting in a measured reduction of peak-absorption cross-section at the transitions … dachshund clothing accessoriesWeb22 aug. 2024 · First, the bottom electrode is patterned by using a standard optical lithography process, and then vertical Ar + ion milling is done to prepare the bottom electrode using an IBE system with 300 eV electron beam energy, 80 mA ion beam current, and 100 mA neutralization current under a 5.0×10-4 Pa background vacuum and a … dachshundclub bayernWeb5 aug. 2024 · However, for ion beam-sensitive materials such as halide perovskites, the ion beam milling process can easily cause decomposition and structure damage to the specimen. Here we investigate the influence factors of ion beam damage theoretically and experimentally, and successfully obtain the high-resolution transmission electron … dachshund club of america facebook pageWeb18 jul. 2024 · 01:27. 2. Applications. 2.1. Materials science. This section introduces to the materials scientists, chemists, and physicists about the ion beam techniques for materials analysis, modification of materials, and development of new materials using ion beam. MeV ion beams for materials analysis techniques are being used as complementary … binh name pronunciationWeb13 mrt. 2024 · We propose the use of an n-doped periodic AlN/GaN quantum cascade structure for the optical up-conversion of multiple near-infrared (near-IR) photons into deep-ultraviolet (deep-UV) radiation. Without applying an external bias voltage, the active region of such a device will (similar to an un-biased quantum cascade laser) resemble a … dachshund club of america 2020 nationalWebSong, Temperature and fluence dependence of the luminescence properties of Ce:YAG single crystals with ion beam-induced luminescence, Radiat. Meas., № 160 ... Chaika, Upconversion luminescence in Cr3+:YAG single crystal … binh nuoc lock and lock