Downshifting ds luminescence
WebApr 1, 2016 · We describe a metal nanodisk-insulator-metal (MIM) structure that enhances lanthanide-based upconversion (UC) and downshifting (DS) simultaneously. The structure was fabricated using a nanotransfer… 60 Highly plasmon-enhanced upconversion emissions from Au@β-NaYF4:Yb,Tm hybrid nanostructures. Ning Liu, W. Qin, G. Qin, … WebLanthanide upconversion luminescence is an anti-Stokes shift process where lanthanide ions absorb lower energy photons and emit higher energy photons, while downshifting …
Downshifting ds luminescence
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WebThe thermally boosted UC and DS luminescence mech- anism is systematically investigated through in situ temperature-dependent Raman spectroscopy, synchrotron X … WebBy virtue of the reduced distances between sensitizers and emitters as well as confined energy migration with increasing the temperature, a 45-fold enhancement of green upconversion (UC) luminescence and a 450-fold enhancement of near-infrared downshifting (DS) luminescence of Er3+ are achieved upon raising the temperature …
WebMay 28, 2024 · The spectral downshifting (DS) from ultra-violet (UV)/visible (VIS) light to near infra-red (NIR) radiation in Nd3+ doped YBO3 and LaBO3 phosphors is reported. The prepared materials were… Expand 2 Spectral Properties of ZnO-LiYbO2 Hybrid Phosphor for Silicon Solar Cell S. Ye, S. Tanabe, J. Qiu Chemistry, Physics 2011 To investigate the NTE effect on the DS emission, the temperature-dependent DS excitation spectra of the Sc2(MoO4)3:20%Yb/1%Er phosphors were measured by monitoring the emission of Er3+ at 1538 nm (Supplementary Fig. 5). Accordingly, the intensity of the excitation peak increased with the temperature … See more Sc2(MoO4)3:Yb/Er phosphors were synthesized via a sol-gel method. The basic structures of the Sc2(MoO4)3:Yb/Er samples with different substituted concentrations were detected by X-ray diffraction (XRD) … See more The tunable PL lifetime of Er3+ in Sc2(MoO4)3:Yb/Er phosphors, which spans two orders of magnitude with the temperature from 298 to 623 K, offers a great opportunity for their application in lifetime-based … See more Figure 3a shows the UC emission spectra of the Sc2(MoO4)3:20%Yb/1%Er phosphors upon 980-nm laser excitation at different … See more To shed more light on the mechanism responsible for the thermal-enhanced UC and DS emissions of Sc2(MoO4)3:20%Yb/1%Er with two-dimensional NTE, the temperature-dependent … See more
WebApr 19, 2024 · Here the authors report thermally-boosted green upconversion luminescence and near-infrared downshifting luminescence in Sc2 (MoO4)3:Yb/Er … WebThe synthesized nanophosphor shows efficient multimodal upconversion (UC), downshifting (DS), and quantum cutting (QC)/downconversion (DC) luminescence, …
WebJan 23, 2024 · Through formation of the NaYF 4 outermost shell, downshifting Tb 3+ luminescence was also enhanced, causing the NaGdF 4 :Yb (49%),Tm (1%)/NaGdF 4 …
WebMay 29, 2024 · These NPs display single-band red or green downshifting (DS) emission upon excitation at 377 or 490 nm, respectively. Upon 980 nm excitation, the color of upconversion (UC) emission can be finely tuned from green to yellow, and to red with increasing the excitation power density from 0.1 to 4.0 W/cm 2. bold moving and storage yelpWebdown· shift ˈdau̇n-ˌshift. downshifted; downshifting; downshifts. Synonyms of downshift. intransitive verb. 1. : to shift an automotive vehicle into a lower gear. 2. : to move or shift … bold music llcWebExploring new host materials to realize efficient downshifting (DS) and upconversion (UC) luminescence is a goal of general concern. Ln 3+ -doped oxybromides, which bring together the advantages of high chemical/thermal stability of oxides and low phonon energy of bromides, have been rarely reported so far. gluten free places nearWebSep 15, 2014 · The synthesized nanophosphor shows efficient multimodal upconversion (UC), downshifting (DS), and quantum cutting (QC)/downconversion (DC) luminescence, which is a new paradigm in garnet material. The garnet nanophosphor shows strong green emission through DS and UC processes both. bold music meaningWebMay 24, 2024 · Hello, I Really need some help. Posted about my SAB listing a few weeks ago about not showing up in search only when you entered the exact name. I pretty … bold music charlotte ncWebIn UC and DS/DC systems, energy transfer (ET) usually plays an indispensable role in manipulating the luminescence tuning of the doped rare-earth ions [7–10]. Hence, it is valuable to reveal the ET process among the doped ions, to allow further develop- ments or applications of the materials. gluten free places to eat in nycWebFeb 18, 2024 · Alternatively, the Bi 3+ ion has also been selected as sensitizer in the downshifting (DS) process in which it transfers its energy to the Dy 3+ and Tb 3+ ions in the YPO 4 and Y 2 O 3 phosphor... bold mutua