Luminescent thermometry based on Er3+/Yb3+ co-doped yttrium niobate with high NIR emission and NIR-to-visible upconversion quantum yields

FH Borges, JC Martins, FJ Caixeta, LD Carlos… - Journal of …, 2022 - Elsevier
The growing demand aiming non-invasive diagnosis techniques applications has become
an emerging field for developing more efficient bioprobes working in the near infrared (NIR) …

A highly thermal-stable red-emitting tantalate phosphor for WLED and multiple-mode optical temperature sensor dual-applications

N Yang, Z Li, Z Zhang, W He, Z Ye, W Huang, J Shi… - Ceramics …, 2024 - Elsevier
Recently, more and more attention has been concentrated on luminescence materials
activated with rare-earth ions for white light-emitting diodes (WLEDs) or optical …

Optical characteristics, Judd-Ofelt analysis of enhanced luminescence by flux in thermally stable, novel Eu3+-doped BaZr (PO4) 2 phosphor for indoor lighting …

S Yadav, AS Rao, D Meena - Physica B: Condensed Matter, 2024 - Elsevier
A series of novel single phased Eu 3+ doped BaZr (PO 4) 2 phosphor were synthesized
employing simple solid-state reaction route and studied the influence of different chlorides …

Primary thermometers based on sol–gel upconverting Er3+/Yb3+ co-doped yttrium tantalates with high upconversion quantum yield and emission color tunability

FH Borges, JC Martins, FJ Caixeta, RR Pereira… - Journal of Sol-Gel …, 2022 - Springer
This study investigates how rare earth ion (RE 3+) concentration affects stabilization of the
crystalline structure and infrared-to-visible upconversion (UC) in Er 3+/Yb 3+ co-doped …

Microstructural origin of peculiar spectra and excellent luminescence properties of Y 10 Ta 4 O 25: Eu 3+ with a fluorite-related structure

D Wei, X Yang, Y Liu, HJ Seo - Inorganic Chemistry Frontiers, 2022 - pubs.rsc.org
Inorganic compounds with fluorite-related structures are among the well-known
multifunctional materials. In this work, Y10Ta4O25: Eu3+ with a fluorite-related structure was …

Widely dual tunable visible and near infrared emission in Pr3+-doped yttrium tantalate: Pr3+ concentration dependence on radiative transitions from 3P0 to the 1D2

HP Labaki, FH Borges, FJ Caixeta… - Journal of …, 2021 - Elsevier
A dual tunable visible (reddish, orangish, blueish and white emission) and near infrared
energy conversion in Pr 3+-doped yttrium tantalate prepared by sol-gel method were …

Structural and NIR photoluminescence studies from Nd3+-doped yttrium niobate: A potential material for photonics

MG Manfré, H do Prado Labaki, VS de Souza… - Journal of …, 2023 - Elsevier
In the present work, an original sol-gel methodology is explored for the synthesis of Nd 3+-
doped yttrium niobate materials. The main goal was to assess the effect of the dopant …

[HTML][HTML] Experimental study of isothermal sections of the ZrO2–HfO2–Eu2O3 ternary diagram at 1500° С and 1700° С

YV Yurchenko, OA Kornienko, OI Olifan, AV Sameliuk… - Calphad, 2024 - Elsevier
In the present work the phase equilibria in a system of zirconium and hafnium dioxides and
europium sesquioxide have been studied. The study was conducted at temperatures of …

Spectral characteristics and luminescence applications of Eu3+-activated fluorosilicate Na2MgGd2 [SiO3] 4F2

S Zhang, Q Wei, H Yin, G Tang, L Qin - Materials Science and Engineering …, 2024 - Elsevier
This work reports the luminescence spectra and application of novel Eu 3+-doped Na 2
MgGd 2 [SiO 3] 4 F 2 phosphor. The X-ray powder diffraction confirmed the pure phase …

[HTML][HTML] Highly red luminescent stabilized tetragonal rare earth-doped HfO2 crystalline ceramics prepared by sol-gel

FH Borges, DS da Hora Oliveira, GP Hernandes… - Optical Materials: X, 2022 - Elsevier
We report high incorporation of rare earth ions (RE 3+) into hafnia nanoparticles prepared
by the sol–gel method and investigate how these dopants affect hafnia structure and phase …