Efficient ultra-broadband NIR-II emission achieved by multi-site occupancy in Mg3Ga2GeO8: Ni2+ phosphor

C Wang, J Lin, X Zhang, H Dong, M Wen… - Journal of Alloys and …, 2023 - Elsevier
It is an important and urgent task to improve the luminous efficiency and emission bandwidth
of existing luminescent materials with emission in near infrared (NIR) spectral region …

Near‐Infrared I/II Nanophosphors with Cr3+/Ni2+ Energy Transfer for Bioimaging

A Satpathy, WT Huang, MH Chan, TY Su… - Advanced Optical …, 2023 - Wiley Online Library
In the biomedical field, the use of fluorescence imaging in the second near‐infrared (NIR‐II)
region is growing rapidly because it imparts the advantages of reduced autofluorescence …

Photochromism and Persistent Luminescence in Ni-Doped ZnGa2O4 Transparent Glass-Ceramics: Toward Optical Memory Applications

V Castaing, L Giordano, C Richard… - The Journal of …, 2021 - ACS Publications
Persistent luminescence and photochromism are two fascinating optical properties that
involve charge trapping via defects and their release due to an external stimulation. In both …

Environmentally-friendly and low-cost Fe3+-doped broadband NIR light-emitting phosphors

L Xiang, X Zhou, Y Wang, L Li, S Jiang, G Xiang… - Journal of …, 2022 - Elsevier
Near infrared (NIR) light emitting phosphors have attracted more and more attention with the
development of science and technology. Herein, we report a series of environmentally …

Luminescent ion-doped transparent glass ceramics for mid-infrared light sources

J Ren, X Lu, C Lin, RK Jain - Optics Express, 2020 - opg.optica.org
Glass ceramics (GCs), which consist essentially of a homogeneous solid state dispersion of
nanocrystals (NCs) embedded in a chemically inert and mechanically robust glass matrix …

Two-stage ultra-broadband luminescence of Cr3+-doped multisite layered phosphor Sr3Ga2Ge4O14 and its application in pc-LEDs

J Li, P Li, Y Wang, Y Shi, S He, Y Yang, R Li… - Materials Today …, 2022 - Elsevier
Abstract Near-infrared (NIR) phosphor-converted light-emitting diodes (pc-LEDs) have
enormous potential for all kinds of applications, both non-destructive testing and biological …

Ni 2+-activated MgTi 2 O 5 with broadband emission beyond 1200 nm for NIR-II light source applications

CJ Tang, BM Liu, L Huang, J Wang… - Journal of Materials …, 2022 - pubs.rsc.org
The rapid development of minimized near-infrared (NIR) phosphor-converted LEDs (pc-
LEDs) has evoked a large demand for broadband NIR phosphors and will enable …

Structural, electronic, magnetic and optical properties of AB2O4 (A= Ge, Co and B= Ga, Co) spinel oxides

MA Rafiq, A Javed, MN Rasul, M Nadeem… - Materials Chemistry and …, 2021 - Elsevier
Structural, magnetic, optical and electronic properties of GeGa 2 O 4, CoGa 2 O 4, GeCo 2 O
4 and CoCo 2 O 4 spinel oxides have been studied. Spinel oxides are studied by performing …

Controlling selective doping and energy transfer between transition metal and rare earth ions in nanostructured glassy solids

Z Gao, S Guo, X Lu, J Orava, T Wagner… - Advanced Optical …, 2018 - Wiley Online Library
Selective doping of optically active ions into the nanocrystalline phase (s) of glass ceramics
is of interest for photoluminescence (PL) applications to control the energy transfer (ET) …

Superior properties and biomedical applications of microorganism-derived fluorescent quantum dots

M Abdel-Salam, B Omran, K Whitehead, KH Baek - Molecules, 2020 - mdpi.com
Quantum dots (QDs) are fluorescent nanocrystals with superb photo-physical properties.
Applications of QDs have been exponentially increased during the past decade. They can …