Up-conversion and near infrared luminescence in Er 3+ /Yb 3+ co-doped glass-ceramic containing MgGa 2 O 4 nano-crystals

2016 ◽  
Vol 170 ◽  
pp. 444-450 ◽  
Author(s):  
Jiaju Sun ◽  
Lixin Yu ◽  
Fuhai Li ◽  
Shuilin Wei ◽  
Songchu Li
2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Wojciech A. Pisarski ◽  
Joanna Pisarska ◽  
Marta Kuwik ◽  
Marcin Kochanowicz ◽  
Jacek Żmojda ◽  
...  

AbstractFluoroindate glasses co-doped with Pr3+/Er3+ ions were synthesized and their near-infrared luminescence properties have been examined under selective excitation wavelengths. For the Pr3+/Er3+ co-doped glass samples several radiative and nonradiative relaxation channels and their mechanisms are proposed under direct excitation of Pr3+ and/or Er3+. The energy transfer processes between Pr3+ and Er3+ ions in fluoroindate glasses were identified. In particular, broadband near-infrared luminescence (FWHM = 278 nm) associated to the 1G4 → 3H5 (Pr3+), 1D2 → 1G4 (Pr3+) and 4I13/2 → 4I15/2 (Er3+) transitions of rare earth ions in fluoroindate glass is successfully observed under direct excitation at 483 nm. Near-infrared luminescence spectra and their decays for glass samples co-doped with Pr3+/Er3+ are compared to the experimental results obtained for fluoroindate glasses singly doped with rare earth ions.


2018 ◽  
Vol 203 ◽  
pp. 689-695 ◽  
Author(s):  
Minghan Zhou ◽  
Yaxun Zhou ◽  
Yarui Zhu ◽  
Xiue Su ◽  
Jun Li ◽  
...  

2012 ◽  
Vol 358 ◽  
pp. 29-32 ◽  
Author(s):  
Wei Xiong ◽  
Hui Yuan ◽  
Liangbi Su ◽  
Liang Chen ◽  
Yao Zhou ◽  
...  

2009 ◽  
Vol 24 (2) ◽  
pp. 310-315 ◽  
Author(s):  
Jin Luo ◽  
Shifeng Zhou ◽  
Botao Wu ◽  
Hucheng Yang ◽  
Song Ye ◽  
...  

Cr3+/Ni2+ co-doped optically transparent magnesium aluminosilicate glass-ceramics containing MgAl2O4 nanocrystals have been prepared by heat-treatment. Greatly enhanced broadband near-infrared emission centered at 1216 nm in Cr3+/Ni2+ co-doped glass ceramics is observed when compared with the Ni2+ single-doped glass ceramics under 532 nm excitation. The observed enhancement of infrared emission is attributed to the energy transfer from Cr3+ to Ni2+ ions in the nanocrystalline phase, which leads to the emission due to 3T2(3F) → 3A2(3F) transition of octahedral Ni2+ ions.


2016 ◽  
Vol 57 ◽  
pp. 71-78 ◽  
Author(s):  
D. Manzani ◽  
M. Montesso ◽  
C.F. Mathias ◽  
K. Venkata Krishanaiah ◽  
S.J.L. Ribeiro ◽  
...  

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