Highly efficient broadband near-infrared luminescence in Ni2+-doped glass ceramics films containing cordierite nanocrystals

2009 ◽  
Vol 355 (48-49) ◽  
pp. 2425-2428 ◽  
Author(s):  
Hong-Tao Sun ◽  
Fumiaki Shimaoka ◽  
Jian Ruan ◽  
Yuji Miwa ◽  
Minoru Fujii ◽  
...  
Keyword(s):  
Near Infrared ◽  
Glass Ceramics ◽  
Highly Efficient ◽  
Infrared Luminescence ◽  
Doped Glass

Temperature-dependent broadband near-infrared luminescence in silicate glass ceramics containing Li2MgSiO4: Cr4+ nanocrystals

2010 ◽  
Vol 25 (9) ◽  
pp. 1833-1837 ◽  
Author(s):  
Yixi Zhuang ◽  
Jiajia Zhou ◽  
Junhua Xie ◽  
Yu Teng ◽  
Jianrong Qiu
Keyword(s):  
Fluorescence Lifetime ◽  
Near Infrared ◽  
Glass Ceramics ◽  
Infrared Emission ◽  
Temperature Dependent ◽  
Energy Level Scheme ◽  
Mixed Effect ◽  
Infrared Luminescence ◽  
Doped Glass ◽  
Near Infrared Emission

Transparent glass ceramics containing Li2MgSiO4: Cr4+ nanocrystallites were prepared. Intense broadband near-infrared emission with full width at half-maximum larger than 200 nm and long fluorescence lifetime (τ > 100 μs) were observed. The temperature-dependent optical characteristics of the glass ceramics containing Li2MgSiO4: Cr4+ crystallites were compared to those of Li2MgSiO4: Cr4+ single crystals. The reason for extra-long near-infrared fluorescence lifetime was illuminated by the mixed effect between 3T2 and 1E levels. The crystal-filed-induced particular energy-level scheme makes the fluorescence lifetime of the glass ceramics containing Li2MgSiO4: Cr4+ crystallites one order longer than those of other Cr4+-doped glass ceramics.

scholarly journals Fluoroindate glasses co-doped with Pr3+/Er3+ for near-infrared luminescence applications

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Wojciech A. Pisarski ◽  
Joanna Pisarska ◽  
Marta Kuwik ◽  
Marcin Kochanowicz ◽  
Jacek Żmojda ◽  
...  
Keyword(s):  
Rare Earth ◽  
Near Infrared ◽  
Rare Earth Ions ◽  
Luminescence Spectra ◽  
Nonradiative Relaxation ◽  
Transfer Processes ◽  
Direct Excitation ◽  
Infrared Luminescence ◽  
Doped Glass ◽  
Co Doped

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.

Enhanced and Long-Lived Near-Infrared Luminescence of Er3+ Ions in Lead Borate Glass-Ceramics Containing PbWO4 Nanocrystals

2013 ◽  
Vol 96 (6) ◽  
pp. 1685-1687 ◽  
Author(s):  
Wojciech A. Pisarski ◽  
Joanna Pisarska ◽  
Izabela Czopek ◽  
Tomasz Goryczka ◽  
Radosław Lisiecki ◽  
...  
Keyword(s):  
Borate Glass ◽  
Near Infrared ◽  
Glass Ceramics ◽  
Lead Borate ◽  
Infrared Luminescence

Up-conversion luminescence and near infrared luminescence of Er3+ in transparent oxyfluoride glass-ceramics

2004 ◽  
Vol 27 (3) ◽  
pp. 597-603 ◽  
Author(s):  
Xvsheng Qiao ◽  
Xianping Fan ◽  
Minquan Wang ◽  
Xianghua Zhang
Keyword(s):  
Near Infrared ◽  
Glass Ceramics ◽  
Oxyfluoride Glass ◽  
Infrared Luminescence

Greatly enhanced broadband near-infrared emission due to energy transfer from Cr3+ to Ni2+ in transparent magnesium aluminosilicate glass ceramics

2009 ◽  
Vol 24 (2) ◽  
pp. 310-315 ◽  
Author(s):  
Jin Luo ◽  
Shifeng Zhou ◽  
Botao Wu ◽  
Hucheng Yang ◽  
Song Ye ◽  
...  
Keyword(s):  
Energy Transfer ◽  
Near Infrared ◽  
Glass Ceramics ◽  
Infrared Emission ◽  
Aluminosilicate Glass ◽  
Nanocrystalline Phase ◽  
Doped Glass ◽  
Near Infrared Emission ◽  
532 Nm ◽  
Co Doped

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.

Enhanced broadband near-infrared luminescence in transparent silicate glass ceramics containing Yb3+ ions and Ni2+-doped LiGa5O8 nanocrystals

2008 ◽  
Vol 92 (4) ◽  
pp. 041110 ◽  
Author(s):  
Botao Wu ◽  
Jian Ruan ◽  
Jinjun Ren ◽  
Danping Chen ◽  
Congshan Zhu ◽  
...  
Keyword(s):  
Silicate Glass ◽  
Near Infrared ◽  
Glass Ceramics ◽  
Infrared Luminescence
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