An efficient energy transfer process in Nd3+:Yb3+ co-doped SrF2 powders containing Al3+ and prepared by the combustion synthesis technique

2016 ◽  
Vol 4 (23) ◽  
pp. 5442-5447 ◽  
Author(s):  
Nikifor Rakov ◽  
Glauco S. Maciel

Near-infrared photon down-shifting via energy transfer from Nd3+ to Yb3+ in SrF2 crystalline powders prepared by combustion synthesis.

2018 ◽  
Vol 22 (09n10) ◽  
pp. 777-783 ◽  
Author(s):  
Jian Yang ◽  
Fang-Jian Cai ◽  
Xue-Mei Yuan ◽  
Ting Meng ◽  
Guo-Xiang Xin ◽  
...  

A star-shaped molecule was designed and synthesized based on a known central truxene platform. Two BODIPY derivatives and one corrole macrocycle were introduced and connected to the 2, 7 and 12-positions of the truxene unit by Suzuki coupling. The dyad was fully characterized by UV-vis absorption, proton nuclear magnetic resonance, mass spectrometry. The direction of energy transfer upon electronic excitation was explored, and the star-shaped molecule system exhibits a highly efficient photoinduced energy transfer process from the excited BODIPY part to the corrole unit.


2014 ◽  
Vol 2 (14) ◽  
pp. 2482 ◽  
Author(s):  
Beibei Xu ◽  
Jianhua Hao ◽  
Qiangbing Guo ◽  
Juechen Wang ◽  
Gongxun Bai ◽  
...  

2000 ◽  
Vol 15 (2) ◽  
pp. 278-281 ◽  
Author(s):  
Yong Gyu Choi ◽  
Kyong Hon Kim ◽  
Yong Seop Han ◽  
Jong Heo

We have demonstrated that an efficient energy transfer takes place from Yb3+ to Cr4+ in calcium aluminate glasses. Yb3+ improves excitation efficiency at around 980 nm, enhancing emission intensity of Cr4+ fluorescence at 1.2–1.6 μm. Nonradiative energy transfer via electric dipole–dipole interaction between ytterbium and chromium ions was found to be dominant over radiative Yb3+ → Cr4+ energy transfer. A diffusionlimited energy transfer mechanism well explains the decay behavior of Yb3+/Cr4+- codoped glasses. This codoping scheme may be applicable to other Cr4+-containing crystals and glasses.


2019 ◽  
Vol 215 ◽  
pp. 116670 ◽  
Author(s):  
Xubo Tong ◽  
Jin Han ◽  
Zhe Cheng ◽  
Pianpian Wu ◽  
Xinmin Zhang

2015 ◽  
Vol 3 (16) ◽  
pp. 4197-4204 ◽  
Author(s):  
Mingyue Chen ◽  
Zhiguo Xia ◽  
Quanlin Liu

The energy transfer process from Ce3+ to Tb3+ in Ca6Ba(PO4)4O and its mechanisms have been studied.


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