Photofunctional Rare Earth Hybrid Materials Based on Functionalized Microporous Zeolites

Author(s):  
Bing Yan
Keyword(s):  
2014 ◽  
Vol 884-885 ◽  
pp. 247-250 ◽  
Author(s):  
Kai Sheng ◽  
Jie Lin Wang ◽  
Ying Li ◽  
Yi Han Wang ◽  
Meng Xue Xu ◽  
...  

Selecting lactam 2,6-pyridinedicarboxamide (PDCA) as the ligand and 1,4-butanediol as chain extender, we prepare polyurea polyurethane PDCA-PU; then, introduction of rare earth ion Eu3+ and small molecule ligands 1,10-phenanthroline (phen), synthesized binary and ternary polyurethane composite containing Eu3+, and comparing the fluorescence properties of the material. We investigated the thermal stability and luminescence properties of hybrids and found that the ternary hybrid materials exhibit better thermal stability and stronger emission intensity.


2014 ◽  
Vol 2 (45) ◽  
pp. 19415-19426 ◽  
Author(s):  
Joris Roosen ◽  
Jeroen Spooren ◽  
Koen Binnemans

Functionalized chitosan–silica hybrid materials were synthesized, characterized and used for adsorption of rare-earth ions. These adsorbents can be used for the separation of mixtures of rare-earths.


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