Synthesis and Fluorescence Quantum Yield of Gd1-xEuxOOH Crystals


Eu3+-doped gadolinium oxyhydroxide Gd1-xEuxOOH crystals were synthesized by the flux method. The X-ray diffraction data for the crystals were well refined assuming a monoclinic structure with the P21/m space group. Gd1-xEuxOOH (x ≤ 0.2) crystals showed strong red emission, and the highest fluorescence quantum yield (Φf) was 0.27, obtained for x = 0.10. Φf decreased rapidly as the Eu3+ content x increased above 0.2, owing to concentration quenching. Analysis with a percolation model indicated three-dimensional energy transfer between the Eu3+ ions.

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Samata, H. , Itakura, D. , Imanaka, S. and Ozawa, T. (2014) Synthesis and Fluorescence Quantum Yield of Gd1-xEuxOOH Crystals. Journal of Materials Science and Chemical Engineering, 2, 23-29. doi: 10.4236/msce.2014.23003.

Conflicts of Interest

The authors declare no conflicts of interest.


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