Synthesis and up-conversion luminescence of Yb3 + –Ho3 + co-doped Na(Y1·5Na0·5)F6 nanorods

We present the optical up-conversion (UC) study for Yb 3 + –Ho 3 + co-doped Na(Y 1·5 Na 0·5 )F 6 nanorods synthesized by employing a facile hydrothermal method. Numbers of Ho 3 + ion up-conversion emissions have been observed under 980 nm infrared diode laser excitation. Three UC emissions of int...

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Veröffentlicht in:	Bulletin of materials science 2013-08, Vol.36 (4), p.513-516
Hauptverfasser:	ZHANG, YANG YI, DENG, JING QUAN, NI, SHOU CHUN
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry and Materials Science Engineering Ethanol Fluorides Infrared lasers Lasers Materials Science Morphology Nanorods Nitrates Radiation Scanning electron microscopy Semiconductor lasers Upconversion
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Zusammenfassung:	We present the optical up-conversion (UC) study for Yb 3 + –Ho 3 + co-doped Na(Y 1·5 Na 0·5 )F 6 nanorods synthesized by employing a facile hydrothermal method. Numbers of Ho 3 + ion up-conversion emissions have been observed under 980 nm infrared diode laser excitation. Three UC emissions of interest, ultraviolet, violet and blue, are specially identified at 359, 387, 418 and 483 nm, corresponding to , , and transitions, respectively. It is also found that the centre wavelength of blue UC emission shifts to 475 nm gradually as Ho 3 + concentration decreases. Lastly, a brief analysis about UC mechanism is demonstrated according to the experimental results.
ISSN:	0250-4707 0973-7669
DOI:	10.1007/s12034-013-0496-6