Solvothermal Synthesis and White Up\|conversion Luminescence Properties of La0.789Yb0.20Ho0.001Tm0.01F3 Nanocubes

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (8): 1692.

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Solvothermal Synthesis and White Up\|conversion Luminescence Properties of La0.789Yb0.20Ho0.001Tm0.01F3 Nanocubes

DE Gejihu^1,2*, SI Qin¹, MENG Genlabuqi¹

1. College of Chemistry and Environment Science,
2. Inner Mongolia Key Laboratory of Physics and Chemistry of Functional Materials, Inner Mongolia Normal University, Hohhot 010022, China

Received:2010-11-11 Revised:2011-04-05 Online:2011-08-10 Published:2011-07-19
Contact: DE Gejihu E-mail:degjh@imnu.edu.cn
Supported by:
国家自然科学基金(批准号: 20863005)和内蒙古自然科学基金(批准号: 20080404MS0806)资助.

Abstract

Abstract: La0.789Yb0.20Ho0.001Tm0.01F3 nanocube was synthesized through a hydrothermal method. The crystal structure, composition and morphology of the sample were characterized using X-ray powder diffraction, electron microscopy, high-resolution transmission and energy dispersive X-ray spectroscopy measurements. At the same time, the up-conversion spectra of the sample were measured using F-4600 fluorescence spectrophotometer with single-wavelength diode laser (980 nm) at room temperature. The results show that emissions of red, green and blue were observed for the synthesized sample. The red, green and blue emissions were attributable to 1G4 → 3F4 (or 5F5 → 5I8), 5F5 → 5I8, and 1G4 → 3H6 transitions, respectively, the combination of which resulted in a white emission. The calculated color coordinates demonstrate that white the light can be achieved in a wide range of pumping powers. The sample obtained in the present work is believed to have potential applications in the field of displays, lasers, photonics, and biomedicine.

Key words: Hydrothermal synthesis, LaF3 Nanocube, White up\, conversion luminescence

CLC Number:

O614.33

TrendMD:

DE Gejihu1,2*, SI Qin1, MENG Genlabuqi1. Solvothermal Synthesis and White Up\|conversion Luminescence Properties of La0.789Yb0.20Ho0.001Tm0.01F3 Nanocubes[J]. Chem. J. Chinese Universities, 2011, 32(8): 1692.

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Solvothermal Synthesis and White Up\|conversion Luminescence Properties of La0.789Yb0.20Ho0.001Tm0.01F3 Nanocubes

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