YPO4∶Ho3+, Yb3+, Tm3+微纳米管的合成及上转换白光发射

doi:10.3964/j.issn.1000-0593(2012)10-2642-05

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Abstract Tm³⁺, Ho³⁺, Yb³⁺ co-doped YPO₄ micro-nano tubes were synthesized by hydrothermal method. Under the 980 nm near infrared(NI) excitation, the micro-nano tubes emitted red, green, blue visible light and a near infrared emission centered at 795 nm. The optical properties and structure of the synthesized Tm³⁺, Ho³⁺, Yb³⁺ co-doped YPO₄ micro-nano tubes were characterized by testing the TEM, XRD and fluorescence spectra. The results showed that the micro-nano tubes are pure hexagonal phase. The hydrothermal temperature had obvious effect on fluorescence spectra but little effect on phase. The intensity of the emission peaks didn’t increase with the concentration of doping ions monotonously under the same reaction temperature, but changed non-monotonously due to the concentration quenching and cross relation. The possible upconversion(UC) mechanism was discussed in this paper. This UC emission intensity controllable fluorescent material has potential application in three dimension solid display, UC illumination, fluorescence detection and some other fields.

Key words：Upconversion;YPO₄ micro-nano tube;Cross relaxation;Fluorescence spectra

Received: 2012-03-06 Accepted: 2012-06-21

ZTFLH:

O432.31

Corresponding Authors: GAO Yong-yi E-mail: gaoyongyi2011@163.com

Cite this article:

ZHAN Shi-ping,GAO Yong-yi,HUANG Hai, et al. Synthesis and White Light Emission Upconversion of Tm³⁺, Ho³⁺, Yb³⁺ Co-Doped YPO₄ Micro-Nano Tubes [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(10): 2642-2646.

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https://www.gpxygpfx.com/EN/10.3964/j.issn.1000-0593(2012)10-2642-05 OR https://www.gpxygpfx.com/EN/Y2012/V32/I10/2642

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