Intense Green Upconversion Luminescence in Er3+:Yb3+ Codoped Fluorophosphate Glass Ceramic Containing SrTe5O11 Nanocrystals

Chin. Phys. Lett.

2007, Vol. 24

Issue (10): 2945-2946 DOI:

Original Articles

Intense Green Upconversion Luminescence in Er³⁺:Yb³⁺Codoped Fluorophosphate Glass Ceramic Containing SrTe₅O₁₁Nanocrystals

ZHANG Li-Yan¹;XU Shi-Qing¹;HU Li-Li²

¹Institute of Optoelectronic Materials and Devices, School of Materials, China Jiliang University, Hangzhou 310018²Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800

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ZHANG Li-Yan, XU Shi-Qing, HU Li-Li 2007 Chin. Phys. Lett. 24 2945-2946

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Abstract Er³⁺:Yb³⁺ codoped tellurite-fluorophosphate (TFP) glass ceramic exhibits much stronger upconversion luminescence. The intensity of the 540nm green light and 651nm red light of the TFP glass ceramic is 120 times and 44 times stronger than that of the fluorophospahte (FP) glass, respectively. XRD analysis shows that the nanocrystal in TFP glass ceramic is SrTe₅O₁₁. TFP glass ceramic also displays much higher upconversion fluorescence lifetime and crystallization stability. The narrow and strong peak at 540nm is very
ideal for practical upconversion luminescence realization. This work is a new trial for exploring non-PbF₂ involved nanocrystal upconversion glass ceramics.

Keywords: 73.43.Fj 74.25.Gz 73.61.Jc 78.20.-e

Received: 23 March 2007 Published: 20 September 2007

PACS:	73.43.Fj	(Novel experimental methods; measurements)
	74.25.Gz	(Optical properties)
	73.61.Jc	(Amorphous semiconductors; glasses)
	78.20.-e	(Optical properties of bulk materials and thin films)

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	ZHANG Li-Yan
	XU Shi-Qing
	HU Li-Li

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