Method for preparing europium-doped sulfur oxide gadolinium light-emitting nanometer fiber

Abstract

The invention relates to a method for preparing a europium-doped sulfur oxide gadolinium light-emitting nanometer fiber and belongs to the technical field of preparation of nanometer materials. The invention aims at the problem that a europium ion-doped sulfur oxide gadolinium light-emitting nanometer particle, a nanometer tube, a nanometer wire, a nanometer rod, a nanometer flower and a polyhedral nanometer crystal are prepared in the prior art. A Gd2O2S: 5 percents of Eu3+nanometer fiber is prepared by adopting a method of combining an electro-spinning technology and a vulcanization technology. The preparation method comprises the two steps of: firstly, preparing a Gd2O3: 5 percents of Eu3+nanometer fiber: preparing a PVP/[Gd(NO3)3+Eu(NO3)3] composite nanometer fiber by adopting the electro-spinning technology and then carrying out heat treatment to obtain the Gd2O3: 5 percent of Eu3+nanometer fiber; and secondly, preparing the Gd2O2S: 5 percent of Eu3+nanometer fiber: vulcanizing the Gd2O3: 5 percent of Eu3+nanometer fiber with sulphur by adopting a double-crucible method to obtain the pure-phased Gd2O2S: 5 percent of Eu3+nanometer fiber. The obtained Gd2O2S: 5 percent of Eu3+nanometer fiber has good crystal forms and also has a diameter of 118-160 nm and a length of greater than 100mu m. The preparation method is simple and easy and is suitable for batch production. The europium-doped sulfur oxide gadolinium light-emitting nanometer fiber is a novel important red nanometer fluorescent material and has wide application prospect.

Description

technical field [0001] The invention relates to the technical field of nanomaterial preparation, in particular to a method for preparing europium-doped gadolinium oxysulfide luminescent nanofibers. Background technique [0002] Nanofiber refers to a linear material with two dimensions in the nanoscale on the three-dimensional space scale of the material, usually the radial dimension is on the order of nanometers, and the length is relatively large. Since the radial scale of nanofibers is as small as nanometers, it shows a series of characteristics, the most prominent is the large specific surface area, which increases its surface energy and activity, and then produces small size effects, surface or interface effects, and quantum size effects. , macroscopic quantum tunneling effect, etc., and therefore exhibit a series of chemical and physical (heat, light, sound, electricity, magnetism, etc.) aspects of specificity. In the prior art, there are many methods for preparing nan...

AI Technical Summary

Problems solved by technology

At present, there is no preparation of Gd by electrospinning technology. 2 o 2 S:Eu 3+ Related reports on nanofibers

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