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A method of hydrothermally preparing samarium borate nanowires

A technology of nanowires and samarium borate, applied in the field of nanomaterial preparation

Active Publication Date: 2019-02-22
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But there is no hydrothermal method for SmBO 3 synthetic report

Method used

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  • A method of hydrothermally preparing samarium borate nanowires
  • A method of hydrothermally preparing samarium borate nanowires
  • A method of hydrothermally preparing samarium borate nanowires

Examples

Experimental program
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Embodiment 1

[0021] Measure 30ml of 0.08M Sm(NO 3 ) 3 Solution, add 0.2g of sodium oleate, ultrasonically dissolve, add 40ml of 0.08M borax solution dropwise, stir for 1h, transfer to a reaction kettle, react at 200°C for 16h, centrifuge and wash the obtained product. The structural characteristics and performance characteristics of gained samarium borate are as follows figure 1 , figure 2 , image 3 , Figure 4 shown.

Embodiment 2

[0023] Measure 30ml of 0.08M Sm(NO 3 ) 3 Solution, add 0.2g of sodium oleate, ultrasonically dissolve, add 40ml of 0.08M borax solution dropwise, stir for 1h, transfer to a reaction kettle, react at 200°C for 8h respectively, centrifuge and wash the obtained product. The structural characteristics of gained samarium borate are as Figure 5 , Image 6 shown.

Embodiment 3

[0025] Measure 30ml of 0.08M Sm(NO 3 ) 3 The solution was ultrasonically dissolved, and 40ml of 0.08M borax solution was added dropwise, stirred for 1h, transferred to a reaction kettle, and reacted at 200°C for 8h respectively, and the obtained product was centrifuged and washed. The structural characteristics of gained samarium borate are as Figure 7 , Figure 8 shown.

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Abstract

The invention provides a simple preparation method of a SmBO3 nanowire. The method is mianly characterized by preparing the nanowire SmBO3 by use of borax and Sm(NO3)3 as raw materials and hydrothermal process under the condition of adding a sodium oleate modifier. The main principle is as follows: an anionic surfactant sodium oleate can form a certain coordination with the Sm<3+> ion in the Sm(NO3)3 solution in the hydrothermal process, thereby forming the nano samarium oxide; under the protection effect of the sodium oleate and along the prolonging of the reaction time, the samarium oxide is reacted with the borate in the solution to generate the SmBO3 nanowire. The method provided by the invention is characterized in that: the obtained SmBO3 nanowire has multiple strong absorption peaks in the infrared area, particularly, the absorption at the 1064cm<-1> wavelength is the strongest, and can be used as a wave-absorbing material.

Description

technical field [0001] The invention relates to a preparation method for preparing samarium borate nanowires by using a hydrothermal method, and belongs to the technical field of preparation of nanometer materials. Background technique [0002] The electronic structure and chemical properties of rare earth elements are similar. Due to the different number of electrons in the 4f layer, each rare earth element has its own different properties. Rare earth materials with the same structure or system can have many different physical and chemical properties. With the continuous understanding and research of rare earth elements by researchers, rare earth elements have unique applications in optical materials, magnetic materials, electronic materials, biological materials, nuclear materials, etc. The configuration energy levels of trivalent rare earth ions can reach more than 3400, and the transitions between dense energy levels can form a wide range of spectra. SM 3+ The energy l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B35/12B82Y40/00
CPCC01B35/127C01P2002/72C01P2002/84C01P2004/03C01P2004/04C01P2004/16
Inventor 单妍张保龙于薛刚陈克正
Owner QINGDAO UNIV OF SCI & TECH
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