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Hollow structure indium oxide nanometer fiber preparation method

A technology of nanofibers and indium oxide, which is applied in fiber types, fiber treatment, spinning solution preparation, etc., can solve problems that have not been reported yet, and achieve high yield, increase specific surface area, and environmental friendliness

Inactive Publication Date: 2015-07-22
QINGDAO UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Nanostructured indium oxide can be deposited by template method (Chem.Phys.Lett.334(2001)298; Adv.Mater.19(2007)1641), chemical vapor deposition method (Appl.Phys.Lett.82(2003)4146) , physical vapor deposition (Adv.Mater.15(2003)581), laser evaporation (Adv.Mater.15(2003)143), epitaxial growth (Adv.Mater.18(2006)234) and hydrothermal method (J .Nanopart.Res.15(2013)1452) and other methods, but there is no relevant report on the preparation of hollow structure indium oxide nanofibers. Therefore, it is seeking to design a simple and rapid preparation of hollow structure indium oxide nanofibers method, has good social significance and practical value

Method used

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  • Hollow structure indium oxide nanometer fiber preparation method
  • Hollow structure indium oxide nanometer fiber preparation method
  • Hollow structure indium oxide nanometer fiber preparation method

Examples

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Embodiment

[0015] In this example, the method of combining electrospinning and magnetron sputtering technology is used to prepare hollow structure indium oxide nanofibers. The specific steps include preparing polyvinylidene fluoride (PVDF) nanofibers, wrapping indium oxide and high temperature sintering to remove PVDF. step:

[0016] (1) Preparation of polyvinylidene fluoride (PVDF) nanofibers: Select a conventional electrospinning device suitable for the spinning solution of the present invention, select a preparation occasion where the ambient temperature is 20°C and the humidity is 25%RH, and use an electronic balance Weigh 2.0 g of polyvinylidene fluoride (PVDF), dissolve it in a mixed solvent composed of N,N dimethylformamide (DMF, 4.0 g) and acetone (4.0 g) at a mass ratio of 1:1, and Stir magnetically in a water bath at 60-80°C for 2-5 hours to obtain a uniform and transparent PVDF solution; then use the electrospinning device to perform electrospinning in the air according to the...

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Abstract

The invention belongs to the technical field of nanometer fiber material preparation, and relates to a hollow structure indium oxide nanometer fiber preparation method, which comprises the following three steps: preparing polyvinylidene difluoride (PVDF) nanometer fibers, wrapping indium oxide, and carrying out high temperature sintering to remove PVDF, wherein a PVDF solution is prepared, an electrostatic spinning device is adopted to carry out electrostatic spinning according to the conventional operation method to prepare PVDF nanometer fibers, the conventional magnetron sputtering method is adopted to wrap a layer of indium oxide on the surface of the PVDF fibers, the indium oxide wrapped PVDF fibers are placed in a muffle furnace to sinter, and the PVDF is completely decomposed to form the hollow structure indium oxide nanometer fibers. The preparation method has characteristics of simpleness, reliable principle, mature preparation technology, convenient operation, high yield, low cost, good product performance, and environmental protection.

Description

Technical field: [0001] The invention belongs to the technical field of nanofiber material preparation, and relates to a method for preparing hollow structure indium oxide nanofibers, using electrospinning fibers as templates, and realizing hollow structure indium oxide through the combination of electrospinning technology and magnetron sputtering technology Preparation of nanofibers. Background technique: [0002] With the in-depth research on nanofibers, nanofibers with special morphology structures such as ordered or cross-structured nanofibers, three-dimensional stacked nanofibers, coaxial nanofibers and hollow nanofibers Attention is getting higher and higher. In view of the broad application prospects of micro-nanofibers with hollow structures in catalysis, purification, separation, gas storage, energy conversion, drug sustained release, sensor devices and environmental protection, scientists have been exploring A method for preparing hollow nanofibers. At present, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F9/08D01F6/12D01D1/02D01D5/00D06M11/45D06M101/22
Inventor 龙云泽陈帅单福凯刘灵芝刘帅刘国侠张红娣孙彬
Owner QINGDAO UNIV
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