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Fabrication by Electrospinning, Characterization and Property of One-Dimensional Nanostructures of Materials

Author: XueJiang
Tutor: YangKuiSheng；MengJian
School: Changchun University of Science and Technology
Course: Materials Science
Keywords: Fe3O4-ZnO composite nanofibers The SrTiO3 micro nanofibers Electrospinning Photocatalytic
CLC: TB383.1
Type: Master's thesis
Year: 2010
Downloads: 177
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Abstract


This paper systematically studied in two parts : of SrTiO3 micro- nanomaterials electrospinning technique combined with a sol - gel preparation , characterization and photocatalytic properties ; of Fe3O4 - ZnO composite nano fiber electrospinning technique combined with polymer line template Preparation and characterization . (1) strontium acetate , tetrabutyl titanate , and polyvinylpyrrolidone (PVP) as raw material , through electrospinning technique combined with sol - gel prepared by the one-dimensional SrTiO3 micro nanomaterials . Nanofibers obtained were characterized by XRD, SEM, differential thermal - thermal gravimetric analyzer , the results show that the peaks of the obtained product has no impurity peaks , the successful synthesis of pure SrTiO3 nanomaterials , fiber diameter distribution between 50-400 nm typical diameter of about 100 nm . In addition , studies have shown that , SrTiO3 micro nanofibers has good photocatalytic properties . ( 2 ) , (PS) , polyacrylonitrile line template , Fe3O4 and ZnO nanopowder spun Fe3O4-ZnO composite nanofibers by electrospinning technology . Fe3O4-ZnO composite nanofibers obtained , characterized by means of XRD, SEM, TEM , the results show that the uniformly dispersed Fe3O4 and ZnO composite nanofibers . Magnetic studies show that the composite nanofibers of the Fe3O4 -ZnO- shows excellent soft magnetic properties , preferably paramagnetic characterized ; spectroscopy show that the excitation spectrum of the peak position occur due to Fe3O4 added ZnO offset fluorescence intensity changed. In addition , improved electrospinning device was prepared Fe3O4 and Fe3O4-ZnO composite nanofibers aligned .

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CLC: > Industrial Technology > General industrial technology > Materials science and engineering > Special structural materials
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