Synthesis and formation mechanism of NiO@SnO2@TiO2 coaxial trilayered nanocables by electrospinning technique

摘要

[Ni(CH3COO)2+PVP]@[SnCl4+PVP]@[Ti(OC4H9)4+CH3COOH+PVP]precursorcompositecableshavebeenfabricatedthroughmodifiedelectrospinningequipment.NiO@SnO2@TiO2coaxialtrilayerednanocableswereobtainedbycalcinationoftherelevant[Ni(CH3COO)2+PVP]@[SnCl4+PVP]@[Ti(OC4H9)4+CH3COOH+PVP]precursorcompositecables.Thesampleswerecharacterizedbyuseofthermogravimetric-differentialthermalanalysis(TG-DTA),X-raydiffractometry(XRD),Fouriertransforminfraredspectroscopy(FTIR),Scanningelectronmicroscopy(SEM)andenergydispersivespectroscopy(EDS),andTransmissionelectronmicroscopy(TEM).ExperimentalresultsshowedthatthecorelayerisNiO,themiddlelayerisSnO2andtheouterlayerisTiO2.FinalythesynthesismechanismofNiO@SnO2@TiO2coaxialtrilayerednanocableswaspreliminarilyproposed.