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Preparation of Poly (ethylene oxide)(PEO)Modified Tungsten Oxide Hybrid Films via Sol-Gel Processing
作者姓名:袁坚
作者单位:ShanghaiJiaotongUniversity WuhanUniversityofTechnology
基金项目:FundedbytheNationalNaturalScienceFoundationofChina (N0 .5 980 2 0 10 )
摘    要:1 IntroductionThesol gelmethodhasattractedspecialinterestre centlyinthepreparationtechnologyofnewmaterialspre paredbycombiningorganicandinorganicmaterials1,2 ] .Thesol gelprocessisbasicallyahydrolysisandcondensa tionpolymerizationreactionofmolecularprecurs…


Preparation of Poly (ethylene oxide)(PEO)Modified Tungsten Oxide Hybrid Films via Sol-Gel Processing
YUAN Jian , SHANGGUAN Wenfeng LIU Ming zhi OUYANG shi xi Shanghai Jiaotong University Wuhan University of Technology China Buliding Materials Academy.Preparation of Poly (ethylene oxide)(PEO)Modified Tungsten Oxide Hybrid Films via Sol-Gel Processing[J].Journal of Wuhan University of Technology. Materials Science Edition,2003(1).
Authors:YUAN Jian  SHANGGUAN Wenfeng LIU Ming zhi OUYANG shi xi Shanghai Jiaotong University Wuhan University of Technology China Buliding Materials Academy
Affiliation:YUAN Jian 1,2) SHANGGUAN Wenfeng 1) LIU Ming zhi 2) OUYANG shi xi 3) 1) Shanghai Jiaotong University 2) Wuhan University of Technology 3) China Buliding Materials Academy
Abstract:Poly (ethylene axide) (PEO) modified WO 3 thin films were prepared on glass substrates with special temperature.The sol gel transition proess was investigated by using DTA-TG,SEM and XRD.The electrochemical characteristic of the films was studied by cyclic voltmmetry measurement.The results show that PEO has heavy effects on the crystallization of WO 3 during structure evolution because of the interaction between PEO and WO 3.It increases the crystallization temperature of the gels and thus improves the electrochemical properties and cyclic life of WO 3 film as electrochromic materials.
Keywords:sol gel dipcoating films  electrochromic  PEO  WO 3
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