GRAFTING OF POLY(SODIUM STYRENESULFONATE) ONTO GOLD SURFACE FROM NaNO3 SOLUTION

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摘要 Thechemicalgraftingofthiolterminatedpoly(sodiumstyrenesulfonate)(HS-PSSS)chainsfromsodiumnitrate(NaNO3)saltsolutiontoagoldsurfacewasinvestigatedwithaquartzcrystalmicrobalancewithdissipationmonitoring(QCM-D)indifferentsaltconcentrations.ItwasfoundthatatlowsaltconcentrationgraftingdensityofHS-PSSSwaslowandthegraftedchainsadoptedamushroomconformation.Withtheincreaseofsaltconcentrationpolyelectrolytechainsunderwentatransitiontowardcoiledstateduetoreductionofelectrostaticrepulsionandasaresultmorechainsweregraftedonthesurface.WhenthegraftingdensityreachedacertainlimitafterwhichfurthergraftingcausedrepulsionbetweenalreadygraftedHS-PSSSchainsandasaresultgraftedchainsadoptedabrushconformation.
机构地区 不详
出版日期 2011年05月15日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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