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1、ViewOnline/JournalHomepage/TableofContentsforthisissueRSCAdvancesDynamicArticleLinksCitethis:RSCAdvances,2012,2,8821–8826www.rsc.org/advancesPAPERGrapheneoxide-ironoxideandreducedgrapheneoxide-ironoxidehybridmaterialsfortheremovaloforganicandinorganicpollutants{XinYang,Changlu
2、nChen,*JiaxingLi,GuixiaZhao,XuemeiRenandXiangkeWang*Received9thMay2012,Accepted25thJuly2012DOI:10.1039/c2ra20885gGrapheneoxide(GO)andreducedgrapheneoxide(RGO)werebothdecoratedwithironoxidenanoparticlesandwerecharacterizedbyscanningandtransmissionelectronmicroscopy,powderX-rayd
3、iffraction,Fouriertransforminfraredspectroscopy,andX-rayphotoelectronspectroscopy.TheadsorptionofPb(II),1-naphthol,and1-naphthylamine,asrepresentativesofinorganicandorganicpollutants,onGO-ironoxidesandRGO-ironoxideswasinvestigated.TheresultsshowedthattheGO-ironoxidematerialwas
4、agoodadsorbentforPb(II)butnotfor1-naphtholand1-naphthylamineduetooxygen-containinggroupsonthesurface,whereastheRGO-ironoxidematerialwasagoodadsorbentfor1-naphtholand1-naphthylaminebutnotforPb(II).Theadsorptionof1-naphtholand1-naphthylamineonRGO-ironoxideswasanendothermicandspo
5、ntaneousprocess.Bothmaterialscanbeeasilyseparatedbymagneticseparation.21.Introductionintercalatingwatermolecules.Rameshaetal.observedthatGOwasexcellentmaterialfortheadsorptionofcationicdyes,whileGraphene,afascinatingtwodimensionalcarbon-basedmaterialreducedgrapheneoxide(RGO)wo
6、rkedverywellforanionicpossessingatomicthickness,hasattractedenormousattentiondyes.Inourearlierreports,7,8few-layeredGOandsulfonatedDownloadedon19October2012fromresearchers.Owingtoitslayeredstructure,graphenehasgraphenenanosheetsweresynthesizedandusedtoremove2211largetheoretica
7、lspecificsurfacearea(y2630mg).Thispersistentaromaticpollutants.ThesestudiesrevealthatthesuperiorityallowsgraphenetobeusedasanoveladsorbentforgraphenenanosheetsmaybepromisingmaterialstoseparatePublishedon26July2012onhttp://pubs.rsc.org
8、doi:10.1039/C2RA20885Genvironmentalpolluta
9、ntremoval.Grapheneandgrapheneoxidepollutantsfromwastewater.Ho
