Controlled synthesis and wastewater treatment of Ag2O_TiO2 modified chitosan-based photocatalytic film英文

Controlled synthesis and wastewater treatment of Ag2O_TiO2 modified chitosan-based photocatalytic film英文

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時(shí)間：2019-08-08

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1、RSCAdvancesViewArticleOnlinePAPERViewJournal

2、ViewIssueControlledsynthesisandwastewatertreatmentofAg2O/TiO2modi?edchitosan-basedphotocatalyticCitethis:RSCAdv.,2017,7,11211?lmYilinZhao,ChengranTao,GangXiaoandHaijiaSu*AnovelAg2O/TiO2-modi?edchitosan-basedphotocatalytic?lmw

3、ithhighadsorptionandphotocatalyticactivitywassynthesizedundersimulatedsolarirradiation,baseduponthecouplingofthesynergisticcatalytictechniqueofnanoAg2O/TiO2andmembraneseparation.XRD,XPS,FESEM,andTEMcharacterizationresultsillustratedthattheAg2Onanoparticleswithasmallsize

4、of3–5nmdepositedonthesurfaceofTiO2.Subsequently,Ag2O–TiO2nanoheterojunctions,aswholegraft-structures,werecoatedonachitosan-basedpolypropylene?lm.Theas-synthesizedphotocatalytic?lmwithawideReceived24thNovember2016visible-lightadsorptionbandandlowerbandgapof2.4eVenhancedt

5、hedegradationabilityforbothAccepted6thFebruary2017ampicillinandmethylorangeowingtothesynergistice?ectofAgO2/TiO2nanoheterojunctions.CreativeCommonsAttribution-NonCommercial3.0UnportedLicence.DOI:10.1039/c6ra27295aMoreover,thephotocatalytic?lmdisplayedexcellentrecyclingp

6、ropertiesforthedegradationofmethylrsc.li/rsc-advancesorangebybeingreusedfor5timeswithoutlosingitsphotocatalyticactivity.relativelylow-pricedandhighe?ciency.16AgOnanoparticles,1.Introduction2abrownpowderwithanarrowbandgapof1.3eV,aree?cientPersistentorganicpollutants(POPs

7、)arecausingconcernedelectronabsorbingagentsunderUVlightirradiationandsensitizerstoturnUVlightresponseintothevisibleregion.17–19amongthescienticcommunityduetotheirpersistenceintheenvironment.1ThephotocatalyticprocessofnanoTiOhasBesides,Ag2Ohasbeenusedinvariouselds,asam

8、ildoxidant,2Thisarticleislicensedunderawatercleaningagent,andcatalyst.20TheadvantagesofAgOshowntremendouspotentialasahigh-e?ciency,low-cost,high2physical-chemicalstableandenvironmentallyfriendlytech-impelanovelstrategyofcombiningAg2OandTiO2forsuperiornologytodegradePOPs

9、inwastewater.2,3Underultraviolet(UV)photocatalystsinthevisiblelightregion.OpenAccessArticle.Publishedon13Febru

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