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《Controlled synthesis and wastewater treatment ofAg2OTiO2 modified chitosan-based photocatalytic控制合成与废水处理 Ag2O_TiO2改性壳聚糖基光催化 电影》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、RSCAdvancesViewArticleOnlinePAPERViewJournal
2、ViewIssueControlledsynthesisandwastewatertreatmentofAg2O/TiO2modifiedchitosan-basedphotocatalyticCitethis:RSCAdv.,2017,7,11211filmYilinZhao,ChengranTao,GangXiaoandHaijiaSu*AnovelAg2O/TiO2-modifiedchitosan-based
3、photocatalyticfilmwithhighadsorptionandphotocatalyticactivitywassynthesizedundersimulatedsolarirradiation,baseduponthecouplingofthesynergisticcatalytictechniqueofnanoAg2O/TiO2andmembraneseparation.XRD,XPS,FESEM,andTEMcharacterizationresultsillustratedth
4、attheAg2Onanoparticleswithasmallsizeof3–5nmdepositedonthesurfaceofTiO2.Subsequently,Ag2O–TiO2nanoheterojunctions,aswholegraft-structures,werecoatedonachitosan-basedpolypropylenefilm.Theas-synthesizedphotocatalyticfilmwithawideReceived24thNovember2016visi
5、ble-lightadsorptionbandandlowerbandgapof2.4eVenhancedthedegradationabilityforbothAccepted6thFebruary2017ampicillinandmethylorangeowingtothesynergisticeffectofAgO2/TiO2nanoheterojunctions.CreativeCommonsAttribution-NonCommercial3.0UnportedLicence.DOI:10.
6、1039/c6ra27295aMoreover,thephotocatalyticfilmdisplayedexcellentrecyclingpropertiesforthedegradationofmethylrsc.li/rsc-advancesorangebybeingreusedfor5timeswithoutlosingitsphotocatalyticactivity.relativelylow-pricedandhighefficiency.16AgOnanoparticles,1.Int
7、roduction2abrownpowderwithanarrowbandgapof1.3eV,areefficientPersistentorganicpollutants(POPs)arecausingconcernedelectronabsorbingagentsunderUVlightirradiationandsensitizerstoturnUVlightresponseintothevisibleregion.17–19amongthescienticcommunityduetothei
8、rpersistenceintheenvironment.1ThephotocatalyticprocessofnanoTiOhasBesides,Ag2Ohasbeenusedinvariouselds,asamildoxidant,2Thisarticleislicensedunderawatercleaningagent,andcatalyst.20TheadvantagesofAgOshowntremendouspotentialasahigh-efficiency,low-cost,high
9、2physical-chemicalstableandenvironmentallyfriendlytech-impelanovelstrategyofcombiningAg2OandTiO2forsuperiornologytodegradePOPsinwastewater.2,3Underultraviolet(UV)photocatalystsinthevisiblelightregion.OpenAccessArticle.Publishedon13Febru