Graphene based catalysts

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1、ViewOnline/JournalHomepage/TableofContentsforthisissueEnergy&DynamicArticleLinksC

2、2012DOI:10.1039/c2ee22238hGraphenehasauniqueatom-thicktwo-dimensional(2D)structure,highconductivityandchargemobility,hugespecificsurfacearea,excellentmechanical,thermalandelectricalproperties.Thus,ithasbeenregardedasanimportantcomponentforfunctionalmateri

3、als,especiallyfordevelopingavarietyofcatalysts.Inthisreview,wesummarizetherecentadvancementsinsynthesizinggraphenebasednewcatalysts,andtheirapplicationsinorganicsynthesis,sensors,environmentalprotectionandenergyrelatedsystems.1.IntroductionCatalystscanbe

4、naturalorsyntheticmaterialssuchasenzymes,organiccompounds,metalsandmetaloxides.11–13CatalystsaresubstancesthatcanacceleratechemicalreactionsCarbonnanomaterialsincludingCarbonBlack,carbonnano-and/orimprovereactionselectivitywithoutconsumingthem-tubes(CNTs

5、),grapheneandtheirderivativesareimportantselves.1Incomparisonwithnon-catalyticcounterparts,thecomponentsofmanysyntheticcatalysts.Theyhavebeenusedascatalyzedreactionsperformthroughmoreenergyefficient14–19effectivecatalystsorassupportsofothercatalysts.Among

6、routes,inwhichreactantsareabletobeusedmoreefficiently,thecarbonmaterialsdescribedabove,graphenehasrecentlyandundesiredproductsandpollutantsarepossibletobe20–22attractedthemostintensiveattention.Thisismainlyduetoreduced.1,2Hence,theapplicationsofcatalystsa

7、reimportantforthefactthatgraphenehasseveralgenuineadvantagesoverotherusingourlimitedresourcesinanenvironmentallyresponsiblecarbonallotropesfordevelopingnewcatalysts.First,graphenemanner,impactingheavilyonourdailylives.3Forexample,21Downloadedon15Novembe

8、r2012hasatheoreticalspecificsurfaceareasashighas2600mg,catalystshavebeenusedinsynthesizingnewpharmaceuticalsbeingtwicethatofsinglewalledCNTsandmuchhigherthanthatimproveourhealth.4Catalystsarewidelyappliedinsystemsthoseofmo