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1、ChemCommViewArticleOnlineCOMMUNICATIONViewJournal
2、ViewIssueModifieddepositionprocessofelectrontransportlayerforefficientinvertedplanarperovskitesolarCitethis:Chem.Commun.,2015,51,8986cells†Received21stFebruary2015,aaaaaaAccepted9thApril2015HuaDong,‡ZhaoxinWu,‡*BinXia,JunXi,Fan
3、gYuan,ShuyaNing,baLixinXiao*andXunHouDOI:10.1039/c5cc01483bwww.rsc.org/chemcommAhighly-efficientinvertedheterojunctionperovskitesolarcellwasfilmswithincompleteandnon-homogeneouscoverageviaone-stepprepared.Ahomogeneousandcompactperovskite(CH3NH3PbI3)spin-coatinghasusuallybeenob
4、servedinplanarperovskitesolarlayerwaspreparedviaatwo-stepsolutiondepositionmethod,andcells,andthesesubsequentdisadvantageshavebeenregardedas16,17subsequentlyadouble-layerPCBMfilmwasdepositedbyasequentialthebarrierwhichresultsindecreaseddeviceperformance.spin-coating/vapordep
5、ositionprocessastheelectrontransportlayer.ManyeffortshavebeenmadetocontrolthemorphologyofTheoptimiseddevicecouldachievea12.2%(average11.09%)efficiency.perovskitethinfilms.Variousmodifiedone-stepspin-coatingdepositionmethodshavebeeninvestigated,suchasaddingHybridorganometalhalid
6、eperovskitesolarcellshavereceivedDIOandGBLasadditivestoachieveahighcoverageperovskite17,18muchattentionduetotheirsuperiorintrinsicpropertiesforlayer.However,thebarenessandinhomogeneityproblemssolarenergyconversion.Thistypeofsolarcellwasfirstreportedstillcannotbecompletelyavo
7、ided.Bolinketal.proposedanbyMiyasakaetal.withapowerconversionefficiency(PCE)ofevaporation/sublimationmethod,achievingasolarcellwith>12%144%,anddespiteonlyseveralyearselapsing,theefficiencysoonefficiency.Thosestudiesdemonstratedthegreatpotentialof2–5evolvedtoover19%.Thehybridperovs
8、kitematerialsexhibittheperovskite–PCBMarchitecture.However,thecomplicatedappealingfeaturessuchashighabsorptioncoefficients,excellentandrigorousfabricationprocessoftheperovskitelayermayplace6–8ambipolarchargemobilityandappropriatebandgaps.Moreover,constraintsonitsapplication,
9、andmeanwhilethemonitoringandthesimplecellconfigurationandlowcostfabrication
