高效能的HIT太阳能电池研究

HITAbstract:HeterojunctionwithIntrinsicThinLayer(HIT)solarcellshavecombinatedthecharacteristicsofamorphoussiliconandmonocrystallinesiliconsolarcells,withlowtemperaturepreparation,highconversionefficiencyandexcellenttemperaturecoefficientandsoon.FromthestructureandprincipleofHIT,themakingandpreparingprocedurehavebeendiscussed.ThewaystoenhancetheefficiencyofHITsolarcellalsohavebeenanalyzed.Keywords:HITsolarcell;amorphoussilicon;monocrystallinesilicon;efficiencyHIT(HeterojunctionwithIntrinsicThinLayer)HITHIT1.HIT(HeterojunctionwithIntrinsicThinLayer)(1)(200)(900)PN,a-Si(2)HIT(3)HIT(4)HIT“”100HIT18%SanyoHIT22.3%[1]R.M.Swanson25%[2]2.HIT2.1HIT1-1HITFig.1-1SchematicdiagramofaHITsolarcell1-1HITSi-pSi(5~10nm)Si-nSi(5~10nm)nSiHIT2.2HITpnp-nn()pp()nnpHITppnp-npnnpnpHIT3.HITnHIT(1)nnnp-n(2)a-Si:Ha-Si:HHITHIT()c-Sia-Si:HPECVD[3]a-Si:HHIT(3)(TCO)TCOTCOTCOHITTCOITOZnO[4][5](4)TCOHIT2-12-1HITFig.2-1ProcesschainofHITsolarcells4.HIT1974a-Si10%1990HIT1991a-Si:Huc-SiC-Si1994HIT18.7%Voc:638mV,Isc:37.9mA/cm2,FF:0.755,?:18.7%1998/2000100cm220.7%12MW4.2%2003100cm221.3%Isc:38.6mA/cm2,Voc:717mV,FF:0.7702007a-Si/c-Sic-SiHIT22.3%Voc:0.725V,Isc:39.2mA/cm2,FF:0.791,100.5cm2,AIST2008923HITn85,20095[6]HIT23%HIT(1)a-Sia-Si:H/µ-Si(2)c-Si(3)a-Si(4)5.HITHITHIT[1]S.Taira,Yoshimine,T.Baba,etal.OurapproachesforachievingHITsolarcellswithmorethean23%efficiency.In:G.Woleke,H.Ossenbrink,P.Helm.eds.Proceedomgsofthe22ndEuropeanPhotovoltaicSolarEnergyConference.Munich:WIP-RenewableEnergies,2007,932-935[2]R.M.Swanson.Approachingthe29%limitefficiencyofsiliconsolarcells.In:PhotovoltaicSpecialistsConference,ConferenceRecordoftheThirty-firstIEEE.Floride:Orlando,2005,889-894[3]J.Pla,M.Tamasi,R.RizzoliR,etal.OptimizationofITOlayersforapplicationsinaa-Si/c-Siheterojunctionsolarcell.ThinSolidFilm,2003,(425):185-192[4]L.Zhao,Z.B.Zhou,H.Peng,etal.Indiumtinoxidethinfilmsbybisamagnetronrfsputteringforheterojunctionsolarcellsapplication.AppliedSurfaceScience,2005,(252):385-392[5]I.Usman,A.Supu,T.Winata,etal.Applicationofa-Si:Hinp-i-nSolarCellbyVHF-PECVDmethod.IndonesianJournalofPhysics,2004,(15):31-34[6]SanyoElectricCo.,Ltd.SanyodevelopsHITsolarcellswithworld’shighestconversionefficiencyof23.0%[EB/OL].(2009-5-21)[2009-7-15].高效能的HIT太阳能电池研究作者：刘绍欢作者单位：国电光伏(江苏)有限公司江苏(宜兴)本文链接：