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©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(()710065):,21,,:;;;;:TN366:B:1004373X(2007)1616303TheBasicCharacteristicsofSolarCellsYUANZhen,HELilong(XianChuanglianElectronicComponent(Group)Co.Ltd.,Xian,710065,China)Abstract:Theenergycrisisandpollutionofenvironmentisseriouschallengeforhumanbeing.Itisthemostcriticalandin2fluentialtechnologyareas.Solarenergyisaregenerativeandcleanenergy.Theresearchofsolarcellsbecomesmoreandmoreimportant.Inthispapertheparameterswhichareusedtocharacterthesolarcellsaresystematicallydiscussedbasedonthestructureandworkingprincipleofsolarcells,andtheeffectofenvironmentconditionsontheseparametersarealsodiscussed.Theseparametersareshortcircuitcurrent,opencircuitvoltageandfillfactor.Keywords:colarcells;shortcircuitcurrent;opencircuitvoltage;fillfactor;conversionefficiency:20070313((Photovol2taicEffect),(solarcell),,,,,[1,2]1P+/NN+/P,11,,P+N+,;,NP,,,P,N,,P,N,;N,P,2(1)UOC,100mW/cm2,,(2)ISC,,,,1(3),361200716255©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=UmIm(4)FF,:FF=PmUOCISC=UmImUOCISC(1)FF,,,FFlFF:FF=VOC-ln(VOC+0.72)VOC+1(2)(2)VOC,UOC/(nKT/q)VOC15,4[3],,,2,,;,,,2(5),:=PmPinFFUOCISCPin(3):AM1.5(),1000W/m2,25,WP(peakwatt),,,,,,,;,,,,-,,P-N,,33P-NP-N3P-N,EgEgEg,Eg,,4,RL,,,,RS,RshRSRsh,,,IL:IL=ISC-ID(4),-(-)[4]:461:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=ISC-I0eqU/AKT-1(5)(4),(5):ID,A;I0P-N,A;q,C;K;T,K;A(A1,A2);e4,I0Eg,I0[5]:I01.5105exp(-Eg/KT)(6),U=0,(5):IL=ISC(7),IL=0,UUOC,(8):UOC=AKTqlnISCI0+1(8)(8),,(5)(8),-,5,I-U5,1,,I-U;2,I-U,I-U4ISC,,6(),P-NRS,Rsh;P-N,-:IL=ISC-I0eq(U+ILRS/nKT-1-U+ILRSRsh(9),nP-N56,ISC,P-N,P-N,ISC,ID,ILR4(c)4,,,[1]ChapinDM,FullerCS,PearsonGL.ANewSiliconP-NJunctionPhotocellforConvertingSolarRadiationintoElec2tricalPower[J].Appl.Phys.,1954,25:676-677.[2]GreenMS.SolarCellsinModernSemiconductorDevicePhysics[M].WileyInterscience,NewYork,1998.[3]GreenMA.SolarCells-OperatingPrinciple,TechnologyandSystemApplication[M].N.J.PrenticeHall,Inc.Engle2woodCliffs,1982.[4]HuC,WhiteRM.SolarCells[M].NewYork:McGraw-Hill,1983.[5]GreenMA.SolarCells-OperatingPrinciple,TechnologyandSystemApplication[M].N.J.PrenticeHall,Inc.Engle2woodCliffs,1982.,1968,,561200716255