AmorphousSilicon/CrystallineSiliconHeterojunctionSolarCellsAmorphoussilicon/crystallinesiliconheterojunction(a-Si/c-SiHET)solarcellsareahigh-efficiencyphotovoltaictechnologythatcombinestheadvantagesofbothamorphousandcrystallinesiliconmaterials.Inthisstructure,athinlayerofhydrogenatedamorphoussilicon(a-Si:H)isdepositedonacrystallinesilicon(c-Si)wafer,formingaheterojunctionthatenhancescarrierseparationandreducesrecombinationlosses.Keyfeaturesofa-Si/c-Siheterojunctionsolarcellsinclude:1.Highopen-circuitvoltageduetoexcellentpassivationattheheterojunctioninterface.2.Low-temperatureprocessing,reducingenergyconsumptionduringfabrication.3.Potentialforhigherconversionefficienciescomparedtotraditionalhomojunctionsiliconsolarcells.Thistechnologyhasgainedsignificantattentioninthesolarindustryduetoitspotentialforachievingefficienciesabove24%inmassproduction,makingitapromisingcandidatefornext-generationphotovoltaicapplications.
