P1-1653PSCDurability of perovskite solar cells in outdoor and indoor test. Key Words: Photovoltaics, Solar cells, Metal halide perovskite, DurabilityPerovskitesolarcells(PSCs)havebeenintensively investigated for the applicationbecauseofthepowerconversionefficiency(PCE)over20%.However,thedegradationprocessoftheperovskitesolarcellsneedtoberealizedforcontinuouspowergenerationover20years.Wehavepreparedsmallsealingdevices(1cm2)andpickedupdegradationfactorsofthisdevicesincomparisonbetweenoutdoortestandindooraccelerationtest.P-i-n typed PSCs of PCE 20% were introduced to outdoor test and indoor acceleration test.PCE of PSCs keeps constant around room temperature.PCE values of PSCs decreased under continuous illumination of 1 SUN over ~40℃ConclusionDevice structureUnderstand of PSCs degradation mechanism1, Perovskite layer2, Interface at ETL/perovskite or HTL/perovskite3, ETL, HTL, and electrode (ITO or metal electrode)4, Sealing (Main seal or edge seal)AcknowledgementsTokyo City Univ. and AISTFuture PlanIntroductionWehaveimprovedthePCE,andthedurabilityofp-i-ntypedPCSsbychangefromholetransportorganicmaterialstoNiOx(inorganicmaterial)andchangeAsitecationfromCH3NH3+toformamidiniumcation(FA+),Cs+andRb+.Weinvestigatedtemperaturedependentmaximumpowertracking(MPPT)inindooraccelerationtestandinoutdoortest.FromCurrentdensity–voltage(J-V)curves,wewouldliketoclarifythedegradationmechanismofthePSCs.Theme underDiscussionPhotovoltaic materials group, GREEN Masatoshi YanagidaE-mail：： YANAGIDA.Masatoshi@nims.go.jpIndoor acceleration test Initial photovoltaic performanceWehaveintroducedMeO-2PACzattheinterfaceNiOx/perovskitelayerandPZDIatinterfacebetweenperovskite/C60.Temperature of deviceMPPT results at various temperatureOutdoor testAChinesecompany’smodulearekeeping10-14%ofPCEfromJan.toOct.2025.However,sealingaroundjunctionboxwasdamaged.Solar RRL, 2025; 0:e202500524 https://doi.org/10.1002/solr.202500524
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