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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F12%3A00436971%21RIV15-AV0-68378271
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Dual-junction solar cells have the potential for higher conversion efficiencies than single junctions, thanks to a better utilization of the solar spectrum. However, their optimization is more complex because the monolithic interconnection makes the individual subcell electrical measurement difficult or impossible. This study presents a new technique to measure the open-circuit voltage V-OC of each individual subcell of a dual-junction device with a method that circumvents the need for completely selective illumination. The method is based on the description of the total device V-OC as a function of two independent variables determined by two distinct illumination spectra. Without completely selective illumination, one can measure only a limited range of this function; however, an unambiguous extension gives values corresponding to the conditions of ideal selectivity, which correspond in turn to the V-OC of the individual subcells at 1-sun illumination. Dual-junction solar cells have the potential for higher conversion efficiencies than single junctions, thanks to a better utilization of the solar spectrum. However, their optimization is more complex because the monolithic interconnection makes the individual subcell electrical measurement difficult or impossible. This study presents a new technique to measure the open-circuit voltage V-OC of each individual subcell of a dual-junction device with a method that circumvents the need for completely selective illumination. The method is based on the description of the total device V-OC as a function of two independent variables determined by two distinct illumination spectra. Without completely selective illumination, one can measure only a limited range of this function; however, an unambiguous extension gives values corresponding to the conditions of ideal selectivity, which correspond in turn to the V-OC of the individual subcells at 1-sun illumination.
dcterms:title
Measurement of the open-circuit voltage of individual subcells in a dual-junction solar cell Measurement of the open-circuit voltage of individual subcells in a dual-junction solar cell
skos:prefLabel
Measurement of the open-circuit voltage of individual subcells in a dual-junction solar cell Measurement of the open-circuit voltage of individual subcells in a dual-junction solar cell
skos:notation
RIV/68378271:_____/12:00436971!RIV15-AV0-68378271
n3:aktivita
n19:P n19:I n19:Z
n3:aktivity
I, P(7E09057), Z(AV0Z10100521)
n3:cisloPeriodika
2
n3:dodaniDat
n5:2015
n3:domaciTvurceVysledku
n7:8660565
n3:druhVysledku
n18:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
148962
n3:idVysledku
RIV/68378271:_____/12:00436971
n3:jazykVysledku
n13:eng
n3:klicovaSlova
current-voltage characteristics; photovoltaic cells; solar energy
n3:klicoveSlovo
n11:photovoltaic%20cells n11:solar%20energy n11:current-voltage%20characteristics
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[7D3C1343D6FE]
n3:nazevZdroje
IEEE Journal of Photovoltaics
n3:obor
n6:BM
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:projekt
n10:7E09057
n3:rokUplatneniVysledku
n5:2012
n3:svazekPeriodika
2
n3:tvurceVysledku
Ballif, C. Bonnet-Eymard, M. Holovský, Jakub Despeisse, M. Bugnon, G. Cuony, P.
n3:wos
000318425200015
n3:zamer
n17:AV0Z10100521
s:issn
2156-3381
s:numberOfPages
5
n14:doi
10.1109/JPHOTOV.2011.2178232