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Effects of Masking on Open-Circuit Voltage and Fill Factor in Solar Cells

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Effects of Masking on Open-Circuit Voltage and Fill Factor in Solar Cells

dc.contributor.author	Kiermasch, David
dc.contributor.author	Gil Escrig, Lidón
dc.contributor.author	Bolink, Henk
dc.contributor.author	Tvingstedt, Kristofer
dc.date.accessioned	2020-06-22T08:11:36Z
dc.date.available	2020-06-22T08:11:36Z
dc.date.issued	2019
dc.identifier.citation	Kiermasch, David Gil Escrig, Lidón Bolink, Henk Tvingstedt, Kristofer 2019 Effects of Masking on Open-Circuit Voltage and Fill Factor in Solar Cells Joule 3 1 16 26
dc.identifier.uri	https://hdl.handle.net/10550/75156
dc.description.abstract	Guidelines for the correct measurement protocol of novel photovoltaic technologies such as perovskites are becoming more frequent in literature. This because, as will be confirmed in this perspective, it is not straightforward to correctly measure the efficiency parameters of these and many other novel solar cells. This is particularly the case for small area research devices which are prone to overestimate the short circuit current density, due to edge effects of various types. To reduce the inaccuracy of current density determination, the common recommended practice is to utilize masks with well‐defined apertures, often smaller than the device active area. Herein we show both experimentally and theoretically that this common practice however always leads to the erroneous determination of both open circuit voltage and fill factor, which are equally important figures of merit as the short circuit current density. Although the errors induced in voltage and fill factor by using a mask are generally smaller than what the errors in current can amount to when not using a mask, they are on the other hand omnipresent and can be quite well described.
dc.language.iso	eng
dc.relation.ispartof	Joule, 2019, vol. 3, num. 1, p. 16-26
dc.subject	Cèl·lules fotoelèctriques
dc.subject	Energia
dc.title	Effects of Masking on Open-Circuit Voltage and Fill Factor in Solar Cells
dc.type	journal article	es_ES
dc.date.updated	2020-06-22T08:11:37Z
dc.identifier.doi	10.1016/j.joule.2018.10.016
dc.identifier.idgrec	128941
dc.rights.accessRights	open access	es_ES