NAGIOS: RODERIC FUNCIONANDO

External quantum efficiency measurements used to study the stability of differently deposited perovskite solar cells

Repositori DSpace/Manakin

IMPORTANT: Aquest repositori està en una versió antiga des del 3/12/2023. La nova instal.lació está en https://roderic.uv.es/

External quantum efficiency measurements used to study the stability of differently deposited perovskite solar cells

dc.contributor.author	Hierrezuelo-Cardet, Pedro
dc.contributor.author	Palechor-Ocampo, Anderzon F.
dc.contributor.author	Caram, Jorge
dc.contributor.author	Ventosinos, Federico
dc.contributor.author	Pérez-del-Rey, Daniel
dc.contributor.author	Bolink, Henk
dc.contributor.author	Schmidt, Javier A.
dc.date.accessioned	2020-11-12T15:15:14Z
dc.date.available	2020-11-12T15:15:14Z
dc.date.issued	2020
dc.identifier.citation	Hierrezuelo-Cardet, Pedro Palechor-Ocampo, Anderzon F. Caram, Jorge Ventosinos, Federico Pérez-del-Rey, Daniel Bolink, Henk Schmidt, Javier A. 2020 External quantum efficiency measurements used to study the stability of differently deposited perovskite solar cells Journal of Applied Physics 127 235501
dc.identifier.uri	https://hdl.handle.net/10550/76355
dc.description.abstract	The instability exhibited by perovskite solar cells when exposed to the environment under illumination is one major obstacle for the entry of perovskite technology on the photovoltaic market. In this work, we use the external quantum efficiency (EQE) technique to study the photoinduced degradation of two types of solar cells having CH3NH3PbI3 as absorber layer, one deposited by spin coating with an n-i-p architecture, and the other deposited by evaporation with an inverted p-i-n structure. We also study the effect of different encapsulants to protect the cells against atmospheric agents. We find that EQE provides information regarding the areas of the cell most susceptible to degradation, in addition to providing an estimate of the optical gap and the Urbach energy of the absorbent material. We confirm that the combined action of illumination and the environment markedly accelerate the degradation, which is reflected in the deterioration of all the parameters of the cell. The rear part of the cell is the first region to suffer the light-induced degradation. On the other hand, the cells deposited by evaporation and with a good encapsulation process are highly stable, since after 30 hours of exposure just small spectral change is noticed in the red/infrared region of the EQE spectrum.
dc.language.iso	eng
dc.relation.ispartof	Journal of Applied Physics, 2020, vol. 127, p. 235501
dc.subject	Cèl·lules fotoelèctriques
dc.subject	Materials
dc.title	External quantum efficiency measurements used to study the stability of differently deposited perovskite solar cells
dc.type	journal article	es_ES
dc.date.updated	2020-11-12T15:15:15Z
dc.identifier.doi	10.1063/5.0011503
dc.identifier.idgrec	139919
dc.rights.accessRights	open access	es_ES