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dc.contributor.authorZarazúa, Isaac
dc.contributor.authorBisquert, Juan
dc.contributor.authorGarcia-Belmonte, Germà
dc.date.accessioned2016-05-31T09:59:08Z
dc.date.available2016-05-31T09:59:08Z
dc.date.issued2016
dc.identifier.citationISO 690 ZARAZUA, Isaac; BISQUERT, Juan; GARCIA-BELMONTE, Germà. Light-induced Space-charge Accumulation Zone as Photovoltaic Mechanism in Perovskite Solar Cells. The journal of physical chemistry letters, 2016, vol. 7, no 3, p. 525–528ca_CA
dc.identifier.issn1948-7185
dc.identifier.urihttp://hdl.handle.net/10234/160125
dc.description.abstractWe fabricated formamidinium lead iodide perovskite solar cell for analysis of the photovoltaic mechanism based on the interpretation of the capacitance variation under illumination. It was shown that the low-frequency capacitance increases proportional to incident light intensity, and in addition it increases proportional to absorber thickness. Furthermore, the voltage dependence of capacitance is exponential with slope 1/2 (thermal energy). We conclude that the large photovoltage and capacitance are associated with electronic accumulation zone at the interface with the metal oxide contact. While this type of accumulation capacitance is common in many devices as transistors, the perovskite solar cell shows a singular behavior in that under light the electronic carrier accumulation grows unlimited by another series capacitance, reaching values as large as 10 mF cm–2 at one sun illumination.ca_CA
dc.description.sponsorShipThe work was supported by Generalitat Valenciana project PROMETEO/2014/020 and MINECO of Spain under project MAT2013-47192-C3-1-R. I.Z. thanks CONACYT for the international fellowship.ca_CA
dc.format.extent4 p.ca_CA
dc.format.mimetypeapplication/pdfca_CA
dc.language.isoengca_CA
dc.publisherAmerican Chemical Societyca_CA
dc.relation.isPartOfThe journal of physical chemistry letters, 2016ca_CA
dc.rightsCopyright © American Chemical Societyca_CA
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/*
dc.subjectperovskite solar cellca_CA
dc.subjectphotovoltaicsca_CA
dc.subjectsolar cellsca_CA
dc.subjectperovskiteca_CA
dc.titleLight-Induced Space-Charge Accumulation Zone as Photovoltaic Mechanism in Perovskite Solar Cellsca_CA
dc.typeinfo:eu-repo/semantics/articleca_CA
dc.identifier.doihttp://dx.doi.org/10.1021/acs.jpclett.5b02810
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessca_CA
dc.relation.publisherVersionhttp://pubs.acs.org/doi/full/10.1021/acs.jpclett.5b02810ca_CA
dc.type.versioninfo:eu-repo/semantics/acceptedVersion


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