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dc.contributor.authorGarcia-Belmonte, Germà
dc.contributor.authorGuerrero, Antonio
dc.contributor.authorBisquert, Juan
dc.date.accessioned2014-04-04T08:11:40Z
dc.date.available2014-04-04T08:11:40Z
dc.date.issued2013
dc.identifier.citationGARCIA-BELMONTE, Germà; GUERRERO, Antonio; BISQUERT, Juan. Elucidating operating modes of bulk-heterojunction solar cells from impedance spectroscopy analysis. The Journal of Physical Chemistry Letters, 2013, vol. 4, no 6, p. 877-886.ca_CA
dc.identifier.issn1948-7185
dc.identifier.urihttp://hdl.handle.net/10234/89431
dc.description.abstractWe discuss the progress and challenges in the application of impedance spectroscopy analysis to determine key processes and parameters in organic bulk-heterojunction solar cells. When carrier transport or outer interface extraction do not severely influence the solar cell performance, a simple method to quantify the open-circuit voltage loss caused by the kinetics of charge carrier recombination is provided, based on the determination of chemical capacitance and recombination resistance. This easily allows distinguishing between energetic and kinetic effects on photovoltage, and establishes a benchmark for the performance comparison of a set of different cells. A brief discussion of impedance analysis in the much less studied case of collection-limited solar cells is introduced.ca_CA
dc.description.sponsorShipWe acknowledge the financial support from Ministerio de Educacion y Ciencia (Spain) under Project HOPE CSD2007-00007 (Consolider-Ingenio 2010), and Generalitat Valenciana (Prometeo/2009/058, and ISIC/2012/008 Institute of Nanotechnologies for Clean Energies).ca_CA
dc.format.extent10 p.ca_CA
dc.language.isoengca_CA
dc.publisherAmerican Chemical Societyca_CA
dc.relation.isPartOfThe Journal of Physical Chemistry Letters (2013), vol. 4, no 6ca_CA
dc.rights© 2013 American Chemical Societyca_CA
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/*
dc.subjectBulk-heterojunction solar cellsca_CA
dc.subjectCharge carrier recombinationca_CA
dc.subjectChemical capacitanceca_CA
dc.subjectImpedance spectroscopyca_CA
dc.subjectInterface extractionca_CA
dc.subjectOrganic bulk-heterojunction solar cellsca_CA
dc.subjectPerformance comparisonca_CA
dc.subjectSolar cell performanceca_CA
dc.titleElucidating Operating Modes of Bulk-Heterojunction Solar Cells from Impedance Spectroscopy Analysisca_CA
dc.typeinfo:eu-repo/semantics/articleca_CA
dc.identifier.doihttp://dx.doi.org/10.1021/jz302064z
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessca_CA
dc.relation.publisherVersionhttp://pubs.acs.org/doi/abs/10.1021/jz302064zca_CA
dc.type.versioninfo:eu-repo/semantics/acceptedVersion


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