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Carrier recombination losses in inverted polymer: Fullerene solar cells with ZnO hole-blocking layer from transient photovoltage and impedance spectroscopy techniques.
dc.contributor.author | Garcia-Belmonte, Germà | |
dc.contributor.author | Pérez Boix, Pablo | |
dc.contributor.author | Ajuria, Jon | |
dc.contributor.author | Palacios, Roberto | |
dc.date.accessioned | 2012-10-30T18:54:16Z | |
dc.date.available | 2012-10-30T18:54:16Z | |
dc.date.issued | 2011-04 | |
dc.identifier.issn | 0021-8979 | |
dc.identifier.uri | http://hdl.handle.net/10234/50293 | |
dc.description.abstract | In this study, full coincidence between impedance spectroscopy and transient photovoltage techniques in measuring recombination kinetics of photogenerated charge carriers in inverted polymer:fullerene organic solar cells with ZnO hole-blocking layer is reported. Carrier lifetime exhibits values at illumination intensities near 1 sun within the microseconds time scale. Photogenerated charge carrier density attains values within 1015–1016 cm−3. Decay kinetics is analyzed by means of a bimolecular recombination law with a recombination coefficient slightly dependent on the charge density, which lies within the order of k ∼ 10−12 cm3 s−1. It is also demonstrated that inverted-processed cells exhibit capacitance, recombination resistance, and lifetime parameters comparable to those extracted from regular cells, despite the great differences between the contact structures of these kinds of devices. | ca_CA |
dc.format.extent | 5 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | © 2011 American Institute of Physics | ca_CA |
dc.relation.isPartOf | Journal of Applied Physics (April 2011), vol. 109, no. 7 | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/CNE/1.0/ | * |
dc.subject | capacitance | ca_CA |
dc.subject | carrier density | ca_CA |
dc.subject | carrier lifetime | ca_CA |
dc.subject | conducting polymers | ca_CA |
dc.subject | electric impedance | ca_CA |
dc.subject | electrical resistivity | ca_CA |
dc.subject | electron-hole recombination | ca_CA |
dc.title | Carrier recombination losses in inverted polymer: Fullerene solar cells with ZnO hole-blocking layer from transient photovoltage and impedance spectroscopy techniques. | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1063/1.3561437 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://jap.aip.org/resource/1/japiau/v109/i7/p074514_s1 | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion |
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