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Extracting in Situ Charge Carrier Diffusion Parameters in Perovskite Solar Cells with Light Modulated Techniques
dc.contributor.author | Bou, Agustín | |
dc.contributor.author | A̅boliņš, Haralds | |
dc.contributor.author | Ashoka, Arjun | |
dc.contributor.author | Cruanyes, Héctor | |
dc.contributor.author | Guerrero, Antonio | |
dc.contributor.author | Deschler, Felix | |
dc.contributor.author | Bisquert, Juan | |
dc.date.accessioned | 2021-11-16T12:01:18Z | |
dc.date.available | 2021-11-16T12:01:18Z | |
dc.date.issued | 2021-05-24 | |
dc.identifier.citation | Bou, A.; A̅boliņš, H.; Ashoka, A.; Cruanyes, H.; Guerrero, A.; Deschler, F.; Bisquert, J. Charge-Extracting in Situ Charge Carrier Diffusion Parameters in Perovskite Solar Cells with Light Modulated Techniques. ACS Energy Lett. 2021, 6, 6, 2248–2255, DOI:10.1021/acsenergylett.1c00871 | ca_CA |
dc.identifier.issn | 2380-8195 | |
dc.identifier.uri | http://hdl.handle.net/10234/195520 | |
dc.description.abstract | Frequency resolved methods are widely used to determine device properties of perovskite solar cells. However, obtaining the electronic parameters for diffusion and recombination by impedance spectroscopy has been so far elusive, since the measured spectra do not present the diffusion of electrons. Here we show that intensity modulated photocurrent spectroscopy (IMPS) displays a high frequency spiraling feature determined by the diffusion-recombination constants, under conditions of generation of carriers far from the collecting contact. We present models and experiments in two different configurations: the standard sandwich-contacts solar cell device and the quasi-interdigitated back-contact (QIBC) device for lateral long-range diffusion. The results of the measurements produce the hole diffusion coefficient of Dp = 0.029 cm2/s and lifetime of τp = 16 μs for one cell and Dp = 0.76 cm2/s and τp = 1.6 μs for the other. The analysis in the frequency domain is effective to separate the carrier diffusion (at high frequency) from the ionic contact phenomena at a low frequency. This result opens the way for a systematic determination of transport and recombination features in a variety of operando conditions. | ca_CA |
dc.description.sponsorShip | Funding for open access charge: CRUE-Universitat Jaume I | |
dc.format.extent | 8 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | American Chemical Society | ca_CA |
dc.relation.isPartOf | ACS Energy Letters, 2021, vol. 6, no 6 | ca_CA |
dc.rights.uri | http://creativecommons.org/licenses/by-sa/4.0/ | ca_CA |
dc.subject | photonics | ca_CA |
dc.subject | absorption | ca_CA |
dc.subject | diffusion | ca_CA |
dc.subject | solar cells | ca_CA |
dc.subject | perovskites | ca_CA |
dc.title | Extracting in Situ Charge Carrier Diffusion Parameters in Perovskite Solar Cells with Light Modulated Techniques | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | https://doi.org/10.1021/acsenergylett.1c00871 | |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | https://pubs.acs.org/doi/full/10.1021/acsenergylett.1c00871 | ca_CA |
dc.description.sponsorship | We thank Ministerio de Ciencia y Innovación (PID2019-107348GB-100) and the ERC (Grant No. 716471, ACrossWire). A.B. acknowledges FPI studentship funding from Ministerio de Ciencia e Innovación of Spain (BES-2017-080351). A.A. acknowledges studentship funding from the Cambridge Trust and the Inlaks Shivdasani Foundation. H.A. acknowledges studentship funding from the EPSRC and the Winton Programme for the Physics of Sustainability. F.D. acknowledges funding from the Winton Program for the Physics of Sustainability and the DFG Emmy Noether Program. | |
dc.type.version | info:eu-repo/semantics/publishedVersion | ca_CA |
project.funder.name | Ministerio de Ciencia y Innovación | ca_CA |
project.funder.name | European Research Council (ERC) | ca_CA |
project.funder.name | Cambridge Trust | ca_CA |
project.funder.name | Inlaks Shivdasani Foundation | ca_CA |
project.funder.name | Engineering & Physical Sciences Research Council (EPSRC) | ca_CA |
project.funder.name | Winton Programme for the Physics of Sustainability | ca_CA |
project.funder.name | DFG Emmy Noether Program | ca_CA |
oaire.awardNumber | PID2019-107348GB-100 | ca_CA |
oaire.awardNumber | 716471 | ca_CA |
oaire.awardNumber | BES-2017-080351 | ca_CA |
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