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Transparent polymer solar cells employing a layered light-trapping architecture
dc.contributor.author | Betancur, Rafael |
dc.contributor.author | Romero Gómez, Pablo |
dc.contributor.author | Martinez Otero, Alberto |
dc.contributor.author | Elias Pera, Xavier |
dc.contributor.author | Maymó Camós, Marc |
dc.contributor.author | Martorell Pena, Jordi |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear |
dc.date.accessioned | 2013-11-04T09:56:03Z |
dc.date.created | 2013-10 |
dc.date.issued | 2013-10 |
dc.identifier.citation | Betancur, R. [et al.]. Transparent polymer solar cells employing a layered light-trapping architecture. "Nature photonics", Octubre 2013, p. 1-6. |
dc.identifier.issn | 1749-4885 |
dc.identifier.uri | http://hdl.handle.net/2117/20513 |
dc.description.abstract | Organic solar cells have unique properties that make them very attractive as a renewable energy source. Of particular interest are semi-transparent cells, which have the potential to be integrated into building fac¸ades yet not completely block light. However, making organic cells transparent limits the metal electrode thickness to a few nanometres, drastically reducing its reflectivity and the device photon-harvesting capacity. Here, we propose and implement an ad hoc path for light-harvesting recovery to bring the photon-to-charge conversion up to almost 80% that of its opaque counterpart. We report semi-transparent PTB7:PC71BM cells that exhibit 30% visible light transmission and 5.6% power conversion efficiency. Non-periodic photonic crystals are used to trap near-infrared and near-ultraviolet photons. By modifying the layer structure it is possible to tune the device colour without significantly altering cell performance. |
dc.format.extent | 6 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Física |
dc.subject.lcsh | Photonics |
dc.subject.lcsh | Solar cells |
dc.title | Transparent polymer solar cells employing a layered light-trapping architecture |
dc.type | Article |
dc.subject.lemac | Fotònica |
dc.contributor.group | Universitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers |
dc.identifier.doi | 10.1038/nphoton.2013.276 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | https://www.nature.com/articles/nphoton.2013.276 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 12866725 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | Betancur, R.; Romero, P.; Martinez-Otero, A.; Elias, X.; Maymó, M.; Martorell, J. |
local.citation.publicationName | Nature photonics |
local.citation.startingPage | 1 |
local.citation.endingPage | 6 |
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