Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/34414

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dc.contributor.authorMarins, E.por
dc.contributor.authorWarzecha, M.por
dc.contributor.authorMichard, S.por
dc.contributor.authorHotovy, J.por
dc.contributor.authorBöttler, W.por
dc.contributor.authorAlpuim, P.por
dc.contributor.authorFinger, F.por
dc.date.accessioned2015-03-17T18:13:31Z-
dc.date.available2015-03-17T18:13:31Z-
dc.date.issued2014-11-28-
dc.date.submitted2014-05-10-
dc.identifier.citationThin Solid Films 571 (A) (2014) 9-12por
dc.identifier.issn0040-6090por
dc.identifier.urihttp://hdl.handle.net/1822/34414-
dc.description.abstractIn thin film silicon solar cells on opaque substrates in n-i-p deposition sequence where the textured transparent conductive oxide (TCO) layer serves as a back reflector, one can independently optimize the morphology of the TCO layer without compromise on transparency and conductivity of this layer and further adjust the electro-optical properties of the back contact by using additional layers on top of the textured TCO. In the present work, we use this strategy to obtain textured back reflectors for solar cells in n-i-p deposition sequence on non-transparent flexible plastic foils. Gallium doped ZnO (ZnO:Ga) films were deposited on polyimide substrates by DC magnetron sputtering at a temperature of 200 °C. A wet-chemical etching step was performed by dipping the ZnO:Ga covered foil into a diluted HCl solution. The textured ZnO:Ga is then coated with a highly reflective Ag/ZnO double layer. On this back reflector, we develop thin film silicon solar cells with a microcrystalline silicon absorber layer. The current density for the cell with the textured ZnO:Ga layer is ~ 23 mA/cm2, 4 mA/cm2 higher than the one without such layer, and a maximum efficiency of 7.5% is obtained for a 1 cm2 cell.por
dc.description.sponsorshipFundação para a Ciência e a Tecnologia (FCT)por
dc.language.isoengpor
dc.publisherElsevierpor
dc.rightsopenAccesspor
dc.subjectMicrocrystalline siliconpor
dc.subjectTransparent conducting oxidepor
dc.subjectLight trappingpor
dc.subjectPolyimidepor
dc.subjectFlexible substrate-
dc.subjectSolar cells-
dc.subjectFlexible substrate Solar cellspor
dc.titleFlexible n-i-p thin film silicon solar cells on polyimide foils with textured ZnO:Ga back reflectorpor
dc.typearticlepor
dc.peerreviewedyespor
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0040609014009043por
sdum.publicationstatuspublishedpor
oaire.citationStartPage9por
oaire.citationEndPage12por
oaire.citationIssueApor
oaire.citationTitleThin Solid Filmspor
oaire.citationVolume571por
dc.identifier.doi10.1016/j.tsf.2014.09.026por
dc.subject.fosEngenharia e Tecnologia::Engenharia dos Materiaispor
dc.subject.wosScience & Technologypor
sdum.journalThin Solid Filmspor
Appears in Collections:CDF - CEP - Artigos/Papers (with refereeing)

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