Triangular metallic gratings for large absorption enhancement in thin film Si solar cells

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buir.contributor.authorOkyay, Ali Kemal
dc.citation.epage9464en_US
dc.citation.issueNumber9en_US
dc.citation.spage9458en_US
dc.citation.volumeNumber20en_US
dc.contributor.authorBattal, E.en_US
dc.contributor.authorYogurt, T.A.en_US
dc.contributor.authorAygun L.E.en_US
dc.contributor.authorOkyay, Ali Kemalen_US
dc.date.accessioned2016-02-08T09:47:15Z
dc.date.available2016-02-08T09:47:15Z
dc.date.issued2012en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractWe estimate high optical absorption in silicon thin film photovoltaic devices using triangular corrugations on the back metallic contact. We computationally show 21.9% overall absorptivity in a 100-nmthick silicon layer, exceeding any reported absorptivity using single layer gratings placed on the top or the bottom, considering both transverse electric and transverse magnetic polarizations and a wide spectral range (280 - 1100 nm). We also show that the overall absorptivity of the proposed scheme is relatively insensitive to light polarization and the angle of incidence. We also discuss the implications of potential fabrication process variations on such a device. © 2012 Optical Society of America.en_US
dc.identifier.doi10.1364/OE.20.009458en_US
dc.identifier.issn10944087
dc.identifier.urihttp://hdl.handle.net/11693/21500
dc.language.isoEnglishen_US
dc.publisherOptical Society of American (OSA)en_US
dc.relation.isversionofhttp://dx.doi.org/10.1364/OE.20.009458en_US
dc.source.titleOptics Expressen_US
dc.subjectOptical constantsen_US
dc.subjectOpticsen_US
dc.subjectAbsorption enhancementen_US
dc.subjectAbsorptivitiesen_US
dc.subjectAngle of Incidenceen_US
dc.subjectFabrication processen_US
dc.subjectMetallic contactsen_US
dc.subjectMetallic gratingsen_US
dc.subjectSi solar cellsen_US
dc.subjectSilicon layeren_US
dc.subjectSilicon thin filmen_US
dc.subjectSingle layeren_US
dc.subjectTransverse electricsen_US
dc.subjectTransverse magnetic polarizationen_US
dc.subjectWide spectral rangeen_US
dc.subjectThin filmsen_US
dc.subjectmetalen_US
dc.subjectsiliconen_US
dc.subjectabsorptionen_US
dc.subjectarticleen_US
dc.subjectartificial membraneen_US
dc.subjectchemistryen_US
dc.subjectequipmenten_US
dc.subjectequipment designen_US
dc.subjectinstrumentationen_US
dc.subjectpower supplyen_US
dc.subjectradiation scatteringen_US
dc.subjectrefractometryen_US
dc.subjectsolar energyen_US
dc.subjectAbsorptionen_US
dc.subjectElectric Power Suppliesen_US
dc.subjectEquipment Designen_US
dc.subjectEquipment Failure Analysisen_US
dc.subjectMembranes, Artificialen_US
dc.subjectMetalsen_US
dc.subjectRefractometryen_US
dc.subjectScattering, Radiationen_US
dc.subjectSiliconen_US
dc.subjectSolar Energyen_US
dc.titleTriangular metallic gratings for large absorption enhancement in thin film Si solar cellsen_US
dc.typeArticleen_US

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Department of Electrical and Electronics Engineering
Institute of Materials Science and Nanotechnology (UNAM)