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Plasmon-enhanced absorption in heterojunction n-ZnO nanorods/p-Si solar cells

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dc.abstract.enThe use of plasmonic inclusions in heterojunction solar cells promises increase of solar-to-electric energy conversion efficiency. Recently, solar cells with ZnO nanorods attracted a lot of attention due to improved efficiency provided by highly scattering ZnO nanostructures on silicon or perovskite. N-type ZnO nanorods are grown on p-Si monocrystalline 180 μm thick substrates among others by means of a hydrothermal technique which requires prior seeding by deposition of thin film of ZnO or noble metals. In the latter case, naturally formed metal islands can also act as plasmonic nanoparticles (NPs). Excitation of plasmonic resonance on the NPs leads to directional scattering of light towards Si layer and electromagnetic field enhancement at their vicinity, close to the ZnO-Si junction, what results in improved energy absorption in the semiconductor layer and thus energy conversion efficiency. In this study, we investigate optimal conditions at which plasmonic phenomenon further improves light trapping in the Si-ZnO solar cells. In simulations performed by means of 3D FDTD method, we calculate light absorption enhancement in the system due to plasmonic NPs used as a seed layer at the ZnO/Si. In th calculations Ag, and Al NPs of different size and geometry close to that achievable in the experiment are analyzed. Finally, numerical results taking into account the granulometry of metal NPs achieved in the experiment are compared with the efficiency of fabricated cells.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorOżga, Monika
dc.contributor.authorBorysiuk, Jolanta
dc.contributor.authorGodlewski, Marek
dc.contributor.authorWitkowski, Bartłomiej
dc.contributor.authorPietruszka, Rafał
dc.contributor.authorSobczak, Kamil
dc.contributor.authorSzoplik, Tomasz
dc.contributor.authorCiesielski, Arkadiusz
dc.contributor.authorWróbel, Piotr
dc.date.accessioned2024-01-25T16:59:08Z
dc.date.available2024-01-25T16:59:08Z
dc.date.issued2019
dc.description.financeNie dotyczy
dc.description.volume11025
dc.identifier.doi10.1117/12.2521075
dc.identifier.issn0277-786X
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/116030
dc.identifier.weblinkhttps://www.spiedigitallibrary.org/conference-proceedings-of-spie/11025/2521075/Plasmon-enhanced-absorption-in-heterojunction-n-ZnO-nanorods-p-Si/10.1117/12.2521075.short
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofPROCEEDINGS OF SPIE
dc.relation.pagesart.no.110250V
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enZinc oxide
dc.subject.enNanoparticles
dc.subject.enSilver
dc.subject.enSilicon
dc.subject.enAbsorption
dc.subject.enSolar cells
dc.subject.enMetals
dc.titlePlasmon-enhanced absorption in heterojunction n-ZnO nanorods/p-Si solar cells
dc.typeJournalArticle
dspace.entity.typePublication