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dc.date.accessioned2018-05-22T09:08:05Z
dc.date.available2018-05-22T09:08:05Z
dc.date.issued2018
dc.identifier.urihttp://hdl.handle.net/10852/61698
dc.description.abstractRenewable energy is crucial for tackling the world’s climate and energy challenges. Solar cells already hold a significant portion of the global energy market, and increasing this portion is important for propelling the renewable revolution forward. In this work, a novel solar cell concept with the potential of boosting the solar cell efficiency is explored. A Si bottom cell absorbs the low-energy part of the sunlight, while an oxide top cell consisting of Cu2O and ZnO absorbs the high-energy part. Material and junction properties of the architecture is investigated electrically, optically, chemically and structurally. The thesis details the defect structure of Cu2O, epitaxial growth of ZnO, and the sputter growth of poly-Si. The Cu2O/Si, and Cu2O/ZnO junctions are characterized, and novel ways of realizing the shallow emitter in Si and improving the crystallinity of Cu2O are demonstrated.en_US
dc.language.isoenen_US
dc.relation.haspartPaper I: Formation of shallow boron emitters in crystalline silicon using flash lamp annealing: Role of excess silicon interstitials. H. N. Riise, T. Schumann, A. Azarov, R. Hübner, W. Skorupa, B. G. Svensson and E. Monakhov. Appl. Phys Lett. 107 (2015) 022105. The article is included in the thesis. Also available at https://doi.org/10.1063/1.4926661
dc.relation.haspartPaper II: Structural properties of Cu2O epitaxial films grown on c-axis single crystal ZnO by magnetron sputtering. J. Gan, S. Gorantla, H. N. Riise, Ø. S. Fjellvåg, S. Diplas, O. M. Løvvik, B. G. Svensson, E. Monakhov and A. E. Gunnæs. Appl. Phys Lett. 108 (2016) 152110. The article is included in the thesis. Also available at https://doi.org/10.1063/1.4945985
dc.relation.haspartPaper III: Electronic Properties of Au/Cu2O/n-type Si Heterojunctions for Energy Conversion. P. F. Lindberg, H. N. Riise, K. Bergum, B. G. Svensson and E. Monakhov. Conference record of the Photovoltaic Specialists Conference 2016 (2016) 2807-2810. The paper is not available in DUO due to publisher restrictions. The published version is available at: https://doi.org/10.1109/PVSC.2016.7750164
dc.relation.haspartPaper IV: Local homoepitaxy of zinc oxide thin films by magnetron sputtering. H. N. Riise, V. S. Olsen, A. Azarov, A. Galeckas, T. N. Sky, B. G. Svensson and E. Monakhov. Thin Solid Films 601 (2016) 18-21. The paper is not available in DUO due to publisher restrictions. The published version is available at: https://doi.org/10.1016/j.tsf.2015.09.043
dc.relation.haspartPaper V: Comparison of the structural properties of Zn-face and O-face single crystal homoepitaxial ZnO epilayers grown by RF-magnetron sputtering. R. Schifano, H. N. Riise, J. Z. Domagala, A. Yu. Azarov, R. Ratjczak, E. Monakhov, V. Venkatachalapathy, L. Vines, K. S. Chan, J. Wong-Leung and B. G. Svensson. J. Appl. Phys. 121 (2017) 015304. The article is included in the thesis. Also available at https://doi.org/10.1063/1.4973342
dc.relation.haspartPaper VI: Thin film Cu2O for solar cell applications. K. Bergum, H. N. Riise, S. Gorantla, E. Monakhov and B. G. Svensson. Conference record of the Photovoltaic Specialists Conference 2016 (2016) 2770-2773. The paper is not available in DUO due to publisher restrictions. The published version is available at: https://doi.org/10.1109/PVSC.2016.7750156
dc.relation.haspartPaper VII: Improving carrier transport in Cu2O thin films by rapid thermal annealing. K. Bergum, H. N. Riise, S. Gorantla, P. F. Lindberg, I. J. T. Jensen, A. E. Gunnæs, A. Galeckas, S. Diplas, B. G. Svensson and E. Monakhov. Submitted to Journal of Physics: Condensed Matter. To be published. The paper is not available in DUO awaiting publishing.
dc.relation.haspartPaper VIII: Strain induced defect ionization energy variation in Cuprous Oxide. H. N. Riise, K. Bergum, T. N. Sky, B. G. Svensson and E. Monakhov. In manuscript. To be published. The paper is not available in DUO awaiting publishing.
dc.relation.urihttps://doi.org/10.1063/1.4926661
dc.relation.urihttps://doi.org/10.1063/1.4945985
dc.relation.urihttps://doi.org/10.1109/PVSC.2016.7750164
dc.relation.urihttps://doi.org/10.1016/j.tsf.2015.09.043
dc.relation.urihttps://doi.org/10.1063/1.4973342
dc.relation.urihttps://doi.org/10.1109/PVSC.2016.7750156
dc.titleMaterials and junctions for a novel oxide solar cellen_US
dc.typeDoctoral thesisen_US
dc.creator.authorRiise, Heine Nygard
dc.identifier.urnURN:NBN:no-64302
dc.type.documentDoktoravhandlingen_US
dc.identifier.fulltextFulltext https://www.duo.uio.no/bitstream/handle/10852/61698/1/Riise-PhD-2018.pdf


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