Si nanoparticle interfaces in Si/SiO2 solar cell materials

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en Kilpeläinen, S. Kujala, J. Tuomisto, Filip Slotte, J. Lu, Y.-W. Nylandsted Larsen, A. 2015-08-19T09:01:50Z 2015-08-19T09:01:50Z 2013
dc.identifier.citation Kilpeläinen, S. & Kujala, J. & Tuomisto, Filip & Slotte, J. & Lu, Y.-W. & Nylandsted Larsen, A. 2013. Si nanoparticle interfaces in Si/SiO2 solar cell materials. Journal of Applied Physics. Volume 114, Issue 16. 164316/1-4. ISSN 0021-8979 (printed). DOI: 10.1063/1.4824826 en
dc.identifier.issn 0021-8979 (printed)
dc.description.abstract Novel solar cell materials consisting of Si nanoparticles embedded in SiO2 layers have been studied using positron annihilation spectroscopy in Doppler broadening mode and photoluminescence. Two positron-trapping interface states are observed after high temperature annealing at 1100 °C. One of the states is attributed to the (SiO2/Si bulk) interface and the other to the interface between the Si nanoparticles and SiO2. A small reduction in positron trapping into these states is observed after annealing the samples in N2 atmosphere with 5% H2. Enhanced photoluminescence is also observed from the samples following this annealing step. en
dc.format.extent 164316/1-4
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher AIP Publishing en
dc.relation.ispartofseries Journal of Applied Physics en
dc.relation.ispartofseries Volume 114, Issue 16
dc.rights © 2013 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the authors and the American Institute of Physics. The following article appeared in Journal of Applied Physics, Volume 114, Issue 16 and may be found at en
dc.subject.other Physics en
dc.title Si nanoparticle interfaces in Si/SiO2 solar cell materials en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.rights.holder AIP Publishing Perustieteiden korkeakoulu fi School of Science en
dc.contributor.department Teknillisen fysiikan laitos fi
dc.contributor.department Department of Applied Physics en
dc.subject.keyword solar cells en
dc.subject.keyword silicon en
dc.subject.keyword silicon dioxide en
dc.subject.keyword nanoparticles en
dc.subject.keyword positrons en
dc.identifier.urn URN:NBN:fi:aalto-201508184106
dc.type.dcmitype text en
dc.identifier.doi 10.1063/1.4824826
dc.type.version Final published version en

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