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An Enhanced Charge Carrier Separation in a Heterojunction Solar Cell with a Metal Oxide

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dc.contributor.authorDanilyuk, A. L.
dc.contributor.authorSidorova, T. N.
dc.contributor.authorWang, H.
dc.contributor.authorRusli, R.
dc.contributor.authorBorisenko, V. E.
dc.date.accessioned2024-12-26T07:08:19Z
dc.date.available2024-12-26T07:08:19Z
dc.date.issued2022
dc.description.abstract© 2021 Wiley-VCH GmbH.A model of charge carrier transport in heterojunction solar cells composed of a solar light-absorbing semiconductor and a wide-bandgap semiconducting metal oxide is proposed. It describes an electric field in the semiconductor originating from the difference in the electron work functions between the two contacting materials, an enhanced hole separation by this field, and subsequent trap-assisted tunneling of holes through the semiconducting oxide. The model predicts a dramatic influence of the donor concentration in the semiconductor, trap parameters in the oxide, and ideality factor of the semiconductor/oxide heterojunction on the performance of the cell. The efficiency of the solar energy harvesting by MoOx/n-Si solar cells is calculated to reach 23% of the donor concentration in Si of 1018 cm−3 at a limited hole current density. It is predicted to be reduced to 16−18% when donor concentration is in the range of 1015−1016 cm−3. The numerical predictions agree well with experimental data, at least for donor concentrations in Si below 1018 cm−3, confirming suitability of the model for heterojunction solar cells composed of other semiconductors and semiconducting metal oxides.
dc.identifier.citationAn Enhanced Charge Carrier Separation in a Heterojunction Solar Cell with a Metal Oxide / Danilyuk, A.L. [et al.] // Physica Status Solidi (A) Applications and Materials Science. - 2022. - 10.1002/pssa.202100525
dc.identifier.doi10.1002/pssa.202100525
dc.identifier.urihttps://www.doi.org/10.1002/pssa.202100525
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85119251275&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000718202300001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/28596
dc.relation.ispartofPhysica Status Solidi (A) Applications and Materials Science
dc.titleAn Enhanced Charge Carrier Separation in a Heterojunction Solar Cell with a Metal Oxide
dc.typeArticle
dspace.entity.typePublication
relation.isOrgUnitOfPublication06e1796d-4f55-4057-8d7e-bb2f3b5676f5
relation.isOrgUnitOfPublication.latestForDiscovery06e1796d-4f55-4057-8d7e-bb2f3b5676f5
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