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Conference Paper: Effect of ZnO surface defects on efficiency and stability of ZnO-based perovskite solar cells

TitleEffect of ZnO surface defects on efficiency and stability of ZnO-based perovskite solar cells
Authors
Issue Date2017
PublisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml?WT.svl=mddp2
Citation
SPIE Oxide-based Materials and Devices VIII Conference, San Francisco, California, United States, 29 January–1 February 2017. In Proceedings of SPIE, 2017, v. 10105, p. 101051F:1-9 How to Cite?
AbstractZnO as an alternative electron transport layer (ETL) material for perovskite solar cell applications has drawn increasing research interest due to its comparable energy levels to TiO2, relatively high electron mobility, as well as its feasibility to be processed at low temperatures for potential applications in flexible devices. Nevertheless, ZnO based perovskite devices usually exhibit inferior performance and severe stability drawbacks which are related to the surface defects of ZnO ETL. In this study, to investigate the correlation between ZnO defect composition and resulting device performance, different approaches of preparing ZnO ETL are compared in terms of the perovskite morphology and device performance. In addition, direct manipulations of ZnO surface defects are performed by various surface treatments, and the photovoltaic performance of devices with ZnO ETL subjected to different surface treatments is compared. Surface modification of ZnO ETL by ethanolamine (EA) is demonstrated to efficiently enhance the photovoltaic performance of resulting ZnO based devices. © (2017) COPYRIGHT Society
Persistent Identifierhttp://hdl.handle.net/10722/242346
ISSN
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLiu, F-
dc.contributor.authorWong, MK-
dc.contributor.authorTam, HW-
dc.contributor.authorDjurisic, A-
dc.contributor.authorNg, AMC-
dc.contributor.authorChan, WK-
dc.date.accessioned2017-07-24T01:38:33Z-
dc.date.available2017-07-24T01:38:33Z-
dc.date.issued2017-
dc.identifier.citationSPIE Oxide-based Materials and Devices VIII Conference, San Francisco, California, United States, 29 January–1 February 2017. In Proceedings of SPIE, 2017, v. 10105, p. 101051F:1-9-
dc.identifier.issn0277-786X-
dc.identifier.urihttp://hdl.handle.net/10722/242346-
dc.description.abstractZnO as an alternative electron transport layer (ETL) material for perovskite solar cell applications has drawn increasing research interest due to its comparable energy levels to TiO2, relatively high electron mobility, as well as its feasibility to be processed at low temperatures for potential applications in flexible devices. Nevertheless, ZnO based perovskite devices usually exhibit inferior performance and severe stability drawbacks which are related to the surface defects of ZnO ETL. In this study, to investigate the correlation between ZnO defect composition and resulting device performance, different approaches of preparing ZnO ETL are compared in terms of the perovskite morphology and device performance. In addition, direct manipulations of ZnO surface defects are performed by various surface treatments, and the photovoltaic performance of devices with ZnO ETL subjected to different surface treatments is compared. Surface modification of ZnO ETL by ethanolamine (EA) is demonstrated to efficiently enhance the photovoltaic performance of resulting ZnO based devices. © (2017) COPYRIGHT Society-
dc.languageeng-
dc.publisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml?WT.svl=mddp2-
dc.relation.ispartofSPIE - International Society for Optical Engineering. Proceedings-
dc.rightsCopyright 2017 Society of Photo‑Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this publication for a fee or for commercial purposes, and modification of the contents of the publication are prohibited. This article is available online at https://doi.org/10.1117/12.2251885-
dc.titleEffect of ZnO surface defects on efficiency and stability of ZnO-based perovskite solar cells-
dc.typeConference_Paper-
dc.identifier.emailLiu, F: liufz@hku.hk-
dc.identifier.emailWong, MK: wmkobi@hku.hk-
dc.identifier.emailDjurisic, A: dalek@hku.hk-
dc.identifier.emailChan, WK: waichan@hku.hk-
dc.identifier.authorityDjurisic, A=rp00690-
dc.identifier.authorityChan, WK=rp00667-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1117/12.2251885-
dc.identifier.scopuseid_2-s2.0-85019596444-
dc.identifier.hkuros273205-
dc.identifier.volume10105-
dc.identifier.spage101051F:1-
dc.identifier.epage101051F:9-
dc.identifier.isiWOS:000405598700024-
dc.publisher.placeUnited States-

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