File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Efficient Gradient Potential Top Electron Transport Structures Achieved by Combining an Oxide Family for Inverted Perovskite Solar Cells with High Efficiency and Stability

TitleEfficient Gradient Potential Top Electron Transport Structures Achieved by Combining an Oxide Family for Inverted Perovskite Solar Cells with High Efficiency and Stability
Authors
Keywordslow temperature
solution process
inorganic metal oxides
electron transport layer
perovskite solar cells
Issue Date2021
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/aamick
Citation
ACS Applied Materials & Interfaces, 2021, v. 13 n. 23, p. 27179-27187 How to Cite?
AbstractAlthough inverted (p–i–n) structure perovskite solar cells (PSCs) have achieved high efficiency by commonly using fullerenes or their derivatives as electron transport layers (ETLs), the device stability and cost of fullerene materials are still of great concern. Herein, we demonstrate inorganic top ETLs simply composed from a family of metal oxides including In2O3 and its derivative of Sn:In2O3 with a gradient potential structure. For inverted PSCs, the typical film formation process of In2O3 will damage or degrade perovskite materials underneath; thus, we report a low temperature synthesis approach for obtaining In2O3 and Sn:In2O3 nanoparticles that can form effective top ETLs without any post-treatment. The one-family oxide-based top ETL features with the enhanced built-in potential, high electron extraction, and low interfacial recombination, offering a power conversion efficiency (PCE) of 20.65% in PSCs constructed from oxide-only carrier (both hole and electron) transport layers (CTLs), which is the highest efficiency in oxide-only CTL-based inverted PSCs to the best of our knowledge. Equally important, the inverted PSCs based on the Sn:In2O3/In2O3 ETL show the excellent operational stability and remain 90% of the initial value of PCE over 2000 h. Consequently, this work contributes to the robust strategy of all oxide-only CTLs in developing rigid and flexible PSCs for practical photovoltaic applications.
Persistent Identifierhttp://hdl.handle.net/10722/305337
ISSN
2020 Impact Factor: 9.229
2020 SCImago Journal Rankings: 2.535
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYang, B-
dc.contributor.authorMA, R-
dc.contributor.authorWang, Z-
dc.contributor.authorOUYANG, D-
dc.contributor.authorHuang, Z-
dc.contributor.authorLu, J-
dc.contributor.authorDuan, X-
dc.contributor.authorYue, L-
dc.contributor.authorXu, N-
dc.contributor.authorChoy, WCH-
dc.date.accessioned2021-10-20T10:07:59Z-
dc.date.available2021-10-20T10:07:59Z-
dc.date.issued2021-
dc.identifier.citationACS Applied Materials & Interfaces, 2021, v. 13 n. 23, p. 27179-27187-
dc.identifier.issn1944-8244-
dc.identifier.urihttp://hdl.handle.net/10722/305337-
dc.description.abstractAlthough inverted (p–i–n) structure perovskite solar cells (PSCs) have achieved high efficiency by commonly using fullerenes or their derivatives as electron transport layers (ETLs), the device stability and cost of fullerene materials are still of great concern. Herein, we demonstrate inorganic top ETLs simply composed from a family of metal oxides including In2O3 and its derivative of Sn:In2O3 with a gradient potential structure. For inverted PSCs, the typical film formation process of In2O3 will damage or degrade perovskite materials underneath; thus, we report a low temperature synthesis approach for obtaining In2O3 and Sn:In2O3 nanoparticles that can form effective top ETLs without any post-treatment. The one-family oxide-based top ETL features with the enhanced built-in potential, high electron extraction, and low interfacial recombination, offering a power conversion efficiency (PCE) of 20.65% in PSCs constructed from oxide-only carrier (both hole and electron) transport layers (CTLs), which is the highest efficiency in oxide-only CTL-based inverted PSCs to the best of our knowledge. Equally important, the inverted PSCs based on the Sn:In2O3/In2O3 ETL show the excellent operational stability and remain 90% of the initial value of PCE over 2000 h. Consequently, this work contributes to the robust strategy of all oxide-only CTLs in developing rigid and flexible PSCs for practical photovoltaic applications.-
dc.languageeng-
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/aamick-
dc.relation.ispartofACS Applied Materials & Interfaces-
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in [JournalTitle], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see http://pubs.acs.org/page/policy/articlesonrequest/index.html].-
dc.subjectlow temperature-
dc.subjectsolution process-
dc.subjectinorganic metal oxides-
dc.subjectelectron transport layer-
dc.subjectperovskite solar cells-
dc.titleEfficient Gradient Potential Top Electron Transport Structures Achieved by Combining an Oxide Family for Inverted Perovskite Solar Cells with High Efficiency and Stability-
dc.typeArticle-
dc.identifier.emailChoy, WCH: chchoy@eee.hku.hk-
dc.identifier.authorityChoy, WCH=rp00218-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/acsami.1c05284-
dc.identifier.pmid34087063-
dc.identifier.scopuseid_2-s2.0-85108386392-
dc.identifier.hkuros327746-
dc.identifier.volume13-
dc.identifier.issue23-
dc.identifier.spage27179-
dc.identifier.epage27187-
dc.identifier.isiWOS:000664289800050-
dc.publisher.placeUnited States-

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats