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Article: Multifunctional Synthesis Approach of In:CuCrO2 Nanoparticles for Hole Transport Layer in High-Performance Perovskite Solar Cells

TitleMultifunctional Synthesis Approach of In:CuCrO2 Nanoparticles for Hole Transport Layer in High-Performance Perovskite Solar Cells
Authors
KeywordsHole transport layers
In doped CuCrO2
Perovskite solar cells
Solvothermal synthesis
Issue Date2019
PublisherWiley - VCH Verlag GmbH & Co KGaA. The Journal's web site is located at http://www.wiley-vch.de/home/afm
Citation
Advanced Functional Materials, 2019, v. 29 n. 34, article no. 1902600 How to Cite?
AbstractWhile there are very limited studies of doped ternary metal oxide based hole transport materials, a multifunctional synthesis approach of In doped CuCrO2 nanoparticles (NPs) as efficient hole transport layers (HTLs) including simplifying the synthesis requirements is proposed, enabling doping and achievement of treatment‐free HTLs. Remarkably, compared with conventional methods for synthesizing CuCrO2 NPs, the newly proposed azeotropic promoted approach dramatically reduces the reaction time by 90% and the calcination temperature by one‐third, which not only promotes high throughput production but also reduces power consumption and cost in synthesis. Equally important, indium is successfully doped into CuCrO2, which is fundamentally difficult in low temperature processes. The In doping offers less d–d transition of Cr3+ and p‐type doping characteristics for improving HTL transmittance and conductivity, respectively. Interestingly, In doped CuCrO2 HTL with these improvements can be achieved by a simple ambient‐condition process and exhibits thermal stability up to 200 °C, which allows perovskite solar cells (PSCs) to achieve a power conversion efficiency of 20.54%. Meanwhile, the devices show good repeatability and photostability. Consequently, the work contributes to establishing a simple approach to realize pristine and doped multinary oxides based HTL for the development of practical and high performing PSCs.
Persistent Identifierhttp://hdl.handle.net/10722/275000
ISSN
2017 Impact Factor: 13.325
2015 SCImago Journal Rankings: 5.210
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYang, B-
dc.contributor.authorOuyang, D-
dc.contributor.authorHuang, Z-
dc.contributor.authorRen, X-
dc.contributor.authorZhang, H-
dc.contributor.authorChoy, WCH-
dc.date.accessioned2019-09-10T02:33:22Z-
dc.date.available2019-09-10T02:33:22Z-
dc.date.issued2019-
dc.identifier.citationAdvanced Functional Materials, 2019, v. 29 n. 34, article no. 1902600-
dc.identifier.issn1616-301X-
dc.identifier.urihttp://hdl.handle.net/10722/275000-
dc.description.abstractWhile there are very limited studies of doped ternary metal oxide based hole transport materials, a multifunctional synthesis approach of In doped CuCrO2 nanoparticles (NPs) as efficient hole transport layers (HTLs) including simplifying the synthesis requirements is proposed, enabling doping and achievement of treatment‐free HTLs. Remarkably, compared with conventional methods for synthesizing CuCrO2 NPs, the newly proposed azeotropic promoted approach dramatically reduces the reaction time by 90% and the calcination temperature by one‐third, which not only promotes high throughput production but also reduces power consumption and cost in synthesis. Equally important, indium is successfully doped into CuCrO2, which is fundamentally difficult in low temperature processes. The In doping offers less d–d transition of Cr3+ and p‐type doping characteristics for improving HTL transmittance and conductivity, respectively. Interestingly, In doped CuCrO2 HTL with these improvements can be achieved by a simple ambient‐condition process and exhibits thermal stability up to 200 °C, which allows perovskite solar cells (PSCs) to achieve a power conversion efficiency of 20.54%. Meanwhile, the devices show good repeatability and photostability. Consequently, the work contributes to establishing a simple approach to realize pristine and doped multinary oxides based HTL for the development of practical and high performing PSCs.-
dc.languageeng-
dc.publisherWiley - VCH Verlag GmbH & Co KGaA. The Journal's web site is located at http://www.wiley-vch.de/home/afm-
dc.relation.ispartofAdvanced Functional Materials-
dc.subjectHole transport layers-
dc.subjectIn doped CuCrO2-
dc.subjectPerovskite solar cells-
dc.subjectSolvothermal synthesis-
dc.titleMultifunctional Synthesis Approach of In:CuCrO2 Nanoparticles for Hole Transport Layer in High-Performance Perovskite Solar Cells-
dc.typeArticle-
dc.identifier.emailChoy, WCH: chchoy@eee.hku.hk-
dc.identifier.authorityChoy, WCH=rp00218-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/adfm.201902600-
dc.identifier.scopuseid_2-s2.0-85068146862-
dc.identifier.hkuros302723-
dc.identifier.volume29-
dc.identifier.issue34-
dc.identifier.spagearticle no. 1902600-
dc.identifier.epagearticle no. 1902600-
dc.identifier.isiWOS:000481931200001-
dc.publisher.placeGermany-

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