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Article: An Air Knife-Assisted Recrystallization Method for Ambient-Process Planar Perovskite Solar Cells and Its Dim-Light Harvesting

TitleAn Air Knife-Assisted Recrystallization Method for Ambient-Process Planar Perovskite Solar Cells and Its Dim-Light Harvesting
Authors
Keywordsair–knife
ambient process
dim lights
perovskites
recrystallization
Issue Date2019
PublisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jabout/107640323/2421_info.html
Citation
Small, 2019, v. 15 n. 8, p. article no. 1804465 How to Cite?
AbstractThe photovoltaic performance of perovskite solar cells is highly dependent on the control of morphology and crystallization of perovskite film, which usually requires a controlled atmosphere. Therefore, fully ambient fabrication is a desired technology for the development of perovskite solar cells toward real production. Here, an air‐knife assisted recrystallization method is reported, based on a simple bath‐immersion to prepare high‐quality perovskite absorbers. The resulted film shows a strong crystallinity with pure domains and low trap‐state density, which contribute to the device performance and stability. The proposed method can operate in a wide process window, such as variable relative humidity and bath‐immersion conditions, demonstrating a power conversion efficiency over 19% and 27% under 1 sun and 500–2000 lux dim‐light illumination respectively, which is among the highest performance of ambient‐process perovskite solar cells.
Persistent Identifierhttp://hdl.handle.net/10722/279393
ISSN
2017 Impact Factor: 9.598
2015 SCImago Journal Rankings: 3.401

 

DC FieldValueLanguage
dc.contributor.authorCHENG, R-
dc.contributor.authorChung, CC-
dc.contributor.authorZhang, H-
dc.contributor.authorZHOU, Z-
dc.contributor.authorZhai, P-
dc.contributor.authorHuang, YT-
dc.contributor.authorLee, H-
dc.contributor.authorFeng, SP-
dc.date.accessioned2019-11-01T07:16:29Z-
dc.date.available2019-11-01T07:16:29Z-
dc.date.issued2019-
dc.identifier.citationSmall, 2019, v. 15 n. 8, p. article no. 1804465-
dc.identifier.issn1613-6810-
dc.identifier.urihttp://hdl.handle.net/10722/279393-
dc.description.abstractThe photovoltaic performance of perovskite solar cells is highly dependent on the control of morphology and crystallization of perovskite film, which usually requires a controlled atmosphere. Therefore, fully ambient fabrication is a desired technology for the development of perovskite solar cells toward real production. Here, an air‐knife assisted recrystallization method is reported, based on a simple bath‐immersion to prepare high‐quality perovskite absorbers. The resulted film shows a strong crystallinity with pure domains and low trap‐state density, which contribute to the device performance and stability. The proposed method can operate in a wide process window, such as variable relative humidity and bath‐immersion conditions, demonstrating a power conversion efficiency over 19% and 27% under 1 sun and 500–2000 lux dim‐light illumination respectively, which is among the highest performance of ambient‐process perovskite solar cells.-
dc.languageeng-
dc.publisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jabout/107640323/2421_info.html-
dc.relation.ispartofSmall-
dc.rightsThis is the peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.-
dc.subjectair–knife-
dc.subjectambient process-
dc.subjectdim lights-
dc.subjectperovskites-
dc.subjectrecrystallization-
dc.titleAn Air Knife-Assisted Recrystallization Method for Ambient-Process Planar Perovskite Solar Cells and Its Dim-Light Harvesting-
dc.typeArticle-
dc.identifier.emailChung, CC: chungcc@hku.hk-
dc.identifier.emailHuang, YT: ythuang@connect.hku.hk-
dc.identifier.emailLee, H: hslee611@hku.hk-
dc.identifier.emailFeng, SP: hpfeng@hku.hk-
dc.identifier.authorityFeng, SP=rp01533-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/smll.201804465-
dc.identifier.pmid30690887-
dc.identifier.scopuseid_2-s2.0-85060789374-
dc.identifier.hkuros308568-
dc.identifier.volume15-
dc.identifier.issue8-
dc.identifier.spagearticle no. 1804465-
dc.identifier.epagearticle no. 1804465-
dc.publisher.placeGermany-

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