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Article: Organic Hybrid Perovskite (MAPbI3−xClx) for Thermochromic Smart Window with Strong Optical Regulation Ability, Low Transition Temperature, and Narrow Hysteresis Width

TitleOrganic Hybrid Perovskite (MAPbI3−xClx) for Thermochromic Smart Window with Strong Optical Regulation Ability, Low Transition Temperature, and Narrow Hysteresis Width
Authors
Keywordsenergy-efficient buildings
perovskite
smart windows
solar modulation
thermochromism
Issue Date2021
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, 2021, v. 31 n. 26, p. article no. 2010426 How to Cite?
AbstractRecently, organic hybrid halide perovskites have been found to show thermochromism with good optical performance, which can be applied in smart windows to reduce building energy consumption. However, these perovskites have shortcomings regarding their thermochromic performance, namely long transition time, high transition temperature, and large transition hysteresis width. In this study, a hydrated MAPbI3−xClx thermochromic perovskite smart window (H-MAPbI3−xClx TPSW) is proposed, which undergoes a reversible transition between a transparent state and a dark reddish-brown tinted state with a high solar modulation ability of 23.7%. Most importantly, the H-MAPbI3−xClx TPSW possesses a tunable low transition temperature of 29.4 to 51.4 °C, a controllable and narrow transition hysteresis width (7.7–13.2 °C) and a short transition time (1–4 min). Additionally, a mathematical model is developed to predict the transition temperature of the H-MAPbI3−xClx TPSW. A field test is also conducted, demonstrating that the H-MAPbI3−xClx TPSW fitted to a model house can reduce the indoor air temperature by 3.5 °C compared to using a quartz glass window. Overall, the H-MAPbI3−xClx TPSW can yield excellent optical properties, while simultaneously providing remarkable transition properties, making it potentially useful for a wide range of applications in energy-efficient buildings.
Persistent Identifierhttp://hdl.handle.net/10722/305833
ISSN
2023 Impact Factor: 18.5
2023 SCImago Journal Rankings: 5.496
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLiu, S-
dc.contributor.authorDu, YW-
dc.contributor.authorTso, C-
dc.contributor.authorLee, HM-
dc.contributor.authorCheng, R-
dc.contributor.authorFeng, SP-
dc.contributor.authorYu, KM-
dc.date.accessioned2021-10-20T10:14:58Z-
dc.date.available2021-10-20T10:14:58Z-
dc.date.issued2021-
dc.identifier.citationAdvanced Functional Materials, 2021, v. 31 n. 26, p. article no. 2010426-
dc.identifier.issn1616-301X-
dc.identifier.urihttp://hdl.handle.net/10722/305833-
dc.description.abstractRecently, organic hybrid halide perovskites have been found to show thermochromism with good optical performance, which can be applied in smart windows to reduce building energy consumption. However, these perovskites have shortcomings regarding their thermochromic performance, namely long transition time, high transition temperature, and large transition hysteresis width. In this study, a hydrated MAPbI3−xClx thermochromic perovskite smart window (H-MAPbI3−xClx TPSW) is proposed, which undergoes a reversible transition between a transparent state and a dark reddish-brown tinted state with a high solar modulation ability of 23.7%. Most importantly, the H-MAPbI3−xClx TPSW possesses a tunable low transition temperature of 29.4 to 51.4 °C, a controllable and narrow transition hysteresis width (7.7–13.2 °C) and a short transition time (1–4 min). Additionally, a mathematical model is developed to predict the transition temperature of the H-MAPbI3−xClx TPSW. A field test is also conducted, demonstrating that the H-MAPbI3−xClx TPSW fitted to a model house can reduce the indoor air temperature by 3.5 °C compared to using a quartz glass window. Overall, the H-MAPbI3−xClx TPSW can yield excellent optical properties, while simultaneously providing remarkable transition properties, making it potentially useful for a wide range of applications in energy-efficient buildings.-
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.rightsSubmitted (preprint) Version This is the pre-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. Accepted (peer-reviewed) Version This 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.subjectenergy-efficient buildings-
dc.subjectperovskite-
dc.subjectsmart windows-
dc.subjectsolar modulation-
dc.subjectthermochromism-
dc.titleOrganic Hybrid Perovskite (MAPbI3−xClx) for Thermochromic Smart Window with Strong Optical Regulation Ability, Low Transition Temperature, and Narrow Hysteresis Width-
dc.typeArticle-
dc.identifier.emailFeng, SP: hpfeng@hku.hk-
dc.identifier.authorityFeng, SP=rp01533-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/adfm.202010426-
dc.identifier.scopuseid_2-s2.0-85103174578-
dc.identifier.hkuros327711-
dc.identifier.volume31-
dc.identifier.issue26-
dc.identifier.spagearticle no. 2010426-
dc.identifier.epagearticle no. 2010426-
dc.identifier.isiWOS:000633499500001-
dc.publisher.placeGermany-

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