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Efficient luminescence from CsPbBr3 nanoparticles embedded in Cs4PbBr6

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dc.contributor.authorBao, Zhen
dc.contributor.authorTseng, Yu Jui
dc.contributor.authorYou, Wenwu
dc.contributor.authorZheng, Wei
dc.contributor.authorChen, Xueyuan
dc.contributor.authorMahlik, Sebastian
dc.contributor.authorLazarowska, Agata
dc.contributor.authorLesniewski, Tadeusz
dc.contributor.authorGrinberg, Marek
dc.contributor.authorMa, Chonggeng
dc.contributor.authorSun, Weihao
dc.contributor.authorZhou, Wuzong
dc.contributor.authorLiu, Ru Shi
dc.contributor.authorAttfield, J. Paul
dc.date.accessioned2021-08-20T23:37:49Z
dc.date.available2021-08-20T23:37:49Z
dc.date.issued2020-09-17
dc.identifier270440085
dc.identifierb41e8565-31ca-44a8-9ada-009818b676f3
dc.identifier85091191689
dc.identifier32822189
dc.identifier000574906500025
dc.identifier.citationBao , Z , Tseng , Y J , You , W , Zheng , W , Chen , X , Mahlik , S , Lazarowska , A , Lesniewski , T , Grinberg , M , Ma , C , Sun , W , Zhou , W , Liu , R S & Attfield , J P 2020 , ' Efficient luminescence from CsPbBr 3  nanoparticles embedded in Cs 4 PbBr 6 ' , Journal of Physical Chemistry Letters , vol. 11 , no. 18 , pp. 7637-7642 . https://doi.org/10.1021/acs.jpclett.0c02321en
dc.identifier.issn1948-7185
dc.identifier.otherORCID: /0000-0001-9752-7076/work/81405691
dc.identifier.urihttps://hdl.handle.net/10023/23811
dc.descriptionThis work was financially supported by the “Advanced Research Center of Green Materials Science and Technology” from The Featured Area Research Center Program within the framework of the Higher Education Sprout Project by the Ministry of Education (107L9006) and the Ministry of Science and Technology in Taiwan (MOST 107-2113-M-002-008-MY3, MOST 107-2923-M-002-004-MY3, and MOST 107-3017-F-002-001), the National Centre for Research and Development Poland Grant (No. PL-TW/V/1/2018), the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB20000000), the CAS/SAFEA International Partnership Program for Creative Research Teams, and the NSFC (Nos. U1805252 and 11774345). J.P.A. acknowledges financial support from EPSRC, U.K.en
dc.description.abstractCs4PbBr6 is regarded as an outstanding luminescent material with good thermal stability and optical performance. However, the mechanism of green emission from Cs4PbBr6 has been controversial. Here we show that isolated CsPbBr3 nanoparticles embedded within a Cs4PbBr6 matrix give rise to a “normal” green luminescence while superfluorescence at longer wavelengths is suppressed. High-resolution transmission electron microscopy shows that the embedded CsPbBr3 nanoparticles are around 3.8 nm in diameter and are well-separated from each other, perhaps by a strain-driven mechanism. This mechanism may enable other efficient luminescent composites to be developed by embedding optically active nanoparticles epitaxially within inert host lattices.
dc.format.extent6
dc.format.extent1403490
dc.language.isoeng
dc.relation.ispartofJournal of Physical Chemistry Lettersen
dc.subjectQD Chemistryen
dc.subjectMaterials Science(all)en
dc.subjectPhysical and Theoretical Chemistryen
dc.subjectNDASen
dc.subject.lccQDen
dc.titleEfficient luminescence from CsPbBr3 nanoparticles embedded in Cs4PbBr6en
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. School of Chemistryen
dc.contributor.institutionUniversity of St Andrews. EaSTCHEMen
dc.identifier.doi10.1021/acs.jpclett.0c02321
dc.description.statusPeer revieweden
dc.date.embargoedUntil2021-08-21
dc.identifier.urlhttps://pubs.acs.org/doi/10.1021/acs.jpclett.0c02321#notes1en


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