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Structural diversity in layered hybrid perovskites, A2PbBr4 or AA′PbBr4, templated by small disc-shaped amines

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Date
08/09/2020
Author
Guo, Yuan-Yuan
Yang, Lin-Jie
Biberger, Simon
McNulty, Jason A.
Li, Teng
Schotz, Konstantin
Panzer, Fabian
Lightfoot, Philip
Keywords
QD Chemistry
DAS
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Abstract
We present three new hybrid layered lead(II) bromide perovskites of generic composition A2PbBr4 or AA′PbBr4, which exhibit three distinct structure types. [TzH]2PbBr4, ([TzH+]= 1,2,4-triazolium), adopts a (001)-oriented layer structure, [AaH]2PbBr4, ([AaH+] =acetamidinium), adopts a (110)-oriented type, whereas [ImH][TzH]PbBr4, ([ImH+] =imidazolium),adopts a rare (110)-oriented structure with enhanced corrugation (i.e. ‘3 ×3’ type). The crystal structures of each are discussed in terms of the differing natureof the templating molecular species. Photoluminescent spectra for each are reported and the behaviours discussed in relation to the different structure of each composition.
Citation
Guo , Y-Y , Yang , L-J , Biberger , S , McNulty , J A , Li , T , Schotz , K , Panzer , F & Lightfoot , P 2020 , ' Structural diversity in layered hybrid perovskites, A 2 PbBr 4 or AA′PbBr 4 , templated by small disc-shaped amines ' , Inorganic Chemistry , vol. 59 , no. 17 , pp. 12858-12866 . https://doi.org/10.1021/acs.inorgchem.0c01807
Publication
Inorganic Chemistry
Status
Peer reviewed
DOI
https://doi.org/10.1021/acs.inorgchem.0c01807
ISSN
0020-1669
Type
Journal article
Rights
Copyright Copyright © 2020 American Chemical Society. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1021/acs.inorgchem.0c01807
Description
Y.-Y.G. and T.L. acknowledge the University of St Andrews and China Scholarship Council for funding of studentships (201603780005) and (201606280032), respectively. J.A.M. and P.L. acknowledge financial support from the Leverhulme trust (RPG-2018-065). S.B., K.S. and F.P. acknowledge financial support from the German National Science Foundation via the Projects 423895689, KO 3973/2-1 and PA 3373/3-1 and further acknowledge support by the Bavarian State Ministry of Science, Research, and the Arts for the Collaborative Research Network ‘‘Solar Technologies go Hybrid’’.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/23756

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