Structural diversity of lead halide chain compounds, APbX3, templated by isomeric molecular cations
MetadataShow full item record
Three new 1D chain structure type hybrid organic–inorganic lead(II) halides are presented: IQPbBr3, QPbBr3 and QPbI3, templated by large organic cations, isoquinolinium ([IQ+] = protonated isoquinoline) and its isomer quinolonium ([Q+] = protonated quinoline). All three compounds possess the same generic formula as cubic perovskite, ABX3, but adopt different structures. IQPbBr3 adopts a 1D face-sharing single chain hexagonal perovskite structure type, and the other two, QPbBr3 and QPbI3, adopt a non-perovskite structure which is built from 1D edge-sharing octahedral double chains. Crystal structures and preliminary photophysical properties are discussed. Two of them have lower bandgaps than the other reported materials with the same structure type, indicating the value of further exploratory studies for these types of materials.
Guo , Y-Y & Lightfoot , P 2020 , ' Structural diversity of lead halide chain compounds, APbX 3 , templated by isomeric molecular cations ' , Dalton Transactions , vol. 49 , no. 36 , pp. 12767-12775 . https://doi.org/10.1039/D0DT02782K
Copyright © 2020 the Author(s). 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/10.1039/D0DT02782K
DescriptionWe acknowledge support from the University of St Andrews, the China Scholarship Council (studentship to YYG).
Items in the St Andrews Research Repository are protected by copyright, with all rights reserved, unless otherwise indicated.