Structure-directing effects in (110)-layered hybrid perovskites containing two distinct organic moieties
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The hybrid perovskites (ImH)(GuH)PbBr4 and (TzH)(GuH)PbBr4 (ImH+ = imidazolium, GuH+ = guanidinium, TzH+ = 1,2,4-triazolium) both adopt (110)-oriented layer structures. However, the GuH+ cation adopts differing crystallographic sites in the two structures (intra-layer versus inter-layer); this is discussed in terms of the sizes of the organic cations and their hydrogen-bonding preferences.
Guo , Y-Y , McNulty , J A , Mica , N , Samuel , I D W , Slawin , A M Z , Buehl , M & Lightfoot , P 2019 , ' Structure-directing effects in (110)-layered hybrid perovskites containing two distinct organic moieties ' , Chemical Communications , vol. 55 , no. 67 , pp. 9935-9938 . https://doi.org/10.1039/C9CC04964A
Copyright © 2019 The Author(s). This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version 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/C9CC04964A
DescriptionWe acknowledge support from the University of St Andrews, the China Scholarship Council (studentship to YYG) and the Leverhulme trust (RPG-2018-065).
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