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Three new lead iodide chain compounds, APbI3, templated by molecular cations

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Guo_2019_Crystals_Three_CC.pdf (1.109Mb)
Date
24/11/2019
Author
Guo, Yuan-Yuan
Yang, Lin-Jie
Lightfoot, Philip
Keywords
Lead halides
Hybrid perovskites
Crystal structure
QD Chemistry
DAS
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Abstract
The crystal structures of three new hybrid organic-inorganic lead halide compounds [IqH]PbI3, [4MiH]PbI3, and [BzH]PbI3 ([IqH+] = isoquinolinium, [4MiH+] = 4-methylimidazolium, [BzH+] = benzotriazolium) have been determined by single crystal x-ray diffraction. All three compounds have the same generic formula as perovskite, ABX3, but adopt a rare non-perovskite structure built from one dimensional (1D) edge-sharing octahedral chains. The bandgap of each compound was investigated by solid UV–Vis spectra. In comparison with previously reported hybrid compounds containing the same type of octahedral chains, [C10H7CH2NH3]Pbl3 and (C7H7N2)PbI3, all three new compounds have lower bandgaps (<2.4 ev), indicating that they may be promising for photovoltaic application.
Citation
Guo , Y-Y , Yang , L-J & Lightfoot , P 2019 , ' Three new lead iodide chain compounds, APbI 3 , templated by molecular cations ' , Crystals , vol. 9 , no. 12 , 616 . https://doi.org/10.3390/cryst9120616
Publication
Crystals
Status
Peer reviewed
DOI
https://doi.org/10.3390/cryst9120616
ISSN
2073-4352
Type
Journal article
Rights
Copyright © 2019 The Author(s). This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Description
This research was funded by the China Scholarship Council, grant number 201603780005” the University of St Andrews.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/19067

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