Principles of melting in hybrid organic-inorganic perovskite and polymorphic ABX3 structures.
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Authors
Castillo-Blas, Celia
Ríos Gómez, María Laura
Forrest, Tom
Lopez, Maria Diaz
Publication Date
2022-02-16Journal Title
Chem Sci
ISSN
2041-6520
Publisher
Royal Society of Chemistry (RSC)
Volume
13
Issue
7
Pages
2033-2042
Language
eng
Type
Article
This Version
VoR
Metadata
Show full item recordCitation
Shaw, B. K., Castillo-Blas, C., Thorne, M. F., Ríos Gómez, M. L., Forrest, T., Lopez, M. D., Chater, P. A., et al. (2022). Principles of melting in hybrid organic-inorganic perovskite and polymorphic ABX3 structures.. Chem Sci, 13 (7), 2033-2042. https://doi.org/10.1039/d1sc07080k
Description
Funder: European Social Fund
Funder: University of Cambridge
Abstract
Four novel dicyanamide-containing hybrid organic-inorganic ABX3 structures are reported, and the thermal behaviour of a series of nine perovskite and non-perovskite [AB(N(CN)2)3] (A = (C3H7)4N, (C4H9)4N, (C5H11)4N; B = Co, Fe, Mn) is analyzed. Structure-property relationships are investigated by varying both A-site organic and B-site transition metal cations. In particular, increasing the size of the A-site cation from (C3H7)4N → (C4H9)4N → (C5H11)4N was observed to result in a decrease in T m through an increase in ΔS f. Consistent trends in T m with metal replacement are observed with each A-site cation, with Co < Fe < Mn. The majority of the melts formed were found to recrystallise partially upon cooling, though glasses could be formed through a small degree of organic linker decomposition. Total scattering methods are used to provide a greater understanding of the melting mechanism.
Sponsorship
Royal Society (RG94426, UF150021)
Leverhulme Trust (RPG-2020-005)
Science and Engineering Research Board (NIF/R1/180163)
Identifiers
35308849, PMC8849004
External DOI: https://doi.org/10.1039/d1sc07080k
This record's URL: https://www.repository.cam.ac.uk/handle/1810/336300
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