Victor V. Volkov
Quantitative Raman microscopy to describe structural organisation in hollow microcrystals built from silicon catecholate and amines
Volkov, Victor V.; Blundell, Toby J.; Argent, Stephen; Perry, Carole C.
Authors
Toby J. Blundell
STEPHEN ARGENT stephen.argent@nottingham.ac.uk
Senior Research Fellow
Carole C. Perry
Abstract
Macroscopic scale hollow microcrystals are a promising group of materials for gas and liquid uptake as well as sensing. In this contribution we describe the structure of hollow hexagonal cross-section crystals formulated as salts of a silicon catecholate anion and a tetramethylenediamine (TEMED) cation. Using a combination of X-ray single crystal diffraction, Raman spectroscopy and quantum chemistry we explore the structural properties of the hollow microcrystals. With the X-ray structural data as a starting point and assisted with quantum chemistry we compute Raman tensors to fit polarisation sensitive spectral responses and predict the orientation and packing of unit cells in respect to the long and short axis of the synthesised microcrystals. Using these newly developed methods for predicting molecular Raman responses in space with dependence on local orientation, we present the quantitative analysis of experimental Raman images of both hexagonal and tetragonal cross section hollow microcrystals formed from silicon catecholate anions using different amines as counterions. We describe the distributions of chemical components at the surfaces and edges of microcrystals, address the effect of catcholate hydrophobicity on water uptake and discuss possible strategies in chemical and post-assembly modifications to widen the functional properties of this group of environmentally friendly silicon organic framework (SOF) materials.
Citation
Volkov, V. V., Blundell, T. J., Argent, S., & Perry, C. C. (2023). Quantitative Raman microscopy to describe structural organisation in hollow microcrystals built from silicon catecholate and amines. Dalton Transactions, 52(21), 7249-7257. https://doi.org/10.1039/d3dt00856h
Journal Article Type | Article |
---|---|
Acceptance Date | May 4, 2023 |
Online Publication Date | May 4, 2023 |
Publication Date | Jun 7, 2023 |
Deposit Date | May 15, 2023 |
Publicly Available Date | May 16, 2023 |
Journal | Dalton Transactions |
Print ISSN | 1477-9226 |
Electronic ISSN | 1477-9234 |
Publisher | Royal Society of Chemistry (RSC) |
Peer Reviewed | Peer Reviewed |
Volume | 52 |
Issue | 21 |
Pages | 7249-7257 |
DOI | https://doi.org/10.1039/d3dt00856h |
Keywords | Inorganic Chemistry |
Public URL | https://nottingham-repository.worktribe.com/output/20567407 |
Publisher URL | https://pubs.rsc.org/en/content/articlelanding/2023/DT/D3DT00856H |
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Quantitative Raman microscopy
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Publisher Licence URL
https://creativecommons.org/licenses/by/3.0/
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