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Tailoring the Pore Size of Expanded Porphyrinoids for Lanthanide Selectivity

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Tailoring the Pore Size of Expanded Porphyrinoids for Lanthanide Selectivity. / Malcomson, Thomas; Edwards-Yates, Lewis; Kerridge, Andrew.
In: RSC Advances, Vol. 13, No. 41, 27.09.2023, p. 28426-28433.

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Malcomson T, Edwards-Yates L, Kerridge A. Tailoring the Pore Size of Expanded Porphyrinoids for Lanthanide Selectivity. RSC Advances. 2023 Sept 27;13(41):28426-28433. Epub 2023 Sept 27. doi: 10.1039/D3RA05710K

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Malcomson, Thomas ; Edwards-Yates, Lewis ; Kerridge, Andrew. / Tailoring the Pore Size of Expanded Porphyrinoids for Lanthanide Selectivity. In: RSC Advances. 2023 ; Vol. 13, No. 41. pp. 28426-28433.

Bibtex

@article{a86f351fc1834a01a6fc5d1279c75ecd,
title = "Tailoring the Pore Size of Expanded Porphyrinoids for Lanthanide Selectivity",
abstract = "Despite increase in demand, capacity for the recycling of rare earth elements remains limited, partly due to the inefficiencies with processes currently utilised in the separation of lanthanides. This study highlights the potential use of expanded porphyrinoids in lanthanide separation through selective binding, dependent on the tailored pore size of the macrocycle. Each emerging trend is subjected to multi-factored analysis to decompose the underlying source. Results promote the viability of size-based separation with preferential binding of larger lanthanum(iii) ions to amethyrin and isoamethyrin macrocycles, while smaller macrocycles such as pentaphyrin(0.0.0.0.0) present a preferential binding of lutetium(iii) ions. Additionally, the porphyrin(2.2.2.2) macrocycle shows a selectivity for gadolinium(iii) ions over both larger and smaller ions. An upper limit of applicable pore size is shown to be ≈2.8 {\AA}, beyond which the formed complexes are predicted to be less stable than the corresponding nitrate complexes.",
author = "Thomas Malcomson and Lewis Edwards-Yates and Andrew Kerridge",
year = "2023",
month = sep,
day = "27",
doi = "10.1039/D3RA05710K",
language = "English",
volume = "13",
pages = "28426--28433",
journal = "RSC Advances",
issn = "2046-2069",
publisher = "Royal Society of Chemistry",
number = "41",

}

RIS

TY - JOUR

T1 - Tailoring the Pore Size of Expanded Porphyrinoids for Lanthanide Selectivity

AU - Malcomson, Thomas

AU - Edwards-Yates, Lewis

AU - Kerridge, Andrew

PY - 2023/9/27

Y1 - 2023/9/27

N2 - Despite increase in demand, capacity for the recycling of rare earth elements remains limited, partly due to the inefficiencies with processes currently utilised in the separation of lanthanides. This study highlights the potential use of expanded porphyrinoids in lanthanide separation through selective binding, dependent on the tailored pore size of the macrocycle. Each emerging trend is subjected to multi-factored analysis to decompose the underlying source. Results promote the viability of size-based separation with preferential binding of larger lanthanum(iii) ions to amethyrin and isoamethyrin macrocycles, while smaller macrocycles such as pentaphyrin(0.0.0.0.0) present a preferential binding of lutetium(iii) ions. Additionally, the porphyrin(2.2.2.2) macrocycle shows a selectivity for gadolinium(iii) ions over both larger and smaller ions. An upper limit of applicable pore size is shown to be ≈2.8 Å, beyond which the formed complexes are predicted to be less stable than the corresponding nitrate complexes.

AB - Despite increase in demand, capacity for the recycling of rare earth elements remains limited, partly due to the inefficiencies with processes currently utilised in the separation of lanthanides. This study highlights the potential use of expanded porphyrinoids in lanthanide separation through selective binding, dependent on the tailored pore size of the macrocycle. Each emerging trend is subjected to multi-factored analysis to decompose the underlying source. Results promote the viability of size-based separation with preferential binding of larger lanthanum(iii) ions to amethyrin and isoamethyrin macrocycles, while smaller macrocycles such as pentaphyrin(0.0.0.0.0) present a preferential binding of lutetium(iii) ions. Additionally, the porphyrin(2.2.2.2) macrocycle shows a selectivity for gadolinium(iii) ions over both larger and smaller ions. An upper limit of applicable pore size is shown to be ≈2.8 Å, beyond which the formed complexes are predicted to be less stable than the corresponding nitrate complexes.

U2 - 10.1039/D3RA05710K

DO - 10.1039/D3RA05710K

M3 - Journal article

C2 - 37771918

VL - 13

SP - 28426

EP - 28433

JO - RSC Advances

JF - RSC Advances

SN - 2046-2069

IS - 41

ER -