Uncovering the structural diversity of Y(III) naphthalene-2,6-dicarboxylate MOFs through coordination modulation

Griffin, S., Wilson, C. and Forgan, R. S. (2019) Uncovering the structural diversity of Y(III) naphthalene-2,6-dicarboxylate MOFs through coordination modulation. Frontiers in Chemistry, 7, 36. (doi:10.3389/fchem.2019.00036)

Griffin, S., Wilson, C. and Forgan, R. S. (2019) Uncovering the structural diversity of Y(III) naphthalene-2,6-dicarboxylate MOFs through coordination modulation. Frontiers in Chemistry, 7, 36. (doi:10.3389/fchem.2019.00036)

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Abstract

Metal-organic frameworks (MOFs) – network structures built from metal ions and clusters and connecting organic ligands – are typically synthesized by solvothermal self-assembly. For transition metal based MOFs, structural predictability is facilitated by control over coordination geometries and linker connectivity under the principles of isoreticular synthesis. For rare earth MOFs, coordination behaviour is dominated by steric and electronic factors, leading to unpredictable structures and poor control over self-assembly. Herein we show that coordination modulation – the addition of competing ligands into MOF syntheses – offers programmable access to six different Y(III) MOFs all connected by the same naphthalene-2,6-dicarboxylate ligand, despite controlled synthesis of multiple phases from the same metal-ligand combination often being challenging for rare earth MOFs. Four of the materials are isolable in bulk phase purity, three are amenable to rapid microwave synthesis, and the fluorescence sensing ability of one example towards metal cations is reported. The results show that a huge variety of structurally versatile MOFs can potentially be prepared from simple systems, and that coordination modulation is a powerful tool for systematic control of phase behaviour in rare earth MOFs.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Griffin, Miss Sarah and Wilson, Dr Claire and Forgan, Dr Ross
Authors: Griffin, S., Wilson, C., and Forgan, R. S.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Frontiers in Chemistry
Publisher:Frontiers Research Foundation
ISSN:2296-2646
ISSN (Online):2296-2646
Copyright Holders:Copyright © 2019 Griffin, Wilson and Forgan
First Published:First published in Frontiers in Chemistry 7: 36
Publisher Policy:Reproduced under a Creative Commons License
Data DOI:10.5525/gla.researchdata.728

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
608951Engineering and Physical Sciences Doctoral Training Grant 2012-16Mary Beth KneafseyEngineering and Physical Sciences Research Council (EPSRC)EP/K503058/1VPO VICE PRINCIPAL RESEARCH & ENTERPRISE
642131Doctoral Training Grant 2013 - 2017Mary Beth KneafseyEngineering and Physical Sciences Research Council (EPSRC)EP/L50497X/1R&I - RESEARCH STRATEGY & INNOVATION
678901EPSRC DTG 2014Mary Beth KneafseyEngineering and Physical Sciences Research Council (EPSRC)EP/M506539/1R&I - RESEARCH STRATEGY & INNOVATION
701101EPSRC 2015 DTPMary Beth KneafseyEngineering and Physical Sciences Research Council (EPSRC)EP/M508056/1R&I - RESEARCH STRATEGY & INNOVATION
663391EPSRC Centre for Innovative Manufacturing in Continuous Manufacturing and Crystallisation Doctoral Training CentreRoss ForganEngineering and Physical Sciences Research Council (EPSRC)EP/K503289/1SCHOOL OF CHEMISTRY