Metal-Organic Frameworks for Energy Applications

Lead Research Organisation: University of Cambridge
Department Name: Chemistry

Abstract

Metal-organic frameworks (MOFs) have a range of prospective uses such as gas storage, carbon capture, electrocatalysis and redox activity. By altering functional groups on the linkers or exchanging metal atoms in the clusters, their properties can be tuned to increase catalytic or redox activity, or to increase the variety of reactions which can take place within the MOF pores.

Since the first reports of the UiO-66 and UiO-67 MOF families in 2008 (Lillerud et al.), these structures have been noted for their stability, making them good potential candidates for a range of applications. Recent work has shown that defects in UiO-type MOFs can be harnessed to produce new phases, and, in particular, to create two-dimensional nanosheets through the incorporation of directionally-ordered defects.

This project aims to investigate further methods for synthesising dimensionally-controlled MOF frameworks such as nanosheets or nanowires, and improve understanding of their formation and properties via characterisation with NMR and powder diffraction in particular. This can be expanded to MOFs with different organic linkers, leading to exploration of their utility as separating membranes.

This project would therefore include investigation into methods of incorporating the MOF into a membrane or coating, testing its functionality for various applications.

Publications

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Studentship Projects

Project Reference Relationship Related To Start End Student Name
EP/N509620/1 01/10/2016 30/09/2022
1943107 Studentship EP/N509620/1 01/10/2017 30/09/2021 Francesca Firth
 
Description We discovered that it is possible to intentionally generate defects (missing clusters/linkers) within a metal-organic framework (MOF). The spatial location and correlation of these defects can be controlled by changing the synthesis conditions, leading to the formation of new bulk MOF structures: the defects may also have an effect on the acidity or catalytic ability of the framework.
Most MOFs are three-dimensional, and recent attempts to create two-dimensional MOFs are mainly multi-step or produce poorly crystalline materials. However, our work on defect-engineering of MOFs allowed us to create highly crystalline and stable MOF nano-sheets directly through a straightforward synthesis.
This work on defect-engineering MOFs raises the possibility of harnessing defects to produce new structures and dimensionalities of other MOFs, with new reactive properties. This opens up routes to the production of novel MOF nano-materials for use in applications such as catalysis or membranes for separator films in energy storage devices.
This work has also led to an ongoing collaboration investigating the long-range ordering and hence potential growth mechanisms of these defects within the MOF. This understanding will further allow intentional/controlled design of the structure and hence enhanced properties of new MOF materials.
Exploitation Route The understanding of defect-engineering provided by our study will benefit academic research into the intentional design of and synthetic control for new metal-organic framework structures and nanomaterials. The nanomaterials we made may be exploited by academic or industrial researchers for use as, for example, catalysts or separating membranes.
Sectors Chemicals,Energy

 
Description Elizabeth Kolb Memorial Fund travel award
Amount £1,000 (GBP)
Organisation The Elizabeth Kolb Memorial Trust 
Sector Charity/Non Profit
Country United Kingdom
Start 12/2018 
End 12/2018
 
Description MOF2018 Conference Registration Bursary
Amount £650 (GBP)
Organisation Royal Society of Chemistry 
Sector Charity/Non Profit
Country United Kingdom
Start 12/2018 
End 12/2018
 
Description Travel Award
Amount £500 (GBP)
Organisation University of Cambridge 
Sector Academic/University
Country United Kingdom
Start 12/2018 
End 12/2018
 
Description Travel Award
Amount £350 (GBP)
Organisation University of Cambridge 
Sector Academic/University
Country United Kingdom
Start 12/2018 
End 12/2018
 
Description Analytical and Computational Techniques for article "Engineering New Defective Phases of UiO Family Metal-Organic Frameworks with Water" 
Organisation University College London
Department Department of Chemistry
Country United Kingdom 
Sector Academic/University 
PI Contribution I proposed the study and performed the necessary synthesis of materials and the majority of the characterisation, created an initial model of the materials, and was first-author on the resulting paper.
Collaborator Contribution The collaborators performed gas sorption analysis using their equipment and expertise, and performed computer simulations to optimise the model of the materials.
Impact DOI 10.1039/C8TA10682G
Start Year 2017
 
Description Analytical and Computational Techniques for article "Engineering New Defective Phases of UiO Family Metal-Organic Frameworks with Water" 
Organisation University of Cambridge
Country United Kingdom 
Sector Academic/University 
PI Contribution I proposed the study and performed the necessary synthesis of materials and the majority of the characterisation, created an initial model of the materials, and was first-author on the resulting paper.
Collaborator Contribution The collaborators performed gas sorption analysis using their equipment and expertise, and performed computer simulations to optimise the model of the materials.
Impact DOI 10.1039/C8TA10682G
Start Year 2017
 
Description Exploring the correlation of defect domains in metal-organic frameworks 
Organisation University of Cambridge
Department Department of Materials Science & Metallurgy
Country United Kingdom 
Sector Academic/University 
PI Contribution I helped design the study, synthesized the samples, acquired and analysed some of the characterisation data, and helped revise the manuscript.
Collaborator Contribution The principal collaborator proposed and designed the study, collected data on my samples using the main characterisation method, analysed the data, and wrote the manuscript. Another collaborator assisted with analysis of some of my characterisation data.
Impact Paper to be submitted shortly
Start Year 2019
 
Description Exploring the correlation of defect domains in metal-organic frameworks 
Organisation University of Leeds
Department School of Chemistry Leeds
Country United Kingdom 
Sector Academic/University 
PI Contribution I helped design the study, synthesized the samples, acquired and analysed some of the characterisation data, and helped revise the manuscript.
Collaborator Contribution The principal collaborator proposed and designed the study, collected data on my samples using the main characterisation method, analysed the data, and wrote the manuscript. Another collaborator assisted with analysis of some of my characterisation data.
Impact Paper to be submitted shortly
Start Year 2019
 
Description Exploring the correlation of defect domains in metal-organic frameworks 
Organisation University of Nottingham
Department School of Chemistry Nottingham
Country United Kingdom 
Sector Academic/University 
PI Contribution I helped design the study, synthesized the samples, acquired and analysed some of the characterisation data, and helped revise the manuscript.
Collaborator Contribution The principal collaborator proposed and designed the study, collected data on my samples using the main characterisation method, analysed the data, and wrote the manuscript. Another collaborator assisted with analysis of some of my characterisation data.
Impact Paper to be submitted shortly
Start Year 2019
 
Description School Visit (London) 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach Regional
Primary Audience Schools
Results and Impact More than 40 students attended an extracurricular talk I gave at their school, having been invited to present by their Science Society. Sparked interest in energy/green materials and metal-organic frameworks, leading to a very good Q+A and discussion afterwards. The teachers reported increased interest in related subjects and queries about applying for related undergraduate degree courses.
Year(s) Of Engagement Activity 2020
 
Description Selwyn Seminar Series presentation 
Form Of Engagement Activity A talk or presentation
Part Of Official Scheme? No
Geographic Reach Local
Primary Audience Postgraduate students
Results and Impact Presented my research as part of the Graduate Seminar Series to other postgraduate students at my college, which sparked interest in my work from senior academics within college.
Year(s) Of Engagement Activity 2019