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Metallosupramolecular assemblies and metal-organic frameworks

  • Full or part time
  • Application Deadline
    Applications accepted all year round
  • Competition Funded PhD Project (Students Worldwide)
    Competition Funded PhD Project (Students Worldwide)

Project Description

Nanometre-sized polyhedral or prismatic chemical architectures can self-assemble from combinations of transition metal cations and multifunctional ligands. Likewise supramolecular materials such as coordination polymers or metal-organic frameworks (MOFs) may be formed. These assemblies are often hollow or porous and provide a confined chemical space where other molecules can be bound.

Hence many of these systems are being developed as nano-scale vessels or crystalline sponges for chemical entrapment, signalling and sensors, and even as tiny reaction vessels. We use the host molecule cyclotriveratrylene (CTV) as a scaffold as its relatively rigid pyramidal shape lends itself to the formation of cage-like or porous species, and analogues with three or six metal-binding groups can be made. These can form discrete metallo-cages, MOFs or other network materials including unique chemical topologies such as a Borromean chain-mail.

Different potential projects in this area include (i) functional metallo-cages for applications such as molecular recognition, chemical sensors or catalysis; (ii) trinuclear complexes of host ligands with luminescent or catalytic properties; (iii) stimuli-responsive metallo- and organic cages which can change shape or composition with a physical or chemical trigger. All projects include multi-step organic synthesis of ligands, synthetic coordination and supramolecular chemistry, solution characterisation of assemblies and host-guest and other properties using spectroscopic techniques, single crystal X-ray crystallography, and more.

Funding Notes

This project is open to self-funded students and is eligible for funding in an open competition across the School of Chemistry, see funding schemes for details.

How good is research at University of Leeds in Chemistry?

FTE Category A staff submitted: 34.40

Research output data provided by the Research Excellence Framework (REF)

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