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Spin-sensitive windows into molecular photonic materials

   College of Science and Engineering

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  Dr Sam Bayliss  No more applications being accepted  Competition Funded PhD Project (Students Worldwide)

About the Project

Molecular semiconductors offer a tunable, low-cost platform to develop a range of photonic applications ranging from energy harvesting and light emission to bio-imaging. Novel photophysical phenomena supported by these molecular materials offer a route to next-generation devices which can, for example, spectrally engineer solar irradiation through photon up- or down-conversion, or reach record quantum efficiencies.

Importantly, the quantum-mechanical property of spin plays a central role in governing the properties and performance of these next-generation molecular materials. For example, photon up-conversion in light-harvesting systems depends on the spin-dependent encounter of two spin-1 excited states (triplet excitons), while electroluminescence in light-emitting diodes depends on the spin-sensitive encounter of two spin-1/2 states. Furthermore, since such spin states are highly sensitive to their local environment, they can provide important nanoscopic insights for engineering new photonic functionality.

This project seeks to use spin as a sensitive window into next-generation molecular photonic materials. You will apply a range of spin-sensitive techniques to gain fundamental insight into processes ranging from thermally activated delayed fluorescence for next-generation light-emitting diodes to triplet-triplet annihilation upconversion for energy harvesting and bio-imaging. Through this work, you will contribute new understanding of the structure and dynamics of molecular photonic materials and the foundations with which to engineer next-generation devices.

This multidisciplinary effort will span a range of activities including spin-optical spectroscopy, magnetic resonance, materials and device characterisation, and quantum-mechanical modelling, and you will have access to leading nanofabrication facilities at the University of Glasgow. This project will enable you to acquire a broad set of skills spanning optical spectroscopy and microscopy, microwave electronics, device fabrication, and generate new approaches for using spin in molecular semiconductors.

We are committed to fostering and promoting equity, diversity, and inclusion, and applications are particularly welcome from candidates from under-represented groups. We strive to reflect and celebrate the diversity of our wider community, and promote a supportive and flexible working environment in all our activities.

Please contact Dr Sam Bayliss for informal enquiries.

Further details on the application procedure are available here and here, including information on the Mary Gibb Dunlop Scholarships that have been established to support exceptional female academics (and those identifying as female) to undertake postgraduate research within the James Watt School of Engineering.

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