Imperial College London Featured PhD Programmes
Sheffield Hallam University Featured PhD Programmes
Imperial College London Featured PhD Programmes
Imperial College London Featured PhD Programmes
Max Planck Society Featured PhD Programmes

Understanding The Role of Spin in Organic Polaritonics

  • 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

In organic semiconductors, the spin of the excited-state can vary from S=0 to S=2. This spin quantum number determines the electronic and photonic properties of the excited-states and device operation. The ability to manipulate or control spin is an important goal in organic semiconductor technology with applications in spintronics, solar cells and light-emitting devices.

Our recent work suggests that placing an organic semiconductor between a pair of closely spaced mirrors (i.e. in a microcavity) in the strong light-matter coupling regime side-steps the spin selection rules, allowing polariton emission from a reservoir of high-spin states. This surprising result has important consequences and demands further study.

In this project you will make organic semiconductor microcavities and study their polariton emission as a function of magnetic field to understand how strong light-matter coupling affects the spin selection rules. You will use time-resolved and temperature-dependent emission spectroscopy to uncover the role of spin in organic polaritonics.

Science Graduate School:
As a PhD student in one of the science departments at the University of Sheffield, you’ll be part of the Science Graduate School – a community of postgraduate researchers working across biology, chemistry, physics, mathematics and psychology. You’ll get access to training opportunities designed to support your career development by helping you gain professional skills that are essential in all areas of science. You’ll be able to learn how to recognise good research and research behaviour, improve your communication abilities and experience technologies that are used in academia, industry and many related careers. Visit to learn more.

Funding Notes

If you submit your application after the 31 March 2019, you will be considered for any remaining funding, but please note all of our funding may be allocated in the first round.

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