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SUMMARY:Exciton optics\, dynamics and transport in layered perovskites -  
 Joshua Thompson\, University of Cambridge
DTSTART:20240311T140000Z
DTEND:20240311T143000Z
UID:TALK213040@talks.cam.ac.uk
CONTACT:Kang Wang
DESCRIPTION:The performance of layered perovskites is dictated by the rich
  excitonic landscape in these materials. In this talk\, I will explain how
  excitons in these materials can be modelled and uncover the optical spect
 ra\, phonon-mediated relaxation dynamics and exciton transport in layered 
 perovskites. In particular\, I will explain the peculiarly large emission 
 from perovskites at low temperatures\, elucidated through theory and exper
 iment. Recent advances in synthesis have allowed our collaborators to crea
 te moiré superlattices from perovskites. Here I will use my theoretical m
 odel to explain the localisation of excitons observed in these novel twist
 ed systems.
LOCATION:Maxwell Centre\, Rayleigh Seminar Room
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