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SUMMARY:Organic/Inorganic Hybrid Materials: Where Physics Meets Chemistry 
 - Professor Claudia Draxl\, Humboldt University of Berlin
DTSTART:20240424T133000Z
DTEND:20240424T143000Z
UID:TALK211363@talks.cam.ac.uk
CONTACT:Lisa Masters
DESCRIPTION:Most fascinating phenomena are observed in materials where var
 ious interactions take place on the same energy scale. Prominent examples 
 thereof are organic-inorganic hybrid systems whose building blocks are ver
 y different in nature. Being governed by the interplay of electron-electro
 n interaction\, electron-phonon coupling\, electron-hole correlations\, an
 d potentially also spin-orbit coupling\, they pose challenges to the ab in
 itio description of their electronic excitations. For example\, density-fu
 nctional theory has been found to predict the wrong level alignment at int
 erfaces of organic molecules and 2D materials and therefore cannot be used
  as a starting point for describing optical and transport properties. Here
 \, forefront many-body methodology is required to treat all interactions o
 n the same footing. I will show the critical role of mutual dynamical scre
 ening of the constituents and how hybrid and charge transfer excitations c
 an form at such interfaces. Another important example that I will present 
 in this context\, are 3D and 2D hybrid halide perovskites. In addition to 
 discussing exciton physics in such complex materials\, I will give an outl
 ook towards exciton dynamics.
LOCATION:Unilever Lecture Theatre\, Yusuf Hamied Department of Chemistry
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