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  4. Cooling dynamics of electrons in MAPbBr(3) probed in the deep-UV
 
conference paper

Cooling dynamics of electrons in MAPbBr(3) probed in the deep-UV

Rossi, Thomas Charles  
•
Wang, Lijie  
•
Oppermann, Malte  
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January 1, 2019
Xxi International Conference On Ultrafast Phenomena 2018 (Up 2018)
21st International Conference on Ultrafast Phenomena (UP)

Transient absorption in the Visible and in the deep-UV is performed on MAPbBr(3) thin films with 3.1 eV pump excitation. The UV probe can access higher order transitions in the material exploring different high-symmetry points of the Brillouin zone. Uncorrelated electron-hole pairs are generated within the instrument response function of 150 fs. The photobleaching at 3.3 eV shows that electron cooling happens in similar to 1 ps.

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epjconf_up2019_05020.pdf

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