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Sascha Feldmann

Sascha Feldmann

EPSRC Doctoral Prize Fellow

Photophysics of novel semiconductors


Biography:

Sascha studied chemistry at the Universities of Heidelberg and Cambridge. After finishing his Master's thesis in the surface science group of Prof Petra Tegeder he returned to Cambridge for a PhD in physics within the optoelectronics group. He recently concluded his PhD works with Dr Felix Deschler and Prof Sir Richard Friend on ultrafast carrier dynamics in perovskites and other novel semiconductors.

Since October 2020 he is an EPSRC Doctoral Prize Fellow working on new molecular luminescent materials.

Research Interests

Charge carrier dynamics in perovskites and molecular semiconductors

Key Publications

 

S. Feldmann, S. Macpherson, S.P. Senanayak, M. Abdi-Jalebi, J.P.H. Rivett, G. Nan, G.D. Tainter, T.A.S. Doherty, K. Frohna, E. Ringe, R.H. Friend, H. Sirringhaus, M. Saliba, D. Beljonne, S.D. Stranks, F. Deschler, Photodoping through local charge carrier accumulation in alloyed hybrid perovskites for highly efficient luminescence.

Nature Photonics 14, 123 (2020). https://doi.org/10.1038/s41566-019-0546-8

Featured on the cover of Physik Journal 02/2020. https://www.pro-physik.de/physik-journal/februar-2020

 

Further Publications

 

B. D. Boruah, A. Mathieson, B. Wen, S. Feldmann, W. M. Dose, M. de Volder, Photo-rechargeable Zinc-ion Batteries.

Energy Environ. Sci. 13, 2414 (2020). https://doi.org/10.1039/D0EE01392G

 

S. A. BourelleR. ShivannaF. V. A. CamargoS. GhoshA. J. GillettS. P. SenanayakS. FeldmannL. EyreA. AshokaT. W. J. van de GoorH. AbolinsT. WinklerG. CerulloR. H. FriendF. Deschler, How Exciton Interactions Control Spin-Depolarisation in Layered Hybrid Perovskites.

Nano Lett. 20, 8, 5678 (2020). https://doi.org/10.1021/acs.nanolett.0c00867

 

T. Schmitt, S. Bourelle, N. Tye, G. Soavi, A. D. Bond, S. FeldmannB. Traore, C. Katan, J. Even, S. E. Dutton, F. Deschler, Control of Crystal Symmetry Breaking with Halogen-Substituted Benzylammonium in Layered Hybrid Metal-Halide Perovskites.

J. Am. Chem. Soc. 142, 11, 5060 (2020)https://doi.org/10.1021/jacs.9b11809

 

F. V. A. Camargo, T. Nagahara, S. Feldmann, J. M. Richter, R. H. Friend, G. Cerullo, F. Deschler, Dark Sub-Gap States in Metal-Halide Perovskites Revealed by Coherent Multidimensional Spectroscopy.

J. Am. Chem. Soc. 142, 2, 777 (2020)https://doi.org/10.1021/jacs.9b07169

 

S. Montanaro, A. J. Gillett, S. Feldmann, E. W. Evans, F. Plasser, R. H. Friend, I. A. Wright, Red-Shifted Delayed Fluorescence at the Expense of Photoluminescence Quantum Efficiency – an Intramolecular Charge-Transfer Molecule Based on a Benzodithiophene-4{,}8-Dione Acceptor.

Phys. Chem. Chem. Phys. 21, 10580 (2019). https://doi.org/10.1039/C9CP02186H

 

S. Weiß, D. Gerbert, A. Stein, A. K. Schenk, X. Yang, C. Brülke, R. Kremring, S. Feldmann, F. C. Bocquet, M. Gille, S. Hecht, M. Sokolowski, P. Tegeder, S. Soubatch, and F. S. Tautz, Dependence of the adsorption height of graphene-like adsorbates on their dimensionality.

Phys. Rev. B 98075410 (2018). https://doi.org/10.1103/PhysRevB.98.075410

 

S. Hanf, R. García-Rodríguez, S. Feldmann, A. D. Bond, E. Hey-Hawkins, D. S. Wright, Multidentate 2-pyridyl-phosphine ligands – towards ligand tuning and chirality.

Dalt. Trans. 46814 (2017). https://doi.org/10.1039/C6DT04390A