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My current research focuses on 2D semiconductors such as phosphorene and antimonene and is directed to answer the following questions:

  • How does the mobility of electrons, holes, and excitons depend on the thickness of the 2D semiconductor? Is quantum confinement resulting in a different mobility as theoretically predicted and which sheet thickness is the optimum for optoelectronic applications?
  • What is the nature of excited states in 2D semiconductors? Are excitons or free charges generated when they are photoexcited?
  • How do excitons or charges decay in 2D? Are they recombining radiatively or non-radiatively, or are they trapped at defects? Also, is more than one electron-hole pair generated by excitation with a photon (carrier multiplication)?


I started in 2016 to work as a FOM/f fellow under supervision of prof. dr. Laurens Siebbeles in the project “Dynamics of Charge Carriers and Excitons in Phosphorene”. Before working at the TU Delft, I studied electrical engineering at the Universität Duisburg-Essen in Germany. After that, I conducted my PhD research within an industrial partnership programme between AMOLF and Philips Research in Eindhoven, The Netherlands. I have defended my PhD thesis “Propagation of Light in Ensembles of Semiconductor Nanowires” in 2010 at Eindhoven University of Technology. In 2011, I moved to ICFO-Institute of Photonic Sciences in Barcelona, Spain, where I worked as a Marie-Curie fellow on plasmonically enhanced quantum dot photodetectors.