Postdoc «Ultrafast laser spectroscopy on excitons and charges in 2D materials» at Delft University of Technology in The Netherlands

The project focuses on ultrathin 2D layered metal-chalcogenide semiconductors and topological insulators that are of interest for development of highly efficient ultrathin photovoltaics.
You will carry out femtosecond pump-probe laser spectroscopy on exciton and charge carrier dynamics in materials such as 2D semiconductors MX2 (M = Mo, W, Re, Zr, or Hf and X = S, Se or Te) and topological insulator nanosheets (e.g. Bi2Se3). Using optical and terahertz conductivity measurements you will characterise the formation, mobility and decay kinetics of excitons and charge carriers. Particular attention will be paid to production of two or more electron-hole pairs for the absorption of a single photon via a process known as carrier multiplication (CM). CM can significantly enhance the efficiency of a solar cell.
The project has a duration of 21 months and is carried out in collaboration with prof. Peter Schall at the University of Amsterdam and Toyota Motor Europe in Brussels.
Candidates must have a PhD degree and experience with time-resolved laser spectroscopy.
More information about the group of Laurens Siebbeles can be found at:
https://www.tudelft.nl/tnw/over-faculteit/afdelingen/chemical-engineering/principal-scientists/laurens-siebbeles/laurens-siebbeles-group

Please send a motivation letter, CV, list of publications and contact information of references (or letters of recommendation) to Prof. Dr. L.D.A. Siebbeles, e-mail: l.d.a.siebbeles@tudelft.nl.

Conditions of employment
You will be appointed on a contract for 21 months. Your salary is in the range € 2846 to € 4490 per month. Benefits are in accordance with the Collective Labour Agreement for Dutch Universities.
The TU Delft offers a customisable compensation package, a discount on health insurance and sport memberships, and a monthly work costs contribution. Flexible work schedules can be arranged.

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