Leeuwendaal zoekt in opdracht van Tilburg University een Adjunct-Directeur Research & Impact.
Postdoc: Ultrafast Spectroscopy on Singlet Fission-sensitized Solar Cell Materials
In some organic semiconductors a singlet excited state can be converted into two triplet states via the process of singlet fission. Singlet fission can be utilized to boost the efficiency of solar cells. The project ...
- Mekelweg, Delft, Zuid-Holland
- Tijdelijk contract / Tijdelijke opdracht
- Uren per week:
- 38 uur
- € 3111 - € 4084 per maand
In some organic semiconductors a singlet excited state can be converted into two triplet states via the process of singlet fission. Singlet fission can be utilized to boost the efficiency of solar cells. The project involves development of a singlet fission add-on layer to Si solar cells. At TU Delft you will carry out pump-probe laser spectroscopy on exciton and charge carrier dynamics in the add-on layer and charge transfer to Si. You collaborate with PhD students at AMOLF (group of Bruno Ehrler) and at Wageningen Universtity (group of Han Zuilhof) where studies on development of materials and devices are carried out. Industrial partners are also involved in the project (Toyota Motor Europe (Brussels), ECN and Surfix Nanocoatings)
The add-on layer consists of e.g. tetracene and low band gap quantum dots. These will be coupled to the Si surface by special linker molecules.
You will study the formation, mobility and decay kinetics of excitons and charge carriers, using femtosecond and nanosecond pump-probe laser techniques with optical and terahertz/microwave conductivity detection. The spectroscopic studies should yield information about effects of the composition and structure of the add-on layer on the efficiency of singlet fission, Dexter or Förster energy transfer from the organic molecules to Si or quantum dots and eventual formation of free mobile charges in Si.
Candidates must have a doctors (Dr.) degree in physics, chemistry or a related area, and have experience with time-resolved spectroscopy.
TU Delft offers a customisable compensation package, a discount for health insurance and sport memberships, and a monthly work costs contribution. Flexible work schedules can be arranged. An International Children’s Centre offers childcare and an international primary school. Dual Career Services offers support to accompanying partners. Salary and benefits are in accordance with the Collective Labour Agreement for Dutch Universities.
For more information about this vacancy, please contact Prof.dr. L.D.A.Siebbeles e-mail: L.D.A.Siebbeles@tudelft.nl. Our webpage can be found at https://www.tudelft.nl/en/faculty-of-applied-sciences/about-faculty/departments/chemical-engineering/people/siebbeles-lda/people/profdr-laurens-siebbeles/. For more information about the selection procedure, please contact Ms. W.C.M. Stolwijk, Management Assistant, e-mail: W.C.M.Stolwijk@tudelft.nl. To apply, please send a letter of motivation, CV and at least two letters of recommendation or names of references and a list of publications to Prof. Siebbeles, e-mail: L.D.A.Siebbeles@tudelft.nl. When applying for this position, please refer to vacancy number TNWCE18-013.
Delft University of Technology (the TU Delft) is a multifaceted institution offering education and carrying out research in the technical sciences at an internationally recognised level. Education, research and design are strongly oriented towards applicability. The TU Delft develops technologies for future generations, focusing on sustainability, safety and economic vitality. At the TU Delft you will work in an environment where technical sciences and society converge. The TU Delft comprises eight faculties, unique laboratories, research institutes and schools.Faculty Applied Sciences
The Faculty of Applied Sciences is the largest faculty of TU Delft, with around 550 scientists, a support staff of 250 and 1,800 students. The faculty conducts fundamental, application-oriented research and offers scientific education at the bachelor, master and doctoral levels. The faculty is active in the fields of Life and Health Science & Technology, Nanoscience, Chemical Engineering, Radiation Science & Technology, and Applied Physics.
Our Mission is to generate knowledge and educate people in the area of nanochemical engineering to improve the quality of life for a sustainable society, focusing on energy, water, health and environment.
The Optoelectronic Materials section is part of the Department of Chemical Engineering. We study the nature and dynamics of excited states and charge carriers in organic semiconductor materials and inorganic lower dimensional nanostructures and perovskites.
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