21 days ago on emploi.epfl.ch

STI - PhD position in the group for fundamental BioPhotonics LBP

EPFL - Ecole Polytechnique Fédérale de Lausanne

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STI - PhD position in the group for fundamental BioPhotonics LBP

STI - PhD position in the group for fundamental BioPhotonics LBP

PhD Student Vacancy
“Investigating Photoinduced Processes at Semiconductor Interfaces by Surface-Specific Techniques”

Storing solar energy as chemical fuels is an attractive, yet challenging, possibility to increase the renewable part of our energy supply. Hydrogen, generated from splitting water in H2 and O2 using photocatalytic materials, is one of them. Semiconductor transition metal oxides are good candidates to facilitate this water splitting reaction, however currently their efficiencies are still relatively low. As the water splitting reaction occurs at the interface of these heterogeneous materials, a better understanding of surfaces/interfaces is crucial to provide new directions for materials and subsequent device optimization. However, only a few selected techniques are able to probe buried aqueous surfaces and interfaces from particles in solution, as bulk contributions commonly dominate. Nonlinear optical techniques are amongst them.

The Project
We are offering a PhD position in the frame of an SNF Ambizione Grant in the group for fundamental BioPhotonics (LBP) at the École Polytechnique Fédérale de Lausanne (EPFL), Switzerland. The candidate will use unique nonlinear optical techniques to investigate the surface of nano- and microscopic semiconductor materials, with focus on energy conversion. To do so new optical methods will be implemented and used to investigate interfacial structures and energy transport phenomena across semiconductor interfaces.

The Candidate
The highly motivated candidate will have a strong analytical ability. This interdisciplinary project touches on a wide range of topics related to physics, chemistry/material science, photonics and electrical engineering. Experience in nonlinear optics/microscopy, either theoretical or experimental is a bonus. We offer excellent working conditions and a state-of-the-art infrastructure in a highly dynamic and international environment at the forefront of research. The appointment is available starting January 1st, 2018. EPFL. PhD duration at EPL is on average four years. The salary is based on the salary scale of the Swiss National Science Foundation.

The Application Procedure
Applications should include a motivation letter, detailed CV, transcripts of diplomas as well as three letters of reference. In conjunction to the application the candidate should apply to one of the doctoral schools: Photonics or Materials Science (http:// phd.epfl.ch/programs). More Information to be found here: http:// phd.epfl.ch/prospective. Feel free to contact us in case of further question.

Contact
Arianna Marchioro
E-mail: arianna.marchioro@epfl.ch

STI/afs/01.09.2017