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PhD Revealing Loss and Degradation Mechanisms in Metal Halide Perovskite Solar Cells

Never has a solar cell technology improved as quickly as solar cells made from metal halide perovskites (MHPs). Due to a combination of favourable properties including high optical absorption, slow charge carrier recombination and relatively ...

6 maanden geleden

Arbeidsvoorwaarden

Standplaats:
Mekelweg, Delft, Zuid-Holland
Dienstverband:
Tijdelijk contract / Tijdelijke opdracht
Uren per week:
38 - 38 uur
Salarisindicatie:
€ 2222 - € 2840 per maand
Opleidingsniveau:
WO

Functieomschrijving

Never has a solar cell technology improved as quickly as solar cells made from metal halide perovskites (MHPs). Due to a combination of favourable properties including high optical absorption, slow charge carrier recombination and relatively high charge carrier mobilities, solar cells with an efficiency over 22% can be made. One of the central loss mechanisms is formed by shallow or deep trap states limiting the efficiency. In this PhD project, we aim to develop a new and sensitive method based on the time resolved microwave conductivity technique to reveal these states in MHPs. This fundamental knowledge allows us to find a relationship between the structural and the optoelectronic properties of MHPs. Such fundamental knowledge will guide new formulations of MHP layers and consequently devices that can perform close to the theoretical limit. The project is a collaboration with EPFL, Swiss and Solliance, Eindhoven.

Functie-eisen

To reveal bulk and surface trap states we will adapt the unique time-resolved microwave photoconductivity technique by including a second NIR push laser pulse, which requires good physical experimental skills. In addition, for the preparation and characterization of perovskites samples chemical expertise is highly desired. In addition, excellent oral and written skills of the English language are essential. Candidates must have a university (MSc) degree in physics, material science, chemistry or a related area.

Conditions

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.

As a PhD candidate you will be enrolled in the TU Delft Graduate School. TU Delft Graduate School provides an inspiring research environment; an excellent team of supervisors, academic staff and a mentor; and a Doctoral Education Programme aimed at developing your transferable, discipline-related and research skills. Please visit www.tudelft.nl/phd for more information.

Additional information

For more information about this position, please contact Dr. Tom Savenije, e-mail: T.J.Savenije@tudelft.nl. 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, a CV, a list of courses followed and marks obtained, and names of references by 18 March 2018 to Dr. Tom Savenije, e-mail: T.J.Savenije@tudelft.nl.

Bedrijfsomschrijving

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 (nano)chemical engineering to improve the quality of life for a sustainable society, focusing on energy, water, health and environment.

For more information: https://www.tudelft.nl/en/faculty-of-applied-sciences/about-faculty/departments/chemical-engineering/people/tom-savenije/