PhD Student – Modelling the Fabrication Process of Organic Solar CellsForschungszentrum Jülich GmbH • Helmholtz-Institut Erlangen-Nürnberg (HI ERN) • Erlangen

Germany Universities

Germany

August 6, 2021

Description

Open Positions 1

Time Span as soon as possible for 3 years Application Deadline 06 Aug 2021 Financing yes Type of Position

  • PhD - Doctoral Programme
  • Field of Research

  • Mathematics / Natural Sciences
  • Engineering
  • Subjects materials science Description Conducting research for a changing society: This is what drives us at Forschungszentrum Jülich. As a member of the Helmholtz Association, we aim to tackle the grand societal challenges of our time and conduct research into the possibilities of a digitized society, a climate- friendly energy system, and a resource-efficient economy. Work together with around 6,800 employees in one of Europe's biggest research centres and help us to shape change!

    Would you like to contribute to the energy transition in Germany through your work? Then the Helmholtz Institute Erlangen-Nürnberg (for Renewable Energy) (HI ERN) is the right place for you! The HI ERN forms the core of the close partnership between Forschungszentrum Jülich, Helmholtz-Zentrum Berlin for Materials and Energy, and Friedrich-Alexander-Universität Erlangen-Nürnberg at the Erlangen site. The collaboration relates to the areas of innovative materials and processes for photovoltaic energy systems and hydrogen as a storage and carrier medium for CO2-neutral energy. Support us researching and developing solutions for the climate-neutral, sustainable, and cost-effective utilization of renewable energies.

    The successful candidate will be part of the research department “Dynamics of Complex Fluids and Interfaces”, headed by Prof. Dr. Jens Harting. The research focus of this HI ERN department is to contribute to the fundamental understanding of the physics underlying the formation of thin films and the development of simulation and modelling techniques for printing and coating processes.

    We are looking to recruit a PhD Student – Modelling the Fabrication Process of Organic Solar Cells

    Your Job: Organic solar cells belong to the emerging photovoltaic technologies that can contribute to the energy transition in the near future. They have been greatly improved in the past few years, reaching outstanding 18% conversion efficiency. Compared to silicon devices, these solution-processed solar cells are low cost and eco-friendly and allow new kinds of application thanks to their flexibility and partial transparency. Nevertheless, the efficiency and life time of these solar cells have still to be improved. Aside from material development, the fabrication process is known to play a crucial role in their performance: during drying of the light-absorbing layer, a complex nanostructure forms that determines the layer properties. However, the understanding of the process-structure relationship has to be improved. A recently developed simulation framework enables the investigation of the film structuration during the fabrication process. The focus of the doctorate study is to gain physical insight into the formation of solution-processed bulk- heterojunction photoactive layers with the help of high-performance phase- field simulations, so as to gain control on the final film nanostructure.

    In this exciting field your tasks include: - To validate this simulation tool by performing simulations on real systems; the input parameters will be identified and the simulation results compared with experimental characterization of the film morphology in close collaboration with experimental groups - To elucidate physics-based design rules for ink formulation and process parameters to be used for the solution-based processing of large-area bulk- heterojunction solar cells - To contribute to the code development and improvement - Participation in project meetings - Coordination with internal and external partners - Publication and presentation of research results in relevant journals or at international conferences

    Your Profile: - Successfully completed scientific master's degree in physics or materials science with excellent grades, preferably with a specialization on theory and simulation - Knowledge of at least one programming language Experience with using Unix / Linux operating systems - Skills in simulation and/or modelling - Motivation to tackle interdisciplinary problems and to collaborate with experimental groups - High motivation for pursuing a PhD within three years - Excellent organizational skills - Ability to show initiative and work independently - Excellent cooperation and communication skills and ability to work as part of a team - Excellent skills in spoken and written English

    Our Offer: We work on the very latest issues that impact our society and are offering you the chance to actively help in shaping the change! We support you in your work with:

    - International, interdisciplinary working environment on an attractive campus (FAU Südgelände) including many opportunities for cooperation with partners from the Friedrich-Alexander-University Erlangen-Nuremberg, the Forschungszentrum Jülich, the Helmholtz-Zentrum Berlin and from abroad - Outstanding scientific and technical infrastructure - Opportunity to participate in (international) conferences and project meetings - Continuous scientific mentoring by your scientific advisor - 30 days of annual leave - A structured doctoral degree programme for you and your supervisors with a comprehensive further training and networking package on our doctoral researchers platform JuDocs

    The position is initially for a fixed term of three years. Pay will be in line with 75% of pay group 13 of the Collective Agreement for the Public Service (TVöD-Bund) and additionally 60% of a monthly salary as special payment (“Christmas bonus”).

    Place of employment: Erlangen

    Forschungszentrum Jülich promotes equal opportunities and diversity in its employment relations. We also welcome applications from disabled persons.

    We look forward to receiving your application until 06.08.2021 via our Online Recruitment System: https: // www. fz- juelich.de/SharedDocs/Stellenangebote/common/dna/2021D-094-EN- IEK-11.html?nn=718260

    Questions about the vacancy? Get in touch with us by using our contact form: https: // www. fz- juelich.de/portal/EN/Careers/JobKontakt/node.html?cmsjobid=2021D-094

    Please note that for technical reasons we cannot accept applications via email.

    www. fz-juelich.de

    Working Language

  • English
  • German
  • Language of Dissertation

  • English
  • German
  • Required Documents

  • CV
  • Reports, certificates
  • Letter of Motivation
  • List of Publication
  • More Information https: // www. fz- juelich.de/SharedDocs/Stellenangebote/common/dna/2021D-094-EN- IEK-11.html?nn=718260

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