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The Chair of Atomic-scale Characterisationat the Faculty of mechanical engineering is looking for a

PhD position (m,f,x) in ‘Synthesis and atomic-scale characterization of high entropy alloy nanoparticles for electrocatalysis, for 3 years, 39,83 hours per week, TVL E13

The chair of "Atomic-scale Characterisation" i s studying materials at the atomic level.

High entropy alloy (HEA) nanoparticles have attracted increasing interest in catalyzing heterogeneous solid-liquid reactions. However, the fundamental insights into the interplay of reactivity, structure and composition of HEA electrocatalyst surfaces are far less understood. In particular, it remains challenging to characterize surface compositional and structural changes on the HEA nanoparticles due to complexity induced by multiple elements. This knowledge gap prevents their application for new sustainable energy conversion and storage applications.

extent: full-time
duration: temporary
beginning: 01.10.2025
application deadline: 21.04.2025

Your tasks:

  •  In this project, the successful candidate will synthesis high entropy alloy nanoparticles for water electrocatalysis or fuel cell applications (hydrogen evolution reaction, oxygen evolution or reduction reaction). Afterward, the candidate will characterize these nanoparticles by a combination of high-end spectroscopy and microscopy techniques such as atom probe tomography, aberration-corrected transmission electron microscopy, X-ray photoemission spectroscopy etc. The three-dimensional surface and internal structure and chemistry of catalyst nanoparticles will be revealed, with single atom sensitivity, before and after service. This atomic-scale information will provide a rational guide to nano-engineering catalysts in order to develop cost-effective and high efficiency sustainable energy sources
  • The PhD candidates will work closely with other members in the Chair of Atomic-scale Characterization (Home). Additionally, the successful candidate will be working in the new research center for interface-dominated high-performance materials (ZGH) at Ruhr University Bochum, which houses a large and comprehensive suite of equipment dedicated to nanostructure analysis; the center is among the best facilities of its kind in the world. The successful candidate will have access to world-class set of laboratories (e.g. glove boxes) and more than 10 major microscopy platforms, including the state-of-the-art atom probe, aberration-corrected TEM and focused ion beam etc.

Your profile:

  • an excellent master degree in materials science, inorganic chemistry, nanoparticle synthesis, or electrochemistry
  • experience with synthesis of high entropy alloy nanoparticles via e,g, wet chemical, hydrothermal, thermal decomposition methods etc.
  • experience with hydrogen evolution reaction, oxygen reduction or evolution reactions
  • can independently conduct potentiostat measurements including cyclic voltammetry, electrochemical impedance spectroscopy, chronopotentiomery, Chronoamperometry etc
  • a high level of spoken and written English
  • self-motivated and eager to learn
  • ability to plan and organize the PhD project effectively
  • The candidate may have experiences in X-ray photoelectron spectroscopy data
  • Fluency in German (at least C1 level, in word and writing – required for an effective communication and for teaching in German) 

Our offerings:

  • Challenging and varied tasks with a high degree of personal responsibility
  • Support from and collaboration with competent colleagues
  • team-oriented collaboration in a committed, international and appreciative team
  • a friendly and cooperative environment
  • a modern, well-equipped workplace

Additional information:

At the request of the applicant (m,f,x), the staff council may be involved in selection interviews. https://www.wpr.ruhr-uni-bochum.de/

The load of teaching will be calculated according to § 3 of Lehrverpflichtungsverordnung (state of North Rhine-Westphalia).

German language courses are offered by the University Language Center (ZFA) in the field of German as a Foreign Language (DaF).
https://www.daf.ruhr-uni-bochum.de/sbgk/index.html.en

You can find information about TVL at: https://oeffentlicher-dienst.info/

The Ruhr-Universität Bochum is one of Germany’s leading research universities, addressing the whole range of academic disciplines. A highly dynamic setting enables researchers and students to work across the traditional boundaries of academic subjects and faculties. To create knowledge networks within and beyond the university is RUB’s declared aim.


The Ruhr-Universität Bochum stands for diversity and equal opportunities. For this reason, we favour a working environment composed of heterogeneous teams, and seek to promote the careers of individuals who are underrepresented in our respective professional areas. The Ruhr-Universität Bochum expressly requests job applications from women. In areas in which they are underrepresented they will be given preference in the case of equivalent qualifications with male candidates. Applications from individuals with disabilities are most welcome.

Contact details for your application:

Prof. Dr. Tong Li, Phone: +49234 32 26099

Travel expenses for interviews cannot be refunded.

For information on the collection of personal data in the application process see: https://www.ruhr-uni-bochum.de/en/information-collection-personal-data-application-process.

We are looking forward to receiving your complete and informative application documents (informative cover letter, CV with certificates) as one pdf document with the specification ANR: 4411 until 21.04.2025, send by e-mail to the following address: atomicjobs-mb@ruhr-uni-bochum.de

Please get in touch with the contact person named above if you would like to use an alternative application channel.

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