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Forschungszentrum Jülich

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Postdoctoral Researcher in Correlative In Situ Electron Microscopy and Operando X-ray Studies of Catalyst Restructuring and Degradation in LOHC Dehydrogenation Forschungszentrum Jülich GmbH in Germany

Degree Level

Postdoc

Field of study

Chemistry

Funding

The position is paid according to pay group 13 of the TVöD-Bund collective agreement, depending on qualifications and assigned tasks. The role is initially a one-year employment at Forschungszentrum Jülich, followed by a second year at Seoul National University under a separate one-year employment. Benefits include 30 days of vacation plus additional days off, flexible working-time models, occupational health services, professional development support, a company pension scheme with employer cont

Deadline

Dec 22, 2026

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Country

Germany

University

Forschungszentrum Jülich

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Keywords

Chemistry
Chemical Engineering
Materials Science
Hydrogen Storage
Transmission Electron Microscopy
Physics

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About this position

Forschungszentrum Jülich GmbH is offering a postdoctoral research position within the international SNU/FZJ Energy Fellow Program, a collaboration between Forschungszentrum Jülich in Germany and Seoul National University in South Korea. The fellowship enables research at both institutions, with the first year based at FZJ and the second year at SNU in Seoul, or the reverse arrangement.

The project investigates how supported metal catalysts evolve at the catalyst–liquid organic hydrogen carrier (LOHC) interface under realistic reaction conditions. The research will focus on Pt-based nanoparticles and clusters involved in LOHC (de)hydrogenation, with particular attention to atomic-scale restructuring, sintering, leaching, and the mechanisms behind catalyst deactivation and carrier degradation.

The postdoctoral researcher will combine in situ gas- and liquid-phase electron microscopy, including identical-location TEM, with operando high-energy X-ray scattering and spectroscopy. By connecting local TEM observations with ensemble-averaged structural and electronic information, the project aims to establish how catalyst structure controls activity, selectivity, and long-term stability.

Another central aspect is identifying the interfacial origins of side reactions, including C–C bond cleavage and carbonaceous deposit formation. The resulting structure–degradation descriptors will support the design of durable LOHC catalysts that use lower amounts of precious metals.

The position is hosted by the Catalytic Interfaces for Chemical Hydrogen Storage division at Forschungszentrum Jülich and is linked with the research leadership of Hans-Georg Steinrück at FZJ and Jungwon Park at Seoul National University. The research environment combines advanced electron microscopy, synchrotron-relevant X-ray methods, heterogeneous catalysis, chemical hydrogen storage, and international collaboration.

The opportunity is suited to researchers with backgrounds in physics, chemistry, materials science, chemical engineering, or related energy-science disciplines.

Funding details

The position is paid according to pay group 13 of the TVöD-Bund collective agreement, depending on qualifications and assigned tasks. The role is initially a one-year employment at Forschungszentrum Jülich, followed by a second year at Seoul National University under a separate one-year employment. Benefits include 30 days of vacation plus additional days off, flexible working-time models, occupational health services, professional development support, a company pension scheme with employer cont

What's required

Applicants must hold a Master's degree and PhD in physics, chemistry, materials science, chemical engineering, or a related discipline. Experience in energy science is required. Very good written and spoken English with an extensive vocabulary is required, at least B2 level according to the CEFR. Candidates should work independently and be self-motivated while also demonstrating excellent teamwork skills, strong motivation to take responsibility and develop their own research ideas, and willingness to undertake regular business trips.

How to apply

Apply online through the Forschungszentrum Jülich career portal using the vacancy page for index number 2026T-0837. Review the application process information or contact the career team through the provided contact form for questions.

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