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Forschungszentrum Jülich

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PhD Position in Data-Driven Development of Stable Wide-Bandgap Perovskite Subcells for Tandem Photovoltaics Forschungszentrum Jülich in Germany

Degree Level

PhD

Field of study

Computer Science

Funding

Full funding available
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Country

Germany

University

Forschungszentrum Jülich

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Keywords

Computer Science
Machine Learning
Chemistry
Electrical Engineering
Materials Science
Aging
Solar Cell
Physics

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About this position

PhD Position at Forschungszentrum Jülich, Germany

This PhD project focuses on the data-driven development of stable wide-bandgap perovskite subcells for tandem photovoltaics. The work addresses key challenges in metal-halide perovskites, including compositional instability, phase segregation, interface-related energy losses, and reproducibility.

The position is part of a twin-PhD collaboration between Forschungszentrum Jülich (FZJ) and the French Alternative Energies and Atomic Energy Commission (CEA). At FZJ, the emphasis is on automated and data-driven discovery of reproducible wide-bandgap perovskite absorbers and complete subcells, including intrinsic stability, phase behavior, interfaces, and accelerated ageing. At CEA, selected candidates are integrated into perovskite/silicon tandem cells for device and module fabrication, lifetime testing, and degradation analysis.

Research topics include wide-bandgap perovskites, tandem photovoltaics, machine learning, high-throughput experimentation, interface engineering, device stability, and accelerated ageing. The project aims to establish a closed-loop workflow from material and process discovery to subcell validation and transfer to tandem devices.

Main tasks include establishing a stable p–i–n wide-bandgap perovskite baseline in the 1.65–1.70 eV range, screening compositions/additives/interfaces/passivation strategies, applying data-driven optimization, studying light-induced phase segregation and ion migration, fabricating and evaluating single-junction and semi-transparent subcells, and transferring promising candidates to CEA for tandem integration.

This is a PhD opening in Germany. The post is especially relevant for candidates with interests in photovoltaic materials, perovskite device physics, materials characterization, and computational or machine-learning-assisted experimentation.

Apply via the official recruiting portal linked in the post.

Funding details

Full funding including tuition fees and living expenses is available for this position. The scholarship covers all educational costs and provides a monthly stipend.

How to apply

Please submit your application including a cover letter, CV, academic transcripts, and contact information for two references. Applications should be sent via the online portal before the deadline.

More information can be found here

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