HQP – QS 208 Photovoltaics Perovskite-Silicon Tandem Solar Cell Simulation & Modelling Expert ([...]

Stellenbeschreibung:

Powering the Future of Solar Technology with Qcells

At Qcells, we don’t just envision a greener future—we actively create it. As a global leader in photovoltaic technology and a proud member of the Hanwha Group, a FORTUNE® Global 500 enterprise, we are dedicated to shaping the next generation of solar energy. Our Center for Innovation, Technology and Quality in Thalheim (near Leipzig/Halle/Berlin) is home to over 200 experts driving advancements in solar cells and modules, “Engineered in Germany.”

Your Role: Driving Theoretical Understanding & Predictive Modelling

As a key member of our international R&D team, you will play a central role in building a deep physical understanding of perovskite‑silicon tandem solar cells and translating it into predictive simulation models that guide experimental and technological development.

Your Key Responsibilities:

Develop and apply physical models of perovskite‑silicon tandem solar cells
Perform simulations using Setfos and comparable tools
Analyse the impact of material properties, interfaces (including perovskite‑based layers), and device architectures on performance

Physics-Based Understanding

Build a deep understanding of charge transport, recombination mechanisms, and interface physics
Investigate complex phenomena such as ionic migration and electrochemical effects in perovskite materials
Translate theoretical insights into actionable guidelines for device and process optimization
Derive and refine model parameters based on experimental data
Correlate simulation results with real device performance and characterization data
Continuously improve model accuracy and predictive capability

Data-Driven & Cross-Functional Collaboration

Work closely with experimental, integration, and characterization teams
Support interpretation of measurement results through simulation
Contribute to a holistic understanding of device behaviour across all development stages

Technology Development & Innovation

Drive innovation through simulation-guided design of next-generation perovskite‑silicon tandem architectures
Identify performance limits and new concepts for efficiency and stability improvements
Contribute to technology roadmaps and long-term research strategies

Your Profile: Expertise Meets Physical Insight

We are looking for a scientifically rigorous and curious individual with a strong foundation in semiconductor physics and device modelling.

Your Qualifications:

Degree in physics, materials science, electrical engineering, or a related field (PhD preferred)
Strong background in semiconductor device physics and solar cell operation principles
Hands‑on experience with Setfos (mandatory) or similar simulation tools
Experience in numerical modelling and simulation of optoelectronic devices
Ability to link theoretical models with experimental data

Highly desirable (not mandatory):

Experience with perovskite solar cells or perovskite‑silicon tandem technologies
Understanding of ionic effects and degradation mechanisms in perovskite materials
Strong analytical and problem‑solving skills
Excellent communication skills and ability to work in interdisciplinary teams
Very good written and spoken English (German is a plus)
Willingness to collaborate in an international environment

Why Qcells?

Work on cutting‑edge perovskite‑silicon tandem solar cell technologies
Be part of a highly innovative and interdisciplinary R&D environment
Access to state‑of‑the‑art experimental and simulation infrastructure
Attractive compensation and development opportunities
Contribute to a sustainable energy future

Ready to Shape the Future of Solar Energy?

Take this opportunity to advance the theoretical understanding and performance of next-generation solar cells. If you are passionate about modelling complex physical systems and driving innovation through simulation, we want to hear from you.