PhD Student (f/m/d) Development of All-Perovskite Flexible Triple-Junction Solar Cells

Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB); Berlin; Hybrid; EUR 45.000 - 60.000; Vollzeit

Zusammenfassung

An international research institute in Berlin seeks a PhD student to develop all-perovskite flexible triple-junction solar cells. Responsibilities include manufacturing solar cells, conducting experiments, and publishing results. Ideal candidates will have a master's degree and experience in semiconductor technology, along with strong analytical and communication skills. The position offers attractive benefits, including flexible working hours and relocation support for candidates from non-EU countries.

Leistungen

30 days of vacation per year

Public transport subsidy (Deutschlandticket Job)

Career networking opportunities

Flexible working hours

Qualifikationen

• In-depth knowledge of solar cell physics required.
• Hands-on experience in perovskite technology is a plus.
• Drive for efficiency and teamwork needed.

Aufgaben

• Manufacture high-efficiency solar cells.
• Develop triple-junction solar cells.
• Coordinate experiments with other institutes.
• Publish results in journals and conferences.
• Manage new project proposals.

Kenntnisse

Semiconductor technology

Analytical skills

Communication skills

Team spirit

Ausbildung

Master's degree in materials science, chemistry, physics, engineering or a related field

Tools

Solar cell processing equipment

Simulation software

Jobbeschreibung

PhD Student (f/m/d) Development of All-Perovskite Flexible Triple-Junction Solar Cells

Reference No.: SE 2026/1

The Helmholtz-Zentrum Berlin (HZB) conducts fundamental and applied research in the field of energy materials. In photovoltaics, HZB develops materials and devices up to industrially relevant solar cells. The Perovskite Tandem Solar Cells Department has achieved internationally leading results, including world records for perovskite/silicon (32.5%) and perovskite/CIGS tandem solar cells (24.2%). One research focus within the department is the development of perovskite-based triple-junction solar cells as a promising thin-film technology. Within the framework of a comprehensive PhD project, you will research and develop perovskite-based triple-junction solar cells. Key topics include fundamental material properties, charge-carrier dynamics, and novel device concepts aimed at improving efficiency and stability. If you are a highly motivated scientist with experience in perovskite solar cells, we encourage you to apply and become part of our international and multidisciplinary team of around 25 researchers.

Your Tasks

• Manufacturing and hands‑on processing of high‑efficiency perovskite solar cells and layer stacks on flexible substrates
• Development of highly stable and highly efficient triple‑junction solar cells
• Specific device characterization, experimental loss analysis, and simulation of single films and complete solar cells
• Coordinating development work and experiments within HZB and in cooperation with other institutes
• Publication of the scientific results at international conferences and peer‑reviewed journals
• Preparation of project proposals as well as acquisition and management of new third‑party funded projects

Your Profile

• Completed master's degree in materials science, chemistry, physics, engineering or a related field
• In‑depth knowledge of semiconductor technology and the physics of solar cells
• Hands‑on experience in processing thin films and solar cells in the topic of perovskite technology and/or on development of flexible substrates and their stress management
• Excellent analytical skills
• Excellent communication and organizational skills
• Drive for efficiency and team spirit

Your Benefits

• The opportunity to contribute to the development of innovative materials and technological solutions for a climate‑neutral future in cooperation with leading international researchers
• Flexible working hours and the possibility to work remotely
• Career‑enhancing networking opportunities, individual guidance, and support through our Graduate Centre and Postdoc Office
• 30 days of vacation per year and attractive remuneration according to the collective agreement for the public sector (TVöD Bund), plus company pension plan and capital forming benefits
• Advisory services on family and career matters through our Office for Work & Life
• Subsidy for public transport (Deutschlandticket Job) and exclusive employee discounts
• Relocation support from non‑EU countries
• German courses for all proficiency levels

Fixed term contract for 48 months. The salary is based on the Collective Agreement for the German Public Service (TVöD‑Bund).

How to apply

We look forward to receiving your application via our application management system by 03.02.2026. For reasons of data protection regulations, we are unfortunately unable to consider applications that reach us by any other means (such as email or mail) in the application process.

We very much want our workplace to be diverse, and welcome applications from people with different backgrounds. It is our mission to promote equal opportunities and to improve women’s representation in the workforce. We are therefore very interested in receiving applications from women. Where the qualifications are met, we will give preference to people with disabilities.

CONTACT

Silvia Mariotti