Perovskite Semiconductors for Photovoltaic Application
Perovskite semiconductors have emerged as highly promising candidates for photovoltaic applications due to their tunable optical bandgap and compatibility with silicon or other low-bandgap light absorbers for tandem architectures. However, achieving high-efficiency and stable perovskite solar cells remains a significant challenge. The crystallization dynamics of perovskite films critically influence their morphology, defect density, and overall device performance. Moreover, the intrinsic and extrinsic instabilities arising from halide segregation, moisture sensitivity, and thermal stress limit long-term operational stability. Effective film passivation strategies are therefore essential to mitigate non-radiative recombination losses and enhance both efficiency and durability. This presentation will discuss recent progress in controlling perovskite crystallization, improving material stability, and implementing advanced passivation techniques to realize efficient and robust perovskite semiconductors suitable for next-generation photovoltaics.
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Dr. Mahdi Malekshahi
Perovskite Semiconductors for Photovoltaic Application
Biography:
Dr. Mahdi Malekshahi is a group leader at Institute for Photovoltaics (ipv) at Stuttgart University, with a dual appointment as a project manager at Bosch. He is an expert in semiconductors, especially wide bandgap materials for photovoltaic and sensor applications. Previously, he worked on solution-based and solid stats perovskite solar cells at Karlsruhe Institute of Technology (KIT, Germany), Pohang University of Science and Technology (POSTECH, South Korea) and Stuttgart University (Germany).
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