Daniel Walter

Dr Daniel Walter is a Senior Research Fellow in the School of Engineering at the Australian National University (ANU). His research focuses on photovoltaic physics and perovskite-based photovoltaic technologies, with a particular emphasis on enhancing the efficiency and stability of solar cells through advanced materials engineering and device design. He leads and collaborates on projects exploring perovskite-silicon tandem solar cells, interfacial passivation strategies, and ion migration effects in perovskite materials.

Walter’s work integrates theoretical modeling with experimental validation, including Bayesian optimization for material parameter extraction and photoluminescence imaging for spatial performance analysis. His contributions span over 58 peer-reviewed publications, with notable advancements in centimetre-scale perovskite solar cells achieving record fill factors and fluorinated polymer additives for stability improvements. He has secured funding through collaborative projects such as the Advanced Device Characterisation Cluster and the Perovskite Solar Cells initiative, emphasizing interdisciplinary research.

• Key Research Areas: Perovskite Solar Cells, Silicon Photovoltaics, Tandem Solar Cell Architectures
• Notable Achievements: Over 2600 citations, H-index of 26
• Collaborations: ANU-led teams and international partners in material science and device engineering

Walter’s research addresses critical challenges in renewable energy, aiming to bridge the gap between fundamental material science and scalable photovoltaic technologies. His studies on defect passivation, ion migration control, and large-area fabrication have positioned him as a leading voice in next-generation solar cell development.