Prof. Mohammad K. Nazeeruddin current research at EPFL focuses on Perovskite and Dye Sensitized Solar Cells, CO2 reduction, Hydrogen production, and Light-emitting diodes. He has published more than 560 peer-reviewed papers, ten book chapters, and inventor/co-inventor of over 75 patents. The high impact of his work has been recognized by invitations to speak at several international conferences. Nazeeruddin has been named Thomson Reuters “Highly Cited Researcher” and one of the 19 scientists identified by Thomson Reuters as The World’s Most Influential Scientific Minds 2016 and 2017 from all scientific domains. He has appeared in the ISI listing of most cited chemists and has more than 71’000 citations with an h-index of 125. He is teaching “Functional Materials” course at EPFL, and Korea University. He was appointed as World Class University (WCU) professor and Adjunct Professor at the King Abdulaziz University, Jeddah.
Title and Abstract of the Speech:
Stable Perovskite Solar Cells by Compositional and Interface Engineering
M. K. Nazeeruddin
Group for Molecular Engineering of Functional Materials, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, CH-1951 Sion, Switzerland
Despite the impressive photovoltaic performances with power conversion efficiency beyond 22%, perovskite solar cells are poorly stable under operation, failing by far the market requirements.1 Various technological approaches have been proposed to overcome the instability problem, which, while delivering appreciable incremental improvements, are still far from a market-proof solution. In this talk we show one-year stable perovskite devices by engineering an ultra-stable 2D/3D (HOOC(CH2)4NH3)2PbI4 /CH3NH3PbI3 perovskite junction. The 2D/3D forms an exceptional gradually-organized multidimensional interface that yields over 15% efficiency in standard mesoporous solar cells. To demonstrate the up-scale potential of our technology, we fabricate 10×10 cm2 solar modules by a fully printable industrial-scale process, delivering 11% efficiency stable for more than 10,000 hours with zero loss in performances measured under controlled standard conditions.
(1). Large guanidinium cation mixed with methylammonium in lead iodide perovskites for 19% efficient solar cells, Jodlowski, Alexander D.; Roldan-Carmona, Cristina; Grancini, Giulia; et al. NATURE ENERGY Volume: 2 Issue: 12 Pages: 972-979