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McKelvey School of Engineering
Brown School
MEMS Seminar: David P. Fenning, PhD
Thursday, September 21 | 2:30 PM - 3:30 PM
Stephen F. & Camilla T. Brauer Hall, Room 012
6548 Forest Park Pkwy, St. Louis, MO 63112, USA
David P. Fenning, Associate Professor of Nano and Chemical Engineering at UC San Diego, will present “Engineering Defects and Interfaces for Renewable Energy Conversion”
Abstract: To achieve energy sustainability, fundamental advances are needed that enable photovoltaics to be paired with long-duration energy storage cost-effectively and at tremendous scale. Recently, halide perovskite semiconductors have garnered significant interest for diverse applications including high-efficiency solar cells because of their low-temperature synthesis and high optoelectronic figures of merit. The compositional and process flexibility of halide perovskites is also fundamentally attractive for discovering new materials and novel functionality. However, the same chemical flexibility also gives rise to challenges due to impurity formation during synthesis, process sensitivity, and performance degradation over time.
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- Mechanical Engineering & Materials Science
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Kyla Kordell: kkyla@wustl.edu
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David P. Fenning, PhD, is an Associate Professor of Nano and Chemical Engineering at UC San Diego. His group focuses on understanding defect reactions in the synthesis and operation of energy conversion materials and devices, often working at the frontiers of synchrotron X-ray microscopy. Currently, his research involves the study of defect reactions in silicon and perovskite photovoltaics, fundamentals of CO2 and water electrolysis, and phosphide photoelectrochemistry. After completing his PhD in silicon photovoltaics at MIT in 2013, he worked on the R&D team at PV startup 1366 Technologies Inc., followed by a Battelle postdoctoral fellowship in solar fuels at MIT. He joined the NanoEngineering department at UC San Diego in 2015. He is a recipient of the American Chemical Society’s PRF New Investigator award, an NSF CAREER award, an American Made Solar Ready! Prize, and was recognized as a Hellman Foundation Fellow.
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