Please join the Department of Chemical Engineering for a Distinguished Speaker Seminar on March 29th from 11:45 am - 12: 45 pm in Richards Hall Room 236. Professor Joseph S. Francisco will be presenting on "From Atmospheric Complexes to Aerosols: New Insights into Atmospheric Chemistry".
Abstract: The chemistry in our atmosphere governs phenomena such as ozone depletion, acid rain, and climate change. Having a firm understanding of all chemical processes at the molecular level in the atmosphere will allow for the development of accurate global climate models. This talk will discuss some of the more traditional chemical reactions that occur in the atmosphere, and how water influences both the mechanism and kinetic of atmospheric reactions. How gas-phase materials become incorporated with cloud droplets has been an intriguing subject for decades, and considerable work has been done to understand the interactions between closedshell molecules and liquid water. The interactions between radical species and the air/water interface of cloud droplets, however, are not well understood. Fundamental structure and interactions of radical-molecules are critical to understanding binding, the configuration, and orientation of radicals the interface. This has important ramifications for our understanding of radical chemistry and lends new insight into the role that clouds and aerosols play in processing chemistry in the atmosphere.
Biography: Dr. Joseph S. Francisco completed his undergraduate degree in chemistry at UT Austin and his Ph.D. in Chemical Physics at MIT. After a fellowship at the University of Cambridge (UK), he returned to MIT as a Provost Postdoctoral Fellow. Dr. Francisco is currently the President's Distinguished Professor of Earth & Environmental Sciences and professor of Chemistry at the University of Pennsylvania. His work appeared in over 600 peer-reviewed publications. Dr. Francisco received numerous awards, fellowships and recognitions throughout his career, including NSF’s Presidential Young Investigator Award, the Sloan Fellowship, the Dreyfus Teacher-Scholar Award, the Guggenheim Fellowship, the Percy L. Julian Award for Pure and Applied Research, the ACS Morley Medal (Cleveland section), and the Alexander von Humboldt Award for U.S. Senior Scientists. Dr. Francisco is an ACS, APS, and AAAS Fellow. He is also a Fellow of the American Academy of Arts and Sciences and a member of the National Academy of Sciences. Dr. Francisco was honored on the floor of the 113th U.S. House of Representatives and received honorary degrees (Honoris Causa) from several universities. Dr. Francisco served as President of the National Organization for the Professional Advancement of Black Chemists and Chemical Engineers (2005-2007). He also served as President of the American Chemical Society (2010) and as a member of its Board of Directors (2009-2011). President Barack Obama appointed Dr. Francisco as a member of the President’s Committee on the National Medal of Science (2010-2015).