Aqueous Solution-Vapor Interfaces Investigated with Ambient Pressure X-ray Photoelectron Spectroscopy
| Dates: | 28 April 2021 |
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| Times: | 13:00 - 14:00 |
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| What is it: | Seminar |
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| Organiser: | Photon Science Institute |
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| How much: | Free |
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| Who is it for: | University staff, Current University students |
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| Speaker: | Prof. Hendrik Bluhm |
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Join us for this PSI seminar with guest speaker Prof. Hendrik Bluhm.
Aqueous solution-vapor interfaces govern important phenomena in the environment and atmosphere, including the uptake and release of trace gases by aerosols and CO2 sequestration by the oceans. A detailed understanding of these processes requires the investigation of liquid-vapor interfaces with chemical sensitivity and interface specificity under ambient conditions, i.e., temperatures above 270 K and water vapour pressures in the millibar to tens of millibar pressure range. This talk will discuss opportunities and challenges for investigations of liquid-vapor interfaces using X-ray photoelectron spectroscopy and describe some recent experiments that have focused on the propensity of certain ions and the role of surfactants at the liquid/vapor interface.
Speaker
Prof. Hendrik Bluhm
Organisation: Fritz Haber Institute of the Max Planck Society
Biography: Hendrik Bluhm is a group leader in the Department of Inorganic Chemistry at the Fritz Haber Insti-tute of the Max Planck Society. Until Fall 2018 he was a Senior Scientist in the Chemical Sciences Division and the Advanced Light Source at Lawrence Berkeley National Laboratory. He obtained his M.Sc. in Crystallography from the University of Leipzig (Germany) and his Ph.D. in Physics from the University of Hamburg (Germany). His research focuses on the interfacial chemistry of surfaces (e.g., metal oxides, ice, and aqueous solutions) under relevant environmental conditions, as well as the development of new experimental methods for the investigation of interfaces under operating conditions.
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