【Cancelled】KGRI Lecture Series: (April 2, 2020)"Watching paint dry"2020.04.02
Due to the current spread of infections by Covid-19 (coronavirus disease), we have cancelled the event. We deeply apologize to everyone who intended to participate.
Keio University Global Research Institute (KGRI) aims to promote international research and educational exchange and invites those working in the forefront of research and education in Japan and overseas to give lectures.
On this occasion, Dr. Arash Nikoubashman from Johannes Gutenberg University Mainz in Germany will give a lecture titled "Watching paint dry".
Date & time: Thursday, April 2, 16:00-17:00 (Open 15:30)
Venue: 14th Building 2F Seminar Room 202, Yagami Campus, Keio University
Host: Keio University Global Research Institute's Creativity Initiative
Co-host: Department of Mechanical Engineering, Faculty of Science and Technology, Keio University
Language: English (No simultaneous interpretation provided)
Other: Open to anyone. No admission fee, Pre-registration not required.
Summary of Lecture:
Drying colloidal dispersions are encountered in many technological processes, including painting, inkjet printing, manufacturing polymer LED displays, and spraying pesticides. In these technologies, colloidal particles are typically initially dispersed in a liquid solvent such as water, which then evaporates, leaving behind a dried residue of colloidal particles. Previous experiments and simulations of drying films and droplets of bidisperse colloidal suspensions revealed, that sufficiently fast evaporation can lead to segregated structures, in which the smaller species accumulate at the liquid-air interface, followed by a homogeneously mixed region of small and big colloids. The ability to fabricate structures with such (multi-)layered morphologies in a single processing step is highly promising for applications in coating, catalysis, and chromatography. To understand this counterintuitive behavior, we conducted a range of particle-based simulations and dynamic density functional theory calculations.
Dr. Arash Nikoubashman is an independent Emmy Noether-research group leader at the Johannes Gutenberg University Mainz in Germany since 2015. His research focus lies on studying the non-equilibrium and self-assembly behavior of soft matter using computer simulations. In 2012, he received his PhD in Physics with distinction from the Vienna University of Technology, and was then awarded a postdoctoral fellowship by the Princeton Center for Complex Materials of Princeton University. In 2015, his simulation work was recognized by the prestigious Blavatnik Award for Young Scientists (Winner in Chemistry).
Faculty of Science and Technology
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