Aleksandra Vojvodic

Chemical and Biomolecular Engineering
University of Pennsylvania
Tuesday, Feb. 23, 2021
4:00pm
Zoom Seminar
Host
Annabella Selloni
Add to Calendar2021-02-23 16:00:002021-02-23 16:00:00Annabella SelloniZoom Seminar15YYYY-MM-DD

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C4E – Computational Chemistry of Compounds for Catalysis and Energy

The race to solve the sustainable energy puzzle is on. First-principles based computational methods, which balance accuracy and computational cost, are at the forefront for solving this puzzle. These computational approaches allow one to describe and understand chemistries of already known materials, and, importantly, they can be used to predict new materials through a careful analysis of the surface chemistry and electronic structure at the atomic level. In this talk, I will first demonstrate how we have been able to computationally predict several new catalyst materials including metal oxides, carbides and nitrides which have been experimentally synthesized, characterized and tested. I then share recent insights on the stability and activity of computationally predicted nanostructured catalyst-systems that exhibit a new surface activation phenomenon. I conclude with new efforts to understand the dynamic behavior of these complex compound materials under operating conditions. Together, this research agenda aims to replace trial-and-error, time-consuming approaches as the main source of development for new materials and chemical routes with a systematic computational materials modeling strategy.

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