Physics Room 120, Lecture Hall
The MU Physics & Astronomy Department's O. M. Stewart Colloquium Series presents, "Noncovalent Interactions in the Design of Organic Semiconducting Materials - A Theoretical Chemistry Perspective," Prof. Chad Risko, University of Kentucky, Monday, March 12, 4:00 p.m.
Prof. Risko writes, "Organic semiconductors (OSC), derived from π-conjugated molecules or polymers, are leading an evolution of the electronics industry towards ultra-flexible and low-power (opto)electronics. Though they have drawn the attention of materials scientists for a few decades, due to the potential to modulate material (opto)electronic properties through well-established synthetic chemistry methods, OSC design remains highly Edisonian as there is limited knowledge of the intimate relationships that connect chemical composition and molecular architecture, materials processing, and the solid-state packing arrangements that determine OSC performance. We seek to address these connections through the development and application of multiscale, theoretical materials chemistry approaches that build upon principles from organic and physical chemistry, condensed matter physics, and materials science. In this presentation, we will focus on how these models can reveal the striking influence of seemingly modest changes in chemical structure on the solid-state packing of OSC active layers and resulting characteristics of importance to charge-carrier transport. The physicochemical insight developed through these investigations is beginning to refine and offer novel design paradigms essential to the development of next generation organic semiconducting active layers and is opening new pathways for in silico materials development."
Refreshments will be served beginning at 3:30 p.m. in Room 223A Library.