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Organic Seminar – Prof. Julia Kalow, Northwestern

September 28 @ 3:30 pm - 4:30 pm

MECHANISM-GUIDED DISCOVERY OF PHOTOCONTROLLED MATERIALS AND REACTIONS

Woman in blue jacket posing in front of an archThe Kalow lab interrogates and exploits the relationship between molecular reactivity and macroscopic properties to discover polymeric materials relevant to human health and sustainability. We approach “reactivity-property” relationships bidirectionally: in reactivity-directed materials discovery, we use synthesis and physical organic chemistry to tune reactions
reactions occurring within polymer networks. In polymer networks composed of reversible covalent bonds, we translate changes in reactivity into macroscopic responses, ranging from repair in self-healing elastomers to photocontrolled stiffness inadaptable hydrogels. In properties-directed reaction discovery, we design photochemical reaction mechanisms that target desirable photophysical properties. Based on this principle, we have discovered a catalyst-free photopolymerization to produce n-type π-conjugated polymers, and a selective photoinduced cross-coupling of polyhalogenated dyes. Across these projects, light provides precise, tunable, and noninvasive spatiotemporal control over molecular reactivity.

Poster_Seminar_Kalow,Julia

Details

Date:
September 28
Time:
3:30 pm - 4:30 pm
Event Category:

Venue

Virtual in Zoom
53706 United States

Organizer

Prof. AJ Boydston

Other

Meeting Type
Hybrid