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DTSTART:20210314T100000
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DTSTART;TZID=America/Los_Angeles:20210520T120000
DTEND;TZID=America/Los_Angeles:20210520T120000
DTSTAMP:20260618T073005
CREATED:20210331T173201Z
LAST-MODIFIED:20210331T173201Z
UID:13484-1621512000-1621512000@www.chemistry.ucla.edu
SUMMARY:Chem 218 Student Exit Seminar: Andrew Dawson
DESCRIPTION:Enabling High Capacity Anodes and Cathodes for Li-Ion Batteries
URL:https://www.chemistry.ucla.edu/seminars/chem-218-student-exit-seminar-andrew-dawson/
CATEGORIES:Other,Seminars
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DTSTART;TZID=America/Los_Angeles:20210520T120000
DTEND;TZID=America/Los_Angeles:20210520T120000
DTSTAMP:20260618T073005
CREATED:20210513T152611Z
LAST-MODIFIED:20210513T152611Z
UID:13496-1621512000-1621512000@www.chemistry.ucla.edu
SUMMARY:Mechanism-guided discovery of photocontrolled materials and reactions
DESCRIPTION:Abstract: The 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 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 in adaptable 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.
URL:https://www.chemistry.ucla.edu/seminars/mechanism-guided-discovery-photocontrolled-materials-and-reactions/
CATEGORIES:Organic Colloquium,Seminars
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