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SUMMARY:Complex architecures of conjugated polymers via Suzuki and Kumada 
 chain-growth polycondensations - Dr Anton Kiriy (Leibniz-Institut für Pol
 ymerforschung Dresden e.V.)
DTSTART:20100311T160000Z
DTEND:20100311T170000Z
UID:TALK23037@talks.cam.ac.uk
CONTACT:Catherine Jordan
DESCRIPTION:Unlike the situation with nonconductive polymers where variety
  of polymer architectures (block copolymers\, polymer brushes\, start\, et
 c.) are readily available\, a synthetic toolbox is much less developed in 
 the case of conjugated (conductive) polymers. Recently\, we developed\nsur
 face/site-initiated Ni- and Pd-mediated catalyst transfer chain-growth pol
 ycondensations. To date\, methods to grow conductive polymer brushes\, hai
 ry particles and stars of regioregular poly(3-alkylthiophenes)\, polyfluor
 enes and other conjugated polymers were developed. In this talk I would li
 ke to review our recent results in this field\, including application of t
 he obtained structures in photovoltaics and discuss an intriguing ring-wal
 king polycondensation\nmechanism\, responsible for the selective formation
  of such structures.
LOCATION:Wolfson Lecture Theatre\,  Department of Chemistry
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