Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session R64: Optics and Photonics in Polymers and Soft Matter I: Imaging, Characterization and Patterning
8:00 AM–10:48 AM,
Thursday, March 18, 2021
Sponsoring
Units:
DPOLY DSOFT DBIO DAMOP
Chair: Chaitanya Ullal, Renesselaer Polytechnic Inst.; Danielle Mai, Stanford Univ
Abstract: R64.00010 : Visualizing and controlling polymer nanostructures through in situ optical imaging and synthesis
9:48 AM–10:24 AM
Live
Presenter:
Muzhou Wang
(Northwestern University)
Author:
Muzhou Wang
(Northwestern University)
In addition to characterization, it is important to control polymer nanostructures, which are often governed by the underlying polymer chemistry particularly in self-assembly approaches. Polymer chemistry and physics are often treated separately, where polymers are first synthesized and then self-assembled into their desired morphologies in a second step. Here, we demonstrate a process for photopolymerization within a self-assembled block copolymer film. This process enables real-time control over both domain spacing and morphology on demand. The regions of photopolymerization can be modulated by photomasks for obtaining distinct structures on a single substrate. We use this process in the application of patterned photonic crystals.
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