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SUMMARY:Department of Materials Science & Metallurgy Seminar Series: Self-
 Aligned\, Roll-to-Roll Compatible Manufacturing of Printed Conductors and 
 Devices - Prof. C. Daniel Frisbie\, Department of Chemical Engineering & M
 aterials Science\, University of Minnesota\, USA 
DTSTART:20241017T143000Z
DTEND:20241017T160000Z
UID:TALK223177@talks.cam.ac.uk
CONTACT:Caroline Teagle
DESCRIPTION:Refreshments and cakes will be available!\n\nC. Daniel Frisbie
  is Distinguished McKnight University Professor of Chemical Engineering & 
 Materials Science at the University of \nMinnesota. He was Head of CEMS fr
 om 2014-2024. He obtained a \nPhD from MIT in 1993 and was an NSF Postdoct
 oral Fellow at \nHarvard. His research focuses on materials for printed el
 ectronics\, including organic semiconductors and their applications in tra
 nsistors.\nResearch topics include thin film semiconductor devices\, struc
 ture-property relationships\, electrolyte-gating\, molecular electronics\,
  and scanning probe microscopy.\n\nPrinted electronics has significant cha
 llenges\, including spatial resolution\, pattern registration\, and printe
 d circuit performance. This talk will describe a patented liquid-based fab
 rication approach developed at Minnesota (with colleague Lorraine Francis)
  that we term SCALE\, or Self-Aligned Capillarity-Assisted Lithography for
  Electronics. The SCALE process combines imprint lithography with inkjet p
 rinting and plating processes to produce self-aligned devices with feature
  sizes that are currently as small as 2 µm. SCALE offers a number of adva
 ntages for printed electronics manufacture including compatibility with ro
 ll-to-roll (R2R) manufacturing\, excellent spatial resolution\, convention
 al height-to-width aspect ratios for conductor lines\, and sharp\, well-de
 fined line edges of all printed features. This talk will provide an update
  on the use of R2R SCALE to build arrays of discrete devices including res
 istors\, capacitors\, diodes\, interconnects\, and transistors. As SCALE r
 elies on capillary flow of electronic inks in imprinted features\, some im
 portant fundamentals of capillary flow\, and practical innovations for con
 trolling flow\, will also be covered.\n
LOCATION:Goldsmiths' 2 & https://zoom.us/j/96836714124
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