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SUMMARY:IMX Seminar Series - Multiscale Materials by Design: From Additive
  Manufacturing to Self-Assembly
DTSTART:20230501T131500
DTEND:20230501T141500
DTSTAMP:20260510T235331Z
UID:abd87fb9fc2499baa17020831d7ea7366df32c0c1a8e8c660281a190
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Daryl Yee\, IEM\, EPFL\nThe ability to precisely dictate
  material structure over multiple length scales — from molecular composi
 tion to material microstructure to macroscale architecture — to obtain e
 nhanced or previously impossible material properties\, is key to the devel
 opment of new technologies that could help tackle many of the sustainabili
 ty challenges facing society today. As such\, there have been significant 
 interest in developing synthetic and manufacturing strategies\nthat enable
  the fabrication of materials with precise form and function. In this semi
 nar\, I will highlight two such strategies\, additive manufacturing (AM) a
 nd self-assembly\, and discuss how rational polymer design can enable the 
 manufacturing of advanced materials at varying length scales.\nAt the micr
 o- to centimeter length scale\, I will discuss how in-situ materials synth
 esis can be used with polymer AM to fabricate nano/micro-architected ceram
 ics and metals. Central to this strategy is the printing of polymers that 
 contain the necessary precursors for the in-situ synthesis of the desired 
 inorganic material\, i.e. printing a “chemical reactor”. To demonstrat
 e this concept\, I will\nshow how polymer gels can be designed to undergo 
 solution combustion synthesis for the manufacturing of a wide variety of c
 omplex metal oxides\, metals\, and alloys\, providing us with a versatile 
 and accessible method for ceramic and metal AM.\nTaking it a length scale 
 smaller into the nano- to micrometer regime\, I will discuss how polymer g
 rafted nanoparticles that have supramolecular recognition groups at their 
 chain ends can be used to form 3D ordered nanoparticle superlattices. I wi
 ll briefly show that these nanoparticle superlattices can be designed to u
 ndergo a phase transition and exhibit twinning\, and discuss how unlocking
  these mechanisms in nanoparticle superlattices can enable us to create co
 mplex\nhierarchical materials with augmented properties.\nTogether\, these
  demonstrations highlight how rational polymer design can be used to incre
 ase the complexity of materials made via additive manufacturing and self-a
 ssembly\, expanding our ability to design and manufacture materials with p
 recise form and function.\nBio: Daryl W. Yee is currently a tenure-track a
 ssistant professor in the Institute of Electrical and Micro Engineering at
  EPFL. He was previously a postdoctoral associate at MIT and obtained his 
 Ph.D. in Materials Science from Caltech in 2020. Daryl was also a Young Na
 tional University of Singapore Fellow\, and his work has been featured in 
 the ACS Polymer Division’s ‘Excellence in Graduate Polymer Research’
 . Prior to Caltech\, he received his B.Eng in Materials Science and Engine
 ering from Imperial College London.
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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