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SUMMARY:Metallized Microcellular Elastomeric Foams for Stretchable Electro
 nics Applications
DTSTART:20131028T131500
DTSTAMP:20260407T112401Z
UID:8be08fd4326cb12da4d1ccdd13919fe6624f67cd59523f170f28e434
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Stephanie Lacour\, EPFL\nPolymer science focuses more th
 an ever on mastering increasingly complex molecular structures and supramo
 lecular assemblies for advan-ced functionalities such as nanoprogrammed st
 ructure formation\, mole-cular recognition\, meta- and multistability\, ad
 aptive structures\, shape memory properties\, self-healing properties\, mo
 lecular motility\, molecular energy conversion systems and replication.\nT
 he work presented here focuses on the spontaneous formation of functional 
 monolayers with a high charge carrier mobility and a high tolerance on the
  substrate structure. These polymers can also form single and multilayer v
 esicles and hierarchically ordered ultrathin films with well defined later
 al nanopattern and a thickness corresponding to that of lipids. With a foc
 us on switchability\, we will present examples on switchable adhesion prop
 erties\, switchable stabilisation of emulsions based on the variation of p
 H\, temperature and solvents. Moreover we will present examples where smal
 l objects can be switched between different states by NIR-light. This way 
 it has been possible to design a light driven microfluidic pump. For this 
 purposes we take advantage of the fact that hydrogels and microgels respon
 d critically to the change of pH\, temperature and solvent\, but also that
  the state of ordering of liquid crystal can be switched and used to achie
 ve actuation. A key aspect of the light-driven molecular devices is that b
 eyond photoisomerisation\, it has been possible to effect fast and highly 
 localized temperature jumps in a material by incorporation of suitable nan
 oscopic IR-antennae.
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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