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SUMMARY:Imperceptible electronics
DTSTART:20150617T100000
DTEND:20150617T110000
DTSTAMP:20260407T003915Z
UID:4ec733ce96c31e4095d0754359b689b53b331c316475eb034a607f7d
CATEGORIES:Conferences - Seminars
DESCRIPTION:Martin Kaltenbrunner\nDept. of Soft Matter Physics\, Johannes 
 Kepler University\, Linz\, Austria\nThe electronics of tomorrow will be im
 perceptible and will form a seamless link between soft\, living beings and
  the digital world. This new form of ultra-conformable electronics places 
 severe physical requirements on the active components that constitute mode
 rn foil-like electronic systems. Weight and flexibility become key figures
  of merit for large area electronics such as robotic skin\, as they critic
 ally influence the mechanical response and perception of the artificial se
 nsory system. With less than 2 μm total thickness\, imperceptible electro
 nic foils are light (≈3-4 g m- 2) and unmatched in flexibility\, they ar
 e operable with radii of curvature below 5 μm\, yet highly durable and wi
 thstand severe crumpling without any performance degradation. These are pr
 erequisites for intimate contact with soft\, biological tissue or organs a
 nd complex\, arbitrarily shaped 3D free forms that enable applications spa
 nning medical\, safety\, security\, infrastructure\, and communication ind
 ustries.\n
This talk introduces a technology platform for the developmen
 t of large-area\, ultrathin and lightweight electronic and photonic device
 s\, including organic solar cells[1]\, light emitting diodes[2]\, active-m
 atrix touch panels[3]\, implantable organic electronics[4]\, imperceptible
  electronic wraps[5] and “sixth-sense” magnetoception[6] in electronic
  skins. Solar cells\, less than 2 μm thick\, endure extreme mechanical de
 formation and have an unprecedented power output per weight of 10 W/g and 
 more. Highly flexible\, stretch-compatible polymer light emitting diodes f
 or display applications and ambient lightning conform to arbitrary 3D free
 -forms and provide electrical functionality in yet unexplored ways through
  simple and cost-effective fabrication. Tactile sensor arrays based on act
 ive-matrix organic thin film transistors can be operated at elevated tempe
 ratures and in aqueous environments as an imperceptible sensing system tha
 t ensures the smallest possible discomfort for patients requiring medical 
 care and monitoring. E-skins with GMR-based magnetic field sensors equip t
 he wearer with an unfamiliar sense that enables perceiving of and navigati
 ng in magnetic fields. These large area sensor networks build the framewor
 k for electronic foils and artificial sensor skins that are not only highl
 y flexible but become highly stretchable and deployable when combined with
  engineered soft substrates such as elastomers\, shape memory polymers or 
 tissue-like hydrogels.
LOCATION:DIA003 http://plan.epfl.ch/?room=DIA%20003
STATUS:CONFIRMED
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