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Electrochemical actuation of free‑standing PEDOT: PSS/SU8 bilayer microactuators
Center For MicroBioRobotics IIT@SSSA, Istituto Italiano Di Tecnologia, Pontedera, Italy;.
Center For MicroBioRobotics IIT@SSSA, Istituto Italiano Di Tecnologia, Pontedera, Italy;.
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-2071-7768
Center For MicroBioRobotics IIT@SSSA, Istituto Italiano Di Tecnologia, Pontedera, Italy;.
2012 (English)In: EuroEAP 2012 online proceedings, 2012Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

Conjugated polymers are of great interest for micro‑actuators because, compared to large‑scale actuators, miniaturization improves their electrochemical properties by increasing speed, stress output etc. Recently, a novel fabrication process for obtaining robust large area free‑standing ultra-thin films made of the conjugated polymer poly (3, 4-ethylenedioxythiophene) doped with the polyanion poly(styrenesulfonate) (PEDOT:PSS) has been demonstrated. These nanofilms show a thickness ranging between few tenths to several hundredths of nm. This opens up the possibility of using such free‑standing PEDOT:PSS nanofilms to realize new all polymer electrochemical micro‑actuators using facile microfabrication methods. . Here, we report the processing methods and a validation of the micro-actuators’ working principle. Free standing PEDOT:PSS/SU8 bilayer micro‑actuators in the form of micro-fingers have been fabricated and patterned using a combination of standard microfabrication procedures. Reversible actuation of the PEDOT:PSS microactuators caused by electrochemical oxidation/reduction cycles was demonstrated and resulted in bending of the micro-fingers. Small, soft actuators may be useful for a number of applications, including microrobotics, microsurgery, and cell handling

Place, publisher, year, edition, pages
2012.
Keyword [en]
PEDOT, microactuator, microrobotics
National Category
Robotics
Identifiers
URN: urn:nbn:se:liu:diva-78452OAI: oai:DiVA.org:liu-78452DiVA: diva2:532758
Conference
EuroEAP 2012, 29-30 May, Potsdam, Germany
Available from: 2012-06-12 Created: 2012-06-12 Last updated: 2013-10-07

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Jager, Edwin

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