Dr. Tran-Minh Giao Nguyen Profile

Dr. Tran-Minh Giao Nguyen

Assistant Professor at Univ de Cergy-Pontoise

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Publications (5)

Proceedings Article | 29 April 2020 Presentation

Soft microelectromechanical systems and artificial muscles based on electronically conducting polymers (Conference Presentation)

Tran-Minh Giao Nguyen

Proceedings Volume 11375, 1137512 (2020) https://doi.org/10.1117/12.2558560

KEYWORDS: Microelectromechanical systems, Artificial muscles, Polymers, Microactuators, Microsystems, Electrodes, Electroactive polymers, Microsensors, Additive manufacturing, Smart materials

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Electroactive polymers (EAPs) are smart materials capable not only to change their shape and/or size in response to electrical stimulation, but also to generate electrical signal in response to mechanical stimulation. Flexible and lightweight, these materials are considered as promising candidates for the development of soft artificial muscles and soft Micro-Electro-Mechanical Systems (MEMS) to move towards soft electronics. This talk aims first at presenting the fabrication, integration and characterization of air-operating soft microactuators and microsensors based on electronically conductive polymers (ECPs) to obtain efficient devices for further integration into microsystems. Layer stacking method has been reported as efficient process for fabricating ECP based microactuators. In this work, electrodes based on poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) have been employed. By using polar reactive additive based on poly(ethylene oxide) (PEO), electrodes with improved electrical, mechanical and electrochemical properties have been obtained and used to fabricate efficient trilayer microactuators according to a simple and reproducible process. In addition, a process fully compatible with microsystems has been developped. The complete elaboration of the trilayer microdevices will be described including their full integration with electrical connections and subsequent operation on a flexible substrate without any manual handling, allowing the design of microsystems with complex configurations. The resulting microsystems were successfully characterized as microactuators and for the first time as mechanical strain microsensors. Finally, by combining PEDOT:PSS based electrodes with different electrochemical or mechanical properties, we demonstrate that it is possible to develop air-operating linear actuators in a rational approach according to a theoretical model. Best combination of electrodes was used to develop asymmetrical trilayer devices with simple layer stacking process. The resulting devices presented linear actuation with performances in the range of predicted values. Linear strain sensing ability of these devices was also demonstrated.

Proceedings Article | 27 March 2018 Paper

All-solid state ionic actuators based on polymeric ionic liquids and electronic conducting polymers

Cedric Plesse, Giao T. Nguyen, Frederic Ribeiro, Sofia Morozova, Eric Drockenmuller, Alexander Shaplov, Frederic Vidal

Proceedings Volume 10594, 105941H (2018) https://doi.org/10.1117/12.2300774

KEYWORDS: Electrodes, Polymers, Actuators, Polymerization, Solid state electronics, Polymeric actuators, Electroactive polymers

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Proceedings Article | 27 March 2018 Presentation + Paper

Toward electroactive catheter design using conducting interpenetrating polymer networks actuators

Giao T. Nguyen, Vincent Woehling, Cédric Plesse, Frédéric Vidal, John D. Madden, Meisam Farajollahi

Proceedings Volume 10594, 1059415 (2018) https://doi.org/10.1117/12.2300764

KEYWORDS: Actuators, Polymers, Polymeric actuators

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Proceedings Article | 10 May 2017 Presentation

Proximity and touch sensing using deformable ionic conductors (Conference Presentation)

Mirza Sarwar, Eden Preston, Justin K. Wyss, Sina Naficy, John D. Madden, Yuta Dobashi, Vincent Woehling, Tran-Minh-Giao Nguyen, Cedric Plesse, Frédéric Vidal, Geoffrey Spinks

Proceedings Volume 10163, 1016305 (2017) https://doi.org/10.1117/12.2260478

KEYWORDS: Electrodes, Sensors, Ions, Electroactive polymers, Actuators, Stretchable circuits, Interfaces, Dielectrics, Capacitance, Polymer thin films

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Proceedings Article | 15 April 2016 Paper

Behavior of ionic conducting IPN actuators in simulated space conditions

Frédéric Vidal, Cédric Plesse, Giao T. Nguyen, Adelyne Fannir, Elisabeth Laurent, Laurent Cadiergues

Proceedings Volume 9798, 979826 (2016) https://doi.org/10.1117/12.2222169

KEYWORDS: Actuators, Gamma radiation, Oxides, Liquids, Resistance, Analytical research, Artificial muscles, Robotics, Sensors, System integration, Polymers, Electroactive polymers, Electrodes, Polymeric actuators

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