Journal
CHEMPHYSCHEM
Volume 20, Issue 7, Pages 941-945Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.201900116
Keywords
bipolar electrochemistry; conducting polymers; smart materials; wireless actuation; wireless light emission
Funding
- French State [ANR-10-IDEX-03-02]
- CAPES (Brazil)
- CNPq (Brazil)
- Institut Universitaire de France
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program [741251]
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Combining the actuation of conducting polymers with additional functionalities is an interesting fundamental scientific challenge and increases their application potential. Herein we demonstrate the possibility of direct integration of a miniaturized light emitting diode (LED) in a polypyrrole (PPy) matrix in order to achieve simultaneous wireless actuation and light emission. A light emitting diode is used as a part of an electroactive surface on which electrochemical polymerization allows direct incorporation of the electronic device into the polymer. The resulting free-standing polymer/LED hybrid can be addressed by bipolar electrochemistry to trigger simultaneously oxidation and reduction reactions at its opposite extremities, leading to a controlled deformation and an electron flow through the integrated LED. Such a dual response in the form of actuation and light emission opens up interesting perspectives in the field of microrobotics.
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