Wireless Electromechanical Fluorophore Release From Soft Polymer Actuators.
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| Title: | Wireless Electromechanical Fluorophore Release From Soft Polymer Actuators. |
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| Authors: | Vinod, Anaga1 (AUTHOR), Goudeau, Bertrand1 (AUTHOR), Daniel, Jonathan1 (AUTHOR), Grazon, Chloé1 (AUTHOR), Kuhn, Alexander1 (AUTHOR) kuhn@enscbp.fr, Salinas, Gerardo1 (AUTHOR) gerardo.salinassanchez@enscbp.fr |
| Source: | Macromolecular Materials & Engineering. Mar2026, Vol. 311 Issue 3, p1-8. 8p. |
| Subjects: | Conducting polymers, Fluorescence, Luminophores |
| Abstract: | Wireless actuation of conducting polymers represents an emerging approach for developing multifunctional soft devices that couple electrical, mechanical, and optical responses. In this work, a polypyrrole‐based composite incorporating a π‐conjugated fluorophore (2',7'‐bis([2,2'‐bithiophen]‐5‐yl)fluorene) is designed to achieve simultaneous electromechanical deformation and fluorescence emission under bipolar electrochemical stimulation. The composite films are produced by electropolymerization, resulting in a homogeneous fluorophore distribution. The electromechanically driven dye release is confirmed by in situ spectroscopic measurements, which show a direct correlation between fluorescence intensity and the applied external electric field. The optical response of the device enables mapping of the electroactivity of the bipolar electrode via a dual dynamic/light‐emitting readout under the influence of alternating electric fields. This study demonstrates a straightforward strategy to achieve a double readout of physicochemical information based on actuation and light emission with soft actuators, making them useful for the design of novel, advanced multimodal sensing systems. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Wireless actuation of conducting polymers represents an emerging approach for developing multifunctional soft devices that couple electrical, mechanical, and optical responses. In this work, a polypyrrole‐based composite incorporating a π‐conjugated fluorophore (2',7'‐bis([2,2'‐bithiophen]‐5‐yl)fluorene) is designed to achieve simultaneous electromechanical deformation and fluorescence emission under bipolar electrochemical stimulation. The composite films are produced by electropolymerization, resulting in a homogeneous fluorophore distribution. The electromechanically driven dye release is confirmed by in situ spectroscopic measurements, which show a direct correlation between fluorescence intensity and the applied external electric field. The optical response of the device enables mapping of the electroactivity of the bipolar electrode via a dual dynamic/light‐emitting readout under the influence of alternating electric fields. This study demonstrates a straightforward strategy to achieve a double readout of physicochemical information based on actuation and light emission with soft actuators, making them useful for the design of novel, advanced multimodal sensing systems. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 14387492 |
| DOI: | 10.1002/mame.202500472 |
