Samenvatting
Wireless energy transmission (WET) promises to enhance device mobility through selective and untethered energy delivery. In this paper, WET principles are harnessed to directly and non-dispersively transfer thermal stimuli to designated areas within thermally-responsive liquid crystal oligomer networks (LCONs). For this, a conductive coil receiver within the LCON as a remote stimuli source is embedded. Upon activation by radio-frequency WET, targeted Joule heating occurs and the low thermal conductivity of LCONs causes retention of delivered stimulus at the receiver, generating temperature differences of up to 45 °C within the host LCON. This enables localized LCON actuation and self-regulated oscillations with a natural frequency of ≈0.027 Hz. WET selectivity is further demonstrated within self-pressing buttons for keyboards, where actuation only in designated areas is required for operation. The work is envisioned to contribute toward remote material-based logic for hybrid circuit designs for medical, soft robotic, and haptic applications.
| Originele taal-2 | Engels |
|---|---|
| Artikelnummer | 2407355 |
| Aantal pagina's | 8 |
| Tijdschrift | Advanced Functional Materials |
| Volume | 34 |
| Nummer van het tijdschrift | 48 |
| Vroegere onlinedatum | 28 jun. 2024 |
| DOI's | |
| Status | Gepubliceerd - 26 nov. 2024 |
Financiering
The authors thank the Netherlands Organization for Scientific Research (NWO OCENW.KLEIN. 10854, START-UP 8872), NWO Sectorplan and the European Union's Horizon 2020 Research and Innovation Programme under the Marie Sklodowska-Curie Grant Agreement No. 956150 (STORM-BOTS) for financial support. The authors thank Jay Kolvenbag for his support in designing the housing structures for the demonstrators. The authors also thank Charlotte Bording and Luca van der Giessen for graphical design. Finally, the authors thank Quentin Lahondes for his support in reviewing the manuscript and Dirk J. Broer for the fruitful discussions. The authors thank the Netherlands Organization for Scientific Research (NWO OCENW.KLEIN. 10854, START\u2010UP 8872), NWO Sectorplan and the European Union's Horizon 2020 Research and Innovation Programme under the Marie Sklodowska\u2010Curie Grant Agreement No. 956150 (STORM\u2010BOTS) for financial support. The authors thank Jay Kolvenbag for his support in designing the housing structures for the demonstrators. The authors also thank Charlotte Bording and Luca van der Giessen for graphical design. Finally, the authors thank Quentin Lahondes for his support in reviewing the manuscript and Dirk J. Broer for the fruitful discussions.