期刊
ADVANCED MATERIALS
卷 34, 期 33, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202202994
关键词
microwave devices; organic mixed conductors; wireless sensing
类别
资金
- European Union [838799]
- Istituto Italiano di Tecnologia within the CRUI-CARE Agreement
- Marie Curie Actions (MSCA) [838799] Funding Source: Marie Curie Actions (MSCA)
Organic electronic materials have played a significant role in the development of various technologies in the past two decades. Among them, organic mixed ion-electronic conductors (OMIECs) have gained renewed interest and are regarded as key drivers in the fields of bioelectronics, energy storage, and neuromorphic computing. This study demonstrates the use of solution-processed intrinsic OMIECs to actively tune the properties of metamaterial-inspired microwave devices, showcasing the substantial potential of OMIEC-based metadevices in autonomous bioelectronics and reconfigurable microwave optics.
In the past two decades, organic electronic materials have enabled and accelerated a large and diverse set of technologies, from energy-harvesting devices and electromechanical actuators, to flexible and printed (opto)electronic circuitry. Among organic (semi)conductors, organic mixed ion-electronic conductors (OMIECs) are now at the center of renewed interest in organic electronics, as they are key drivers of recent developments in the fields of bioelectronics, energy storage, and neuromorphic computing. However, due to the relatively slow switching dynamics of organic electronics, their application in microwave technology, until recently, has been overlooked. Nonetheless, other unique properties of OMIECs, such as their substantial electrochemical tunability, charge-modulation range, and processability, make this field of use ripe with opportunities. In this work, the use of a series of solution-processed intrinsic OMIECs is demonstrated to actively tune the properties of metamaterial-inspired microwave devices, including an untethered bioelectrochemical sensing platform that requires no external power, and a tunable resonating structure with independent amplitude- and frequency-modulation. These devices showcase the considerable potential of OMIEC-based metadevices in autonomous bioelectronics and reconfigurable microwave optics.
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