Silk Fibroin Nanocomposites with Indium Tin Oxide toward Sustainable Capacitive Touch Sensing Applications

Reizabal, Ander; Castro, Nélson; Pereira, Nélson; Costa, Carlos M.; Pérez‐Álvarez, Leyre; Vilas-Vilela, José Luis; Lanceros‐Méndez, S.

doi:10.1021/acsaelm.2c00100

Cited by 8 publications

(4 citation statements)

References 56 publications

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“…Dong et al [15] developed a composite conductive film based on RSF/CNTs and assembled it with a highly elastic dielectric layer to prepare a capacitive pressure sensor, the addition of CNTs can improve the conductivity and mechanical strength of the film, which is used in human physiology and motion detection. Rezabal et al [156] developed a capacitive touch sensing device by preparing an RSF/indium tin oxide (ITO) composite film, and the addition of ITO can improve the mechanical and dielectric properties of RSF, with a maximum dielectric constant of 10. Based on this, the authors have developed a 4 × 4 array touch sensor with high sensitivity to sense touch or swiping (figure 7(c)).…”

Section: Applications Of Sf-based Capacitive Pressure Sensorsmentioning

confidence: 99%

Silk fibroin-based flexible pressure sensors: processing and application

Chen,

Liu,

et al. 2024

Mater. Futures

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With the advent of the Internet of Things and Artificial Intelligence, flexible and portable pressure sensors have shown great application potential in human-computer interaction, personalized medicine and other fields. By comparison with traditional inorganic materials, flexible polymeric materials conformable to the human body are more suitable for the fabrication of wearable pressure sensors. Given the consumption of a huge amount of flexible wearable electrons in near future, it is necessary to turn their attention to degradable polymers for the fabrication of flexible pressure sensors for the development requirement of green and sustainable electronics. In this paper, the structure and properties of silk fibroin are introduced, and the source and research progress of the piezoelectric properties of silk fibroin are systematically discussed. In addition, this paper summarizes the advance in the studies on silk fibroin-based capacitive, resistive, triboelectric, and piezoelectric sensors reported in recent years, and focuses on their fabrications and applications. Finally, this paper also puts forward the future development trend of the high-efficiency fabrication and application of silk fibroin-based piezoelectric sensors. It offers new insights to the design and fabrication of green and biodegradable bioelectronics for in vitro and in vivo sensing applications.

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Section: Applications Of Sf-based Capacitive Pressure Sensorsmentioning

confidence: 99%

Silk fibroin-based flexible pressure sensors: processing and application

Chen,

Liu,

et al. 2024

Mater. Futures

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“…Capacitive sensors offer another option to measure the pose of soft robots as well as their interaction with the environment by measuring the change in capacitance. To develop flexible capacitive sensors, several stretchable and conductive materials are used to fabricate electrodes, such as composites, 112 conductive polymer, 113 and thin films. 114 Another indicator of the performance of capacitive sensors is sensitivity, which is dominated by deformation of the dielectric layers.…”

Section: Sensing Technologies For Soft Roboticsmentioning

confidence: 99%

Sensing in Soft Robotics

Hegde,

Su,

Tan

et al. 2023

ACS Nano

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Soft robotics is an exciting field of science and technology that enables robots to manipulate objects with human-like dexterity. Soft robots can handle delicate objects with care, access remote areas, and offer realistic feedback on their handling performance. However, increased dexterity and mechanical compliance of soft robots come with the need for accurate control of the position and shape of these robots. Therefore, soft robots must be equipped with sensors for better perception of their surroundings, location, force, temperature, shape, and other stimuli for effective usage. This review highlights recent progress in sensing feedback technologies for soft robotic applications. It begins with an introduction to actuation technologies and material selection in soft robotics, followed by an in-depth exploration of various types of sensors, their integration methods, and the benefits of multimodal sensing, signal processing, and control strategies. A short description of current market leaders in soft robotics is also included in the review to illustrate the growing demands of this technology. By examining the latest advancements in sensing feedback technologies for soft robots, this review aims to highlight the potential of soft robotics and inspire innovation in the field.

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“…[127][128][129][130] One such material is indium tin oxide (ITO), widely used in semiconductor devices such as flat-panel displays and touch screens due to its unique properties. [131][132][133][134] ITO is a transparent conducting electrode with a high refractive index and can conduct electricity, attributed to the addition of tin to indium oxide, which introduces free electrons into the material and makes ITO conductive. Simultaneously, the oxygen ions in the material provide the ITO with a high refractive index, allowing it to function as a transparent material.…”

Section: Stimulus-responsive Materialsmentioning

confidence: 99%

Switching on Versatility: Recent Advances in Switchable Plasmonic Nanostructures

Yoo,

Lee,

et al. 2023

Small Science

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Plasmonic nanostructures are emerging as a promising avenue for nanophotonics due to their extreme light and thermal confinement, ultrafast manipulation processes, and potential uses in device miniaturization. However, their fixed functions have limited their versatility in applications. This review provides an overview of recent switchable plasmonic nanostructure engineering techniques, focusing on methods that provide reversible switchability. Passive optical switching, active structure‐tunable switching, active material‐based switching, and advanced applications, such as multifunctional biomedical sensing, energy harvesting, and dynamic optical devices, are discussed. The specific methods and techniques used to engineer switchable plasmonic nanostructures are also highlighted. By understanding the latest developments and overall trends, this review is expected to help researchers design and fabricate advanced plasmonic nanostructures with unprecedented switchability and versatility for various applications.

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Silk Fibroin Nanocomposites with Indium Tin Oxide toward Sustainable Capacitive Touch Sensing Applications

Cited by 8 publications

References 56 publications

Silk fibroin-based flexible pressure sensors: processing and application

Silk fibroin-based flexible pressure sensors: processing and application

Sensing in Soft Robotics

Switching on Versatility: Recent Advances in Switchable Plasmonic Nanostructures

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