Recent Advances in Silver Nanowire Based Flexible Capacitive Pressure Sensors: From Structure, Fabrication to Emerging Applications

Başarír, Fevzihan; Madani, Zahra; Vapaavuori, Jaana

doi:10.1002/admi.202200866

Cited by 36 publications

(16 citation statements)

References 102 publications

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“…Under external pressure, the changes of A and d resulted in the superior properties of the sensor, showing a sensitivity of 30.2 kPa −1 and the LOD (0.7 Pa) in the pressure regime of <130 Pa [156]. The physiological pressure sensor has found wide applications in monitoring human activities and health conditions [159][160][161]. The sensitivity and detection pressure range are two important performances for practical applications.…”

Section: Physiological Pressure Sensorsmentioning

confidence: 99%

“…The combination of the two concepts is capable of obtaining high sensitivity in a wide linear range. The physiological pressure sensor has found wide applications in monitoring human activities and health conditions [159][160][161]. The sensitivity and detection pressure range are two important performances for practical applications.…”

Section: Physiological Pressure Sensorsmentioning

confidence: 99%

“…The physiological pressure sensor has found wide applications in monitoring human activities and health conditions [ 159 , 160 , 161 ]. The sensitivity and detection pressure range are two important performances for practical applications.…”

Section: Wearable Biosensorsmentioning

confidence: 99%

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Flexible and Wearable Biosensors for Monitoring Health Conditions

et al. 2023

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Flexible and wearable biosensors have received tremendous attention over the past decade owing to their great potential applications in the field of health and medicine. Wearable biosensors serve as an ideal platform for real-time and continuous health monitoring, which exhibit unique properties such as self-powered, lightweight, low cost, high flexibility, detection convenience, and great conformability. This review introduces the recent research progress in wearable biosensors. First of all, the biological fluids often detected by wearable biosensors are proposed. Then, the existing micro-nanofabrication technologies and basic characteristics of wearable biosensors are summarized. Then, their application manners and information processing are also highlighted in the paper. Massive cutting-edge research examples are introduced such as wearable physiological pressure sensors, wearable sweat sensors, and wearable self-powered biosensors. As a significant content, the detection mechanism of these sensors was detailed with examples to help readers understand this area. Finally, the current challenges and future perspectives are proposed to push this research area forward and expand practical applications in the future.

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Section: Physiological Pressure Sensorsmentioning

confidence: 99%

Section: Physiological Pressure Sensorsmentioning

confidence: 99%

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Flexible and Wearable Biosensors for Monitoring Health Conditions

et al. 2023

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“…Silver nanowires (AgNWs), a one-dimensional metallic nanomaterial, have attracted much attention due to their excellent mechanical and electrical properties, high transmittance, and easy large-scale preparation . To achieve high conductivity and various mechanical deformations of the conductive electrodes, AgNWs are coated on different flexible polymer substrates to replace the ITO electrodes. , Li et al assembled a dielectric layer composed of thermoplastic polyurethane (TPU) and ionic liquid (ILs) with two electrodes based on flexible AgNWs/polydimethylsiloxane (PDMS) to produce a flexible sensor that could serve as both a pressure sensor and a temperature sensor .…”

Section: Introductionmentioning

confidence: 99%

Green Fabrication of All-Nanocellulose-Based Flexible Electroluminescent Devices with Biodegradability, Recyclability, and Extreme Environment Tolerance

Lu,

Sun,

Deng

et al. 2024

ACS Sustainable Chem. Eng.

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Flexible electroluminescent (EL) devices have become an important part of lighting and display. However, fabricating a flexible EL device with biodegradability, recyclability, and extreme environment tolerance through a facile and green method still remains challenging to date. Herein, an all-nanocellulose-based flexible EL device with recyclable phosphors is developed by using a sandwich-structured assembly strategy. Biomassderived cellulose nanocrystals with II crystalline allomorphs (CNCs II) with high transmittance are utilized as a film-forming agent, a dispersant, and an antioxidant for transparent electrodes. Biomass-derived cellulose nanofibers with a high aspect ratio are introduced into the luminescent layer to improve the mechanical stability of the devices. The CNC II-silver nanowire electrodes with high transmittance (81.7%) and low sheet resistance (4.4 Ω sq −1 ) demonstrate conductive stability, damage resistance, and inoxidizability. The assembled EL devices with high luminance (135.7 cd m −2 at 400 V and 20 kHz), tensile strength (16.6 MPa), and mechanical cyclic stability can work properly over a wide temperature range (−20 to 60 °C). With the action of cellulase, the entire device can be completely biodegraded within 7 h. The device prepared with recycled phosphors basically maintains the original mechanical and luminescent properties. The patternable allnanocellulose-based EL devices with biodegradability, recyclability, and extreme environment tolerance manufactured through an environmentally friendly approach offer a favorable option for future green electronics including wearable devices and flexible display screens.

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“…Among diverse sensors, the capacitive pressure sensors are very attractive for its superior performance of expeditious responding and amplifying the local press stimuli and thus enable to feedback outside stimulus information instantaneously. In recent years, aiming to improve the compressibility and sensitivity of sensors to detect very weak signals, most of capacitive pressure sensors are focused on introducing micro-nano structures like pyramids, [19] microspheres, [20] nanowires, [21] layered structures, [22] and interlocked structures. [23] But the further research on multi-stage interlocked microstructures related to the tactile perception performance is rare.…”

Section: Introductionmentioning

confidence: 99%

Multistage micro-structured ionic skin for real-time vital signs monitoring and human-machine interaction

Wang,

Zi,

Chen

et al. 2024

Preprint

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Skin-like electronics research aiming to mimic even surpass human-like specific tactile cognition by operating perception-to-cognition-to-feedback of stimulus to build intelligent cognition systems for certain imperceptible or inappreciable signals was so attractive. Herein, we constructed an all-in-one wearable device to address the sensitivity and power supply simultaneously by integrating multistage micro-structured ionic skin (MM i-skin) and piezoelectric & thermoelectric dual-mode self-power staffs. The MM i-skin with multi-stage “interlocked” configurations achieved precise recognition of subtle signals, where the sensitivity reached up to 77.4 kPa-1, as well as response time of 46 ms, cyclic stability (over 1500 cycles), and a pressure detection limit (over 50 kPa). Furthermore, we developed a piezo/thermo-electricity dual-mode nanogenerator, denoted as P-iskin / T-iskin, for self-powering the pressure sensor. This self-powered multifunctional ionic skin enables real-time monitoring of weak body signals, rehab guidance, and robotic motion recognition, demonstrating potential for internet of things (IoT) applications involving the artificial intelligence-motivated sapiential healthcare internet (SHI) and widely distributed human-machine interaction (HMI).

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Recent Advances in Silver Nanowire Based Flexible Capacitive Pressure Sensors: From Structure, Fabrication to Emerging Applications

Cited by 36 publications

References 102 publications

Flexible and Wearable Biosensors for Monitoring Health Conditions

Flexible and Wearable Biosensors for Monitoring Health Conditions

Green Fabrication of All-Nanocellulose-Based Flexible Electroluminescent Devices with Biodegradability, Recyclability, and Extreme Environment Tolerance

Multistage micro-structured ionic skin for real-time vital signs monitoring and human-machine interaction

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