Ultrafast Paper Thermometers Based on a Green Sensing Ink

Tao, Xinglei; Jia, Hanyu; He, Yonglin; Liao, Shenglong; Wang, Yapei

doi:10.1021/acssensors.7b00060

Cited by 40 publications

(51 citation statements)

References 37 publications

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“…Traditional thermometry methods use sophisticated infrared digital cameras or paste-on temperature sensors for single-point measurements, which cannot realize the continuous and cost-effective temperature mapping, which is demanded by many clinical applications. Therefore, the tattoo with array of sensing units, like p-n junctions, thermocouples and thermal resistors, can be an ideal candidate for high-quality thermometry [ 84 , 85 , 86 , 87 ].…”

Section: Detectable Indicators In Health Monitoringmentioning

confidence: 99%

Flexible, Stretchable Sensors for Wearable Health Monitoring: Sensing Mechanisms, Materials, Fabrication Strategies and Features

Liu

Wang

Zhao

et al. 2018

Sensors

288

213

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Wearable health monitoring systems have gained considerable interest in recent years owing to their tremendous promise for personal portable health watching and remote medical practices. The sensors with excellent flexibility and stretchability are crucial components that can provide health monitoring systems with the capability of continuously tracking physiological signals of human body without conspicuous uncomfortableness and invasiveness. The signals acquired by these sensors, such as body motion, heart rate, breath, skin temperature and metabolism parameter, are closely associated with personal health conditions. This review attempts to summarize the recent progress in flexible and stretchable sensors, concerning the detected health indicators, sensing mechanisms, functional materials, fabrication strategies, basic and desired features. The potential challenges and future perspectives of wearable health monitoring system are also briefly discussed.

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Section: Detectable Indicators In Health Monitoringmentioning

confidence: 99%

Flexible, Stretchable Sensors for Wearable Health Monitoring: Sensing Mechanisms, Materials, Fabrication Strategies and Features

Liu

Wang

Zhao

et al. 2018

Sensors

288

213

View full text Add to dashboard Cite

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“…[149] Temperature is an importance indicator to the health condition of our body. Wearable temperature sensors measuring temperature on the skin [141,160,174] can be used to assess blood flow and hydration. Besides, skin temperature can reflect the level of body temperature.…”

Section: Physical Sensing Platformsmentioning

confidence: 99%

“…Wang and co-workers deposited a thermosensitive ink on paper to make a paper thermometer showing fast response and high stability (Figure 11b). [174] The sensing ink was 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide, which can be written on the paper using a pen or a printer. Au electrodes were sputtered on the paper to conduct the sensing ink and an 8 × 8 sensing array was fabricated on the paper.…”

Section: Temperature Sensingmentioning

confidence: 99%

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Flexible Hybrid Sensors for Health Monitoring: Materials and Mechanisms to Render Wearability

et al. 2019

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The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/adma.201902133.Wearable electronics have revolutionized the way physiological parameters are sensed, detected, and monitored. In recent years, advances in flexible and stretchable hybrid electronics have created emergent properties that enhance the compliance of devices to our skin. With their unobtrusive attributes, skin conformable sensors enable applications toward real-time disease diagnosis and continuous healthcare monitoring. Herein, critical perspectives of flexible hybrid electronics toward the future of digital health monitoring are provided, emphasizing its role in physiological sensing. In particular, the strategies within the sensor composition to render flexibility and stretchability while maintaining excellent sensing performance are considered. Next, novel approaches to the functionalization of the sensor for physical or biochemical stimuli are extensively covered. Subsequently, wearable sensors measuring physical parameters such as strain, pressure, temperature, as well as biological changes in metabolites and electrolytes are reported. Finally, their implications toward early disease detection and monitoring are discussed, concluding with a future perspective into the challenges and opportunities in emerging wearable sensor designs for the next few years. Wearable SensorsRecent progress in flexible and stretchable electronic systems has ignited exciting applications in consumer electronics, human computer interactions, augmented reality devices, and electronic skins. [1][2][3] Among these, a significant interest lies in health monitoring, [4][5][6] where vital functions may be measured continuously. Continuous health monitoring is far more superior than conventional healthcare workflow as the conventional approach can only offer snapshots of the physiological condition Figure 3. Material substrates for flexible and stretchable electronics, highlighting the advantages of choices for each material type. a) Common polymeric materials by order of glass transition temperatures. Reproduced with permission. [29] Copyright 2015, Elsevier. b) Schematic representation of crosslinked elastomeric substrates possessing configuration entropy. Reproduced with permission. [22]

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“…The Arrhenius‐form equation can be used to describe the temperature‐dependent change of conductivity. [ 59 ] In an amorphous medium like ionic liquids, the corrected equation called Vogel–Tamman–Fulcher (VTF) equation is established

\begin{matrix} \begin{matrix} σ (T) = σ_{\infty} \exp (- B_{1} / (T - T_{V}) \end{matrix} \end{matrix}

…”

Section: Liquid Conductors For Soft Electronicsmentioning

confidence: 99%

Soft Electronics Based on Liquid Conductors

Gui

Wang

2020

Adv Elect Materials

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Soft electronics is an emerging field that is lending great convenience to daily life. Soft electronics have shown great potentials in health monitoring, soft robotics, the Internet of Things, and so forth. Though soft electronics based on solid conductors have been intensively investigated and some considerable progress has been achieved, the intrinsic shortcomings of solid conductors are becoming the Achilles’ heel of soft electronics. Fortunately, many of the disadvantages of solid conductors can be offset by liquid conductors. Following the attractive advantages of liquid materials, in particular high flexibility, infinite deformability, self‐healing, and ease of doping/being doped, this review article summarizes a history of soft electronics based on liquid conductors and introduces the most up‐to‐date liquid conducting materials together with their representative featured functions. Particular applications in sensors, batteries, supercapacitors, thermoelectric conversion, and even memory devices are discussed in detail to intuitively emphasize how liquid conductors benefit soft electronics. In addition, limitations of liquid conductors are also discussed, as well as the key challenges and some innovative strategies to overcome them. Finally, future perspectives are put forward to develop soft electronics that are fully composed of liquid circuits.

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Ultrafast Paper Thermometers Based on a Green Sensing Ink

Cited by 40 publications

References 37 publications

Flexible, Stretchable Sensors for Wearable Health Monitoring: Sensing Mechanisms, Materials, Fabrication Strategies and Features

Flexible, Stretchable Sensors for Wearable Health Monitoring: Sensing Mechanisms, Materials, Fabrication Strategies and Features

Flexible Hybrid Sensors for Health Monitoring: Materials and Mechanisms to Render Wearability

Soft Electronics Based on Liquid Conductors

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