All rGO-on-PVDF-nanofibers based self-powered electronic skins

Ai, Yuanfei; Lou, Zheng; Chen, Shuai; Chen, Di; Wang, Zhiming M.; Jiang, Kai; Shen, Guozhen

doi:10.1016/j.nanoen.2017.03.039

Cited by 133 publications

(96 citation statements)

References 48 publications

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“…[84,85] Therefore, researchers have explored novel nanocomposites and nanomaterials for wearable sensors. Specially, 1D nanomaterials and nanocomposites including metallic NWs, [87,88] CNTs, [89,90] or nanofibers [91,92] are being extensively used, because the high aspect ratio of 1D nanocomposites gives it the advantage of using smaller amount of materials to build a high-efficiency percolation conductive network. Specially, 1D nanomaterials and nanocomposites including metallic NWs, [87,88] CNTs, [89,90] or nanofibers [91,92] are being extensively used, because the high aspect ratio of 1D nanocomposites gives it the advantage of using smaller amount of materials to build a high-efficiency percolation conductive network.…”

Section: Materials Structures and Methods In Wearable Sensorsmentioning

confidence: 99%

“…The GFs mainly originate from transduction mechanisms such as piezoresistivity of materials themselves, disconnection between overlapped nanomaterials, crack propagation, tunneling effect, and structural design of strain sensors. The GF of strain sensors based on the disconnection mechanism can be controllable by varying the Carbon silk nanofiber membranes 0.81% per centigrade 25-80 °C Detection of human motions and spatial distribution of temperature and pressure [161] Multifunctional sensor rGO/P(VDF-TrFE) nanofibers/PDMS Detection of human movements and physiological signals, the brightness of light and volatile organic compounds [91] www.advmat.de www.advancedsciencenews.com density or thickness of nanomaterials. Currently, many strain sensors with high sensitivity based on the disconnection mechanism have been developed.…”

Section: Wearable Strain/motion Sensorsmentioning

confidence: 99%

“…The device can detect a larger strain range (up to 35%) with a high GF(>20). [91,94,139,140] Piezoelectric strain sensors have the advantages of larger sensing range, fast response time, highly sensitivity to dynamic mechanical stimuli, and are typically selfpowered. [138] In another approach, capacitive strain sensors with interdigitated structure electrodes exhibited better linearity sensitivity and lower hysteresis than capacitive sensors with parallel-plate structure.…”

Section: Wwwadvmatde Wwwadvancedsciencenewscommentioning

confidence: 99%

“…[91] Pressure sensors employ similar physical transduction principles as strain sensors, including piezoresistive, capacitance, piezoelectric, and triboelectric type. [91] Pressure sensors employ similar physical transduction principles as strain sensors, including piezoresistive, capacitance, piezoelectric, and triboelectric type.…”

Section: Wearable Pressure Sensorsmentioning

confidence: 99%

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Significance of Nanomaterials in Wearables: A Review on Wearable Actuators and Sensors

et al. 2018

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Powered by market hype, trends among youth, and enormous funds, wearable technology has propelled itself as one of the most discussed topics in the field during past few years. A number of different companies representing all throughout the world have already entered into the market with hundreds of different products like smart watches, fitness trackers, smart garments, and even different smart medical attachments.Together with the evolution of digital health care, the wearable electronics field has evolved rapidly during the past few years and is expected to be expanded even further within the first few years of the next decade. As the next stage of wearables is predicted to move toward integrated wearables, nanomaterials and nanocomposites are in the spotlight of the search for novel concepts for integration. In addition, the conversion of current devices and attachment-based wearables into integrated technology may involve a significant size reduction while retaining their functional capabilities. Nanomaterialbased wearable sensors have already marked their presence with a significant distinction while nanomaterial-based wearable actuators are still at their embryonic stage. This review looks into the contribution of nanomaterials and nanocomposites to wearable technology with a focus on wearable sensors and actuators.

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Section: Materials Structures and Methods In Wearable Sensorsmentioning

confidence: 99%

Section: Wearable Strain/motion Sensorsmentioning

confidence: 99%

Section: Wwwadvmatde Wwwadvancedsciencenewscommentioning

confidence: 99%

Section: Wearable Pressure Sensorsmentioning

confidence: 99%

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Significance of Nanomaterials in Wearables: A Review on Wearable Actuators and Sensors

et al. 2018

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“…Most wearable sensor devices involve bulky power supplies, direct physical connections, and related circuits, leading to their practical applications limitation. [122][123][124] Our group assembled flexible full battery using the Li 4 Ti 5 O 12 nanorods coated on flexible stainless steel cloth. For instance, solar cells, which can convert solar energy into electricity in a sustainable manner, can be used to set up self-powered operation mode by integrating the wearable sensor.…”

Section: Power Supplymentioning

confidence: 99%

Recent Advances in Smart Wearable Sensing Systems

Lou

Wang

Shen

2018

Adv Materials Technologies

Self Cite

141

114

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a research field that integrates a highly diverse range of researchers and practitioners, including electronics, bioengineering, systems engineering, materials science, and other interdisciplinary expertise. [12][13][14][15] However, wearable sensors currently face great challenges because they are still in the initial stage of development. [16] For example, wearable sensors need to be integrated into the proper shape surfaces with compatibility, durability, and abrasion resistance. [17,18] Existing commercial wearable sensing devices are mainly implemented by encapsulating integrated circuits on rigid packaged solid substrates. But rigid packages are not mechanically compatible with soft and curved human bodies, resulting in unreliable measurement results due to measurement positions changed and unreliable skin contact. [19,20] In addition, smart wearable sensing requires complex sensing systems, which can complete a variety of functional electronic components, including data acquisition and processing, equipment operation control, intelligent data display, and self-powered operation.Despite these challenges, new SWSS with flexibility and stretchability has been evolved over the years as the ability to process large amounts of information in real time grows rapidly. [18,21,22] Flexible and stretchable electronic devices are emerging technologies that aim to fabricate electronic circuits on "soft" substrates to achieve mechanical flexibility and stretchable of sensor components, making it possible to construct SWSS with unique characteristics, such as great conformability, excellent stretchability, low cost, and low weight. [23] Flexible sensors can capture target analytes more effectively and produce high-quality signals, while the traditional ones are unable to capture poor quality signal transduction analytes due to their rigidity hindering. [24] In particularly, users can perceive their surroundings in a convenient, effective, and timely manner with the SWSS help. In recent years, the focus on the construction of ultrathin flexible and stretchable sensors has prompted emerging applications of SWSS. [25][26][27][28] Meanwhile, the development of SWSS has become a revolutionary process in sensing technology. In general, the key factor of the SWSS is to respond quickly and accurately to the detection target and then transmit the processed data to the user in an easy to operate display mode. [18] However, despite the rapid growth of wearable and flexible sensing technologies, few SWSSs appear on the market due to their inherent limitations. Therefore, a comprehensive review and systematic summary of the latest technology in the development of SWSS will be beneficial for the entire field.Wearable technology with widespread public attention has generated tremendous economic and social impact, resulting in changes in healthcare procedures and personal lifestyle. Smart wearable sensing systems, as an important type of device in wearable technology which can detect various stimuli relevant to biological species or spe...

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Recent Advances of Flexible Micro‐Supercapacitors

Cao

Wang

et al. 2022

Flexible Supercapacitors

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All rGO-on-PVDF-nanofibers based self-powered electronic skins

Cited by 133 publications

References 48 publications

Significance of Nanomaterials in Wearables: A Review on Wearable Actuators and Sensors

Significance of Nanomaterials in Wearables: A Review on Wearable Actuators and Sensors

Recent Advances in Smart Wearable Sensing Systems

Recent Advances of Flexible Micro‐Supercapacitors

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