Piezoelectric nanogenerators for personalized healthcare

Deng, Weili; Zhou, Yihao; Libanori, Alberto; Chen, Guorui; Yang, Weiqing; Chen, Jun

doi:10.1039/d1cs00858g

Cited by 173 publications

(102 citation statements)

References 627 publications

(896 reference statements)

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“…On the other hand, a piezoelectric nanogenerator (PENG) mechanism, however, differs from the TENG because, in a piezoelectric material, an electric charge is generated based on a change in polarization due to mechanical stress . PENGs garnered strong attraction in personalized healthcare development and have been slowly developed into a textile form . In layer stacking, a piezoelectric material is sandwiched between two layers of electrodes to transfer forces to deform the middle working layer .…”

Section: Smart Textiles For Healthcarementioning

confidence: 99%

“…15 PENGs garnered strong attraction in personalized healthcare development and have been slowly developed into a textile form. 16 In layer stacking, a piezoelectric material is sandwiched between two layers of electrodes to transfer forces to deform the middle working layer. 16 In yarn intersection, which addresses wearability and breathability, a single piezoelectric fiber acts as a building block, such as ZnO or BaTiO 3 nanowires grown on fibers, 17 interwoven with a conductive electrode fiber, 18 and may incorporate a third component such as polyvinyl chloride to improve flexibility 19 or addition of a third dimension such as PVDF yarns as a spacer.…”

Section: Smart Textiles For Diagnosticsmentioning

confidence: 99%

“…16 In layer stacking, a piezoelectric material is sandwiched between two layers of electrodes to transfer forces to deform the middle working layer. 16 In yarn intersection, which addresses wearability and breathability, a single piezoelectric fiber acts as a building block, such as ZnO or BaTiO 3 nanowires grown on fibers, 17 interwoven with a conductive electrode fiber, 18 and may incorporate a third component such as polyvinyl chloride to improve flexibility 19 or addition of a third dimension such as PVDF yarns as a spacer. 20 A piezoelectric sensor developed using a nanostructured PVDF film could distinguish differences between normal gait and toe-out gait on pressure and interval.…”

Section: Smart Textiles For Diagnosticsmentioning

confidence: 99%

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Smart Textiles for Healthcare and Sustainability

et al. 2022

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At the forefront of the smart textile community, healthcare and sustainability are the two crucial objectives targeted by researchers. The development of such powerful devices has been driven by innovative fabrications of breathable, skin-conformable technologies through the use of functional and programmable materials and device structures. This Perspective focuses on the current smart textiles available in the research field, categorized into personalized healthcare, including diagnostics and therapeutics, and sustainability, including energy harvesting and conservationpersonalized thermoregulation. These categories are further broken down into their platform structural technologies and performances. Furthermore, we give a comprehensive overview and highlight a few examples of current studies. Finally, we provide an outlook on these technologies for future researchers to participate. We envision that the next generation of smart textiles will revolutionize wearable technology for healthcare and sustainability.

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Section: Smart Textiles For Healthcarementioning

confidence: 99%

Section: Smart Textiles For Diagnosticsmentioning

confidence: 99%

Section: Smart Textiles For Diagnosticsmentioning

confidence: 99%

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Smart Textiles for Healthcare and Sustainability

et al. 2022

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“…The trend toward personalized healthcare and environmentally-friendly alternatives has spawned a boom in sensor research. [242][243][244][245][246][247][248][249][250][251][252][253][254][255][256][257][258][259][260][261] The unique planar structure, sizable specific surface area, stacking interaction, and hydrogen bonding of MOFs and COFs would enlarge the loading efficiency and surface concentration of probe biomolecules. [262][263][264][265] Zhang and co-workers reported a novel ultrasensitive aptasensing platform based on the composite of MOF@COF hybrid material for determining the antibiotic residue in actual samples.…”

Section: Sensorsmentioning

confidence: 99%

Progress in Hybridization of Covalent Organic Frameworks and Metal–Organic Frameworks

Deng

Wang

Xiao

et al. 2022

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Metal–organic frameworks (MOFs) and covalent organic frameworks (COFs) hybrid materials are a class of porous crystalline materials that integrate MOFs and COFs with hierarchical pore structures. As an emerging porous frame material platform, MOF/COF hybrid materials have attracted tremendous attention, and the field is advancing rapidly and extending into more diverse fields. Extensive studies have shown that a broad variety of MOF/COF hybrid materials with different structures and specific properties can be synthesized from diverse building blocks via different chemical reactions, driving the rapid growth of the field. The allowed complementary utilization of π‐conjugated skeletons and nanopores for functional exploration has endowed these hybrid materials with great potential in challenging energy and environmental issues. It is necessary to prepare a “family tree” to accurately trace the developments in the study of MOF/COF hybrid materials. This review comprehensively summarizes the latest achievements and advancements in the design and synthesis of MOF/COF hybrid materials, including COFs covalently bonded to the surface functional groups of MOFs (MOF@COF), MOFs grown on the surface of COFs (COF@MOF), bridge reaction between COF and MOF (MOF+COF), and their various applications in catalysis, energy storage, pollutant adsorption, gas separation, chemical sensing, and biomedicine. It concludes with remarks concerning the trend from the structural design to functional exploration and potential applications of MOF/COF hybrid materials.

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“…Nanogenerators (NGs), altering various forms of mechanical energy to electrical energy in the environment, are able to achieve the continuous power supplies for small devices. − Hence, they are very suitable as the energy components in self-powered systems. , Since Wang and Song first came up with the idea of self-powering in 2006, the piezoelectric nanogenerator (PENG), employing the piezoelectric effect of nanomaterials, was discovered . This was followed by the triboelectric nanogenerator (TENG), first invented in 2012, which exploited the phenomenon of friction electrification that we see in daily life. − It is a new energy technology for self-powered systems based on the fundamental theory of Maxwell’s displacement current and has applications in portable electronic devices, Internet of Things, environmental and infrastructure monitoring, medical science, security, and so on. − …”

Section: Introductionmentioning

confidence: 99%

Direct-Current Triboelectric Nanogenerators Based on Semiconductor Structure

Luo

Xiao

Zhang

et al. 2022

ACS Appl. Electron. Mater.

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With the rapid development of technology and the expansion of the information age, self-powered systems are gradually emerging. Triboelectric nanogenerators (TENGs), coupling contact electrification and electrostatic induction, can realize continuous power supplied for small devices by converting energy. Traditional TENGs mainly used organic polymer insulators as triboelectric materials, which are limited by low current density alternating current. Recently, many different semiconductor material systems, especially gallium nitride (GaN), have been tried for better electric output performance or more application potential due to their high current density direct current, which can improve the output performance and mechanical properties of TENGs and have important application value at the forefront of portable electronic devices, Internet of things, environmental and infrastructural monitoring, medical science, security, and other fields. In this review, we summarize the latest research achievements and progress on TENGs with different semiconductor structures, including metal–semiconductor TENGs, semiconductor–semiconductor TENGs, metal–insulator–semiconductor TENGs, and liquid–semiconductor TENGs. On the basis of the current TENG theory of tribovoltaic effect, the generation mechanism and performance of each TENG was represented. Direct-current TENGs based on semiconductor structure show great promise for self-powered electronic devices.

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Piezoelectric nanogenerators for personalized healthcare

Abstract: Piezoelectric nanogenerators are becoming a compelling bioelectronics platform technology for human-associated energy harvesting, self-powered sensing, and therapeutics, which will largely contribute to the medical field in the era of the Internet of things.

Cited by 173 publications

References 627 publications

Smart Textiles for Healthcare and Sustainability

Smart Textiles for Healthcare and Sustainability

Progress in Hybridization of Covalent Organic Frameworks and Metal–Organic Frameworks

Direct-Current Triboelectric Nanogenerators Based on Semiconductor Structure

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