Transparent Piezoelectric Nanogenerator for Self-Powered Force Sensing Applications

Nair, Nitheesh M.; Deswal, Swati; Dahiya, Ravinder

doi:10.1109/lsens.2023.3272768

Cited by 6 publications

(3 citation statements)

References 16 publications

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“…3.1.5. Self-Powered Implantable Electronics Another invention based on a PVDF-derivative, namely poly(vinylidene fluoride-cotetrafluoroethylene)-P(VDF-TrFE)-was introduced as a transparent self-powered PENG force sensor [145]. P(VDF-TrFE) film was placed between indium tin oxide electrodes to create a 2 × 2 PENG array.…”

Section: Self-powered Sensorsmentioning

confidence: 99%

A Review of Recent Advances in Human-Motion Energy Harvesting Nanogenerators, Self-Powering Smart Sensors and Self-Charging Electronics

Gołąbek,

Strankowski

2024

Sensors

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In recent years, portable and wearable personal electronic devices have rapidly developed with increasing mass production and rising energy consumption, creating an energy crisis. Using batteries and supercapacitors with limited lifespans and environmental hazards drives the need to find new, environmentally friendly, and renewable sources. One idea is to harness the energy of human motion and convert it into electrical energy using energy harvesting devices—piezoelectric nanogenerators (PENGs), triboelectric nanogenerators (TENGs) and hybrids. They are characterized by a wide variety of features, such as lightness, flexibility, low cost, richness of materials, and many more. These devices offer the opportunity to use new technologies such as IoT, AI or HMI and create smart self-powered sensors, actuators, and self-powered implantable/wearable devices. This review focuses on recent examples of PENGs, TENGs and hybrid devices for wearable and implantable self-powered systems. The basic mechanisms of operation, micro/nano-scale material selection and manufacturing processes of selected examples are discussed. Current challenges and the outlook for the future of the nanogenerators are also discussed.

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Section: Self-powered Sensorsmentioning

confidence: 99%

A Review of Recent Advances in Human-Motion Energy Harvesting Nanogenerators, Self-Powering Smart Sensors and Self-Charging Electronics

Gołąbek,

Strankowski

2024

Sensors

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“…Flexible and transparent conductive electrodes (TCE) are of interest in several applications such as touch interfaces, − organic light emitting diodes (OLEDs), interactive displays, , energy storage, − and energy harvesting. , Thus, far, indium tin oxide (ITO) has been the most used TCE material as it offers excellent optoelectronic properties (e.g., high transparency >85% and low sheet resistance (10–100 Ω/sq)) . Despite such attractive attributes and, as a result, the commercial demand (>20% annual increment), it is challenging to rely on ITO because of high manufacturing cost and the scarcity of indium.…”

Section: Introductionmentioning

confidence: 99%

Highly Conductive PEDOT:PSS: Ag Nanowire-Based Nanofibers for Transparent Flexible Electronics

Karagiorgis,

Shakthivel,

Khandelwal

et al. 2024

ACS Appl. Mater. Interfaces

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Highly conductive, transparent, and easily available materials are needed in a wide range of devices, such as sensors, solar cells, and touch screens, as alternatives to expensive and unsustainable materials such as indium tin oxide. Herein, electrospinning was employed to develop fibers of PEDOT:PSS/silver nanowire (AgNW) composites on various substrates, including poly-(caprolactone) (PCL), cotton fabric, and Kapton. The influence of AgNWs, as well as the applied voltage of electrospinning on the conductivity of fibers, was thoroughly investigated. The developed fibers showed a sheet resistance of 7 Ω/ sq, a conductivity of 354 S/cm, and a transmittance value of 77%, providing excellent optoelectrical properties. Further, the effect of bending on the fibers' electrical properties was analyzed. The sheet resistance of fibers on the PCL substrate increased slightly from 7 to 8 Ω/sq, after 1000 bending cycles. Subsequently, as a proof of concept, the nanofibers were evaluated as electrode material in a triboelectric nanogenerator (TENG)-based energy harvester, and they were observed to enhance the performance of the TENG device (78.83 V and 7 μA output voltage and current, respectively), as compared to the same device using copper electrodes. These experiments highlight the untapped potential of conductive electrospun fibers for flexible and transparent electronics.

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“…[ 20,41,42,46–48 ] The harvested energy could be directly used to power the sensors or can be stored in tandem with rechargeable and stretchable batteries and supercapacitors. [ 42,49 ] For instance, an energy‐autonomous e‐Skin with graphene‐based transparent touch sensing layer integrated into solar cells was demonstrated. [ 50 ] Such an integration strategy is promising but this approach as well as other similar solutions reported in the literature require separate sensors and energy‐generating devices connected through conditioning circuits which raises integration challenges.…”

Section: Introductionmentioning

confidence: 99%

Self‐Powered Multimodal Sensing Using Energy‐Generating Solar Skin for Robotics and Smart Wearables

Chirila,

Dahiya,

Schyns

et al. 2024

Advanced Intelligent Systems

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Wearable electronic devices‐laden systems such as electronic‐skin (e‐Skin) have been explored in recent years to enable advances in applications such as Internet of Things, healthcare, and robotics. The power requirement of multitudes of devices in the e‐Skin is a major hurdle for its wider uptake. Herein, a solar cells‐based energy generating e‐Skin is presented and how the energy outputs of solar cells can be innovatively processed for multimodal sensing is demonstrated. By reading the variations and energy output patterns of the e‐Skin, present on a robotic arm, multiple parameters can be sensed including object motion, color detection, and ambient temperature. With the accurate tracking of shadow sensing, for an object moving in horizontal and vertical directions with respect to the solar skin, information can be obtained such as the velocity and acceleration of moving object. In this regard, the presented e‐Skin can also be seen to have vision capability. The presented multifunctional energy‐generating e‐Skin shows an energy surplus of >1 mW (effective module area of 20 cm2) under white light illumination of 4,450 lux, which is sufficient for continuous powering of portable low‐powered devices. Finally, we demonstrate the e‐Skin application for energy‐autonomous hand gestures recognition in robotics.

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Transparent Piezoelectric Nanogenerator for Self-Powered Force Sensing Applications

Abstract: published" is the date the accepted preprint is posted on IEEE Xplore ® ; "current version" is the date the typeset version is posted on Xplore ® ).

Cited by 6 publications

References 16 publications

A Review of Recent Advances in Human-Motion Energy Harvesting Nanogenerators, Self-Powering Smart Sensors and Self-Charging Electronics

A Review of Recent Advances in Human-Motion Energy Harvesting Nanogenerators, Self-Powering Smart Sensors and Self-Charging Electronics

Highly Conductive PEDOT:PSS: Ag Nanowire-Based Nanofibers for Transparent Flexible Electronics

Self‐Powered Multimodal Sensing Using Energy‐Generating Solar Skin for Robotics and Smart Wearables

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