Piezoelectric nanogenerator based on flexible PDMS–BiMgFeCeO<sub>6</sub> composites for sound detection and biomechanical energy harvesting

Hajra, Sugato; Oh, Yumi; Sahu, Manisha; Lee, Kyung-Taek; Kim, Hang-Gyeom; Panigrahi, Basanta K.; Mistewicz, Krystian; Kim, Hoe Joon

doi:10.1039/d1se01587g

Cited by 31 publications

(24 citation statements)

References 37 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…But, recently there have been many reports related to piezoelectric nanogenerators with low output current, which proves to be one of the limitations in powering low-power devices. As shown in Table , although high open-circuit voltages up to 30 V with a comparatively smaller active area have been obtained earlier, the current is usually in the nano-ampere range, making it futile for power generation. − In some reports like Fe 3 O 4 /PVDF based PENG has exhibited an outstanding current of 0.4 μA, but the voltage was less in comparison to other PENGs . In some reports like barium titanate/P(VDF–TrFE) and 0.5Ba(Zr 0.2 Ti 0.8 )O 3 –0.5(Ba 0.7 Ca 0.3 )TiO 3 /P(VDF–TrFE)-based PENGs have exhibited outstanding voltage and current, but the use of expensive processes like a thermal evaporator and poling of the film make the devices uneconomical. , In this work, the V oc and I sc of an as-fabricated ZFO/PDMS-based PENG was obtained at 40 V and 0.6 μA, respectively, demonstrating its excellent capability for powering small devices.…”

Section: Resultsmentioning

confidence: 97%

Zinc Ferrite Nanoparticle-Based Wearable Piezoelectric Nanogenerators as Self-Powered Sensors to Monitor Human Motion

Das

Veeralingam

Badhulika

2023

ACS Appl. Nano Mater.

View full text Add to dashboard Cite

With technological advancements in healthcare, the demand for wearable sensors to monitor human movements has become increasingly popular. However, the limited lifetime of the energy sources that power these devices remains a challenge. In this work, we report on a low-cost, flexible, and skin-conformal wearable piezoelectric nanogenerator (PENG) based on hydrothermally grown zinc ferrite nanoparticles, i.e., ZnFe 2 O 4 (ZFO nanoparticles), and poly-(dimethylsiloxane) (PDMS) composite as a self-powered sensor to monitor patients' activities. The FCC cubic spinel crystal structure of ZFO nanoparticles with Fd3̅ m space group is confirmed by X-ray spectroscopy (XRD) and Raman spectroscopy. The non-centrosymmetric structured ZFO nanoparticles exhibit exceptional piezo-properties, including a d 33 value of 333 pm/V obtained from the piezoresponse force microscopy (PFM) study, which is significantly higher than that of similar class of oxide-based piezoelectric materials. To fabricate the device, the ZFO nanoparticles and PDMS-based composite solution is spin coated on a Cu foil and sandwiched between a pair of Cu foils after drying it. The as-fabricated PENG with an optimized 5 wt % of ZFO nanoparticles exhibits an opencircuit voltage (V oc ) of 40 V and a short-circuit current (I sc ) of 0.6 μA upon finger tapping. Further, the PENG is used as a selfpowered sensor to monitor various human activities, including human gait, fall detection, and joint movement. The fabricated PENG demonstrates excellent stability with 95% voltage output retention after 60 days. The work demonstrated here has enormous potential in the healthcare sector, which involves patient rehabilitation for musculoskeletal abnormalities, leg injuries, and elderly assistance including geriatric rehabilitation, etc.

show abstract

Section: Resultsmentioning

confidence: 97%

Zinc Ferrite Nanoparticle-Based Wearable Piezoelectric Nanogenerators as Self-Powered Sensors to Monitor Human Motion

Das

Veeralingam

Badhulika

2023

ACS Appl. Nano Mater.

View full text Add to dashboard Cite

show abstract

“…Normally, all phases of PVDF show almost similar peaks with the exception of unique peaks that are used to identify the crystalline structure. X-ray diffractograms were used to analyze the crystalline structure [ 39 ] of prepared PVDF nanofibrous meshs obtained from different solutions to identify the beta phase in the fibers, which is primarily accountable for piezoelectric characteristics. PVDF showed its strongest peak near θ = 20°.…”

Section: Resultsmentioning

confidence: 99%

Piezoelectric nanogenerator for bio-mechanical strain measurement

Javed¹,

Rafiq²,

Nazeer³

et al. 2022

Beilstein J. Nanotechnol.

View full text Add to dashboard Cite

Piezoelectric materials have attracted more attention than other materials in the field of textiles. Piezoelectric materials offer advantages as transducers, sensors, and energy-harvesting devices. Commonly, ceramics and quartz are used in such applications. However, polymeric piezoelectric materials have the advantage that they can be converted into any shape and size. In smart textiles, polyvinylidene fluoride (PVDF) and other piezoelectric polymers are used in the form of fibers, filaments, and composites. In this research, PVDF nanofibers were developed and integrated onto a knitted fabric to fabricate a piezoelectric device for human body angle monitoring. Scanning electron microscopy and X-ray diffraction analyses were used to study the morphology and to confirm the beta phase in fibers. The results reveal that the nanofibers made from solutions with high concentration were smooth and defect-free, compared to the fibers obtained from solutions with low concentration, and possess high crystallinity as well. Under high dynamic strain more output voltage is generated than under low dynamic strain. The maximum current density shown by the device is 172.5 nA/cm2. The developed piezoelectric nanofiber sensor was then integrated into a knitted fabric through stitching to be used for angle measurement. With increasing bending angle, the output voltage increased. The promising results show that the textile-based piezoelectric sensor developed in this study has a great potential to be used as an angle measuring wearable device for the human body due to its high current density output and flexibility.

show abstract

“…16,65,66 Therefore, to miniaturize the device and achieve high output performance, it would be highly desired to harvest both forms of energy from a single cell of the device simultaneously. [67][68][69] Researchers are particularly interested in lightweight, inexpensive, biocompatible, and exible polymeric materials with pyroelectric and piezoelectric features because they hold enormous potential in developing exible hybrid energy cells. [70][71][72] Lee et al constructed a highly exible, hybrid energyscavenging PYNG based on a micro-patterned piezoelectric P(VDF-TrFE) polymer, polydimethylsiloxane (PDMS)-carbon nanotubes (CNTs), and graphene nanosheets.…”

Section: Piezo-pyro Hybrid Nanogeneratorsmentioning

confidence: 99%

Pyroelectric based energy harvesting devices: hybrid structures and applications

Panda,

Hajra,

Song

et al. 2023

Sustainable Energy Fuels

Self Cite

View full text Add to dashboard Cite

show abstract

Piezoelectric nanogenerator based on flexible PDMS–BiMgFeCeO₆ composites for sound detection and biomechanical energy harvesting

Abstract: The piezoelectric nanogenerator (PENG) depends upon the piezoelectric material for the conversion of mechanical stress into useful electrical energy. Development of piezoelectric material compositions starting from ceramic oxides, polymer, and...

Cited by 31 publications

References 37 publications

Zinc Ferrite Nanoparticle-Based Wearable Piezoelectric Nanogenerators as Self-Powered Sensors to Monitor Human Motion

Zinc Ferrite Nanoparticle-Based Wearable Piezoelectric Nanogenerators as Self-Powered Sensors to Monitor Human Motion

Piezoelectric nanogenerator for bio-mechanical strain measurement

Pyroelectric based energy harvesting devices: hybrid structures and applications

Contact Info

Product

Resources

About

Piezoelectric nanogenerator based on flexible PDMS–BiMgFeCeO6 composites for sound detection and biomechanical energy harvesting

Abstract: The piezoelectric nanogenerator (PENG) depends upon the piezoelectric material for the conversion of mechanical stress into useful electrical energy. Development of piezoelectric material compositions starting from ceramic oxides, polymer, and...

Cited by 31 publications

References 37 publications

Zinc Ferrite Nanoparticle-Based Wearable Piezoelectric Nanogenerators as Self-Powered Sensors to Monitor Human Motion

Zinc Ferrite Nanoparticle-Based Wearable Piezoelectric Nanogenerators as Self-Powered Sensors to Monitor Human Motion

Piezoelectric nanogenerator for bio-mechanical strain measurement

Pyroelectric based energy harvesting devices: hybrid structures and applications

Contact Info

Product

Resources

About

Piezoelectric nanogenerator based on flexible PDMS–BiMgFeCeO₆ composites for sound detection and biomechanical energy harvesting