Space charge drives electromechanical conversion via a piezoelectric-like effect in ion implanted polymers DOI Creative Commons
Peter C. Sherrell, Andris Šutka, Holger Fiedler

et al.

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 25, 2024

Abstract Ion implantation is a powerful tool to modify materials chemistry and structure. The process was considered result in net-neutral material, due implanted ionic charge being compensated by the host lattice. Here, we show ion into polytetrafluoroethylene (PTFE) results an uncompensated ‘space charge’ region – requiring reconsideration of polymers. This demonstrated via electromechanical testing Cu PTFE as triboelectric nanogenerator (TENG). Previously, polymers has shown increase TENG performance, attributed increasing prevalence electron transfer during contact-separation testing. attribution incorrect, with significant conversion observed 1 x 1016 ions cm− 2 both piezoelectric mode non-contact induction measurements where cannot occur. These results, indicate that creates space effect matrix, subsequent asymmetry electric field enhancing analogous hybrid piezoelectric-TENGs. These demonstrate possess can be used directly for sensing, creating new pathway materials.

Language: Английский

Lignin-derived materials for triboelectric nanogenerators with emphasis on lignin multifunctionality DOI
Wei Li, Wenhui Zhang, Ying Xu

et al.

Nano Energy, Journal Year: 2024, Volume and Issue: 128, P. 109912 - 109912

Published: June 20, 2024

Language: Английский

Citations

36
Enhanced Acoustoelectric Energy Harvesting with Ti3C2Tx MXene in an All-Fiber Nanogenerator DOI
Fatemeh Mokhtari, Ken Aldren S. Usman, Jizhen Zhang

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Materials and devices that harvest acoustic energy can enable autonomous powering of microdevices wireless sensors. However, traditional harvesters rely on brittle piezoceramics, which have restricted their use in wearable electronic devices. To address these limitations, this study involves the fabrication using electrospinning piezoelectric polymer PVDF-TrFE onto fabric-based electrodes. Two-dimensional (2D) Ti

Language: Английский

Citations

5
Acoustic Energy Boosts Air Purification: A Novel Sound-Wave Drive TENG for Filter-less Particulate Capturing DOI

Yiting Zhang,

S.K. Lai, Chen Wang

et al.

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 110674 - 110674

Published: Jan. 1, 2025

Language: Английский

Citations

1
Towards outstanding energy-efficiency in a recyclable triboelectric nanogenerator based on a soft-rough composite material DOI Creative Commons
Shenyang Hu,

Ping Su,

Dan Tao

et al.

Nano Trends, Journal Year: 2025, Volume and Issue: unknown, P. 100080 - 100080

Published: Jan. 1, 2025

Language: Английский

Citations

1
Sustainable recycling and upgrading of waste polytetrafluoroethylene: Current progress and prospect DOI

Wenbing Yu,

Lishan Chen,

Xi Zhang

et al.

Resources Conservation and Recycling, Journal Year: 2025, Volume and Issue: 215, P. 108143 - 108143

Published: Jan. 24, 2025

Language: Английский

Citations

1
Journey across extrinsic tactics for power improvements of triboelectric energy harvesting beyond intrinsic materials and device structures: A concise review DOI Creative Commons
Ahmed Mahfuz Tamim, Yebin Lee,

Jung Hwan Park

et al.

Nano Trends, Journal Year: 2025, Volume and Issue: unknown, P. 100086 - 100086

Published: Feb. 1, 2025

Language: Английский

Citations

1
What Do We Know About Per- or Polyfluoroalkyl Substances (PFASs)? Issues, Challenges, Regulations, and Possible Alternatives DOI Creative Commons
Bruno Améduri

Macromolecules, Journal Year: 2025, Volume and Issue: unknown

Published: March 6, 2025

Per- or polyfluoroalkyl substances (PFASs) are man-made compounds involved in compositions of many industrial processes and consumer products. They categorized into two main families based on their molar mass: though low mass products (<1000 Da) toxic, mobile, bioaccumulable, cross the human membranes, others much higher masses, e.g., fluorinated macromolecules especially fluoropolymers, safe reliable, do not face such concerns, membranes (hence, they regarded as Polymers Low Concern), applications including medical high-value-added materials devices. Because former family has led to a severe global contamination, recent regulating agencies Europe (REACH) USA (EPA) have aimed at restricting fluorochemicals. Recently, consultations from affected organisms industries more than 5600 answers comments. This review supplies an update overall situation PFASs, limitations, regulations, end life, degradations, possible alternatives.

Language: Английский

Citations

1
Recent Advances in Ferroelectret Fabrication, Performance Optimization and Applications DOI
Ningzhen Wang, He Zhang, Xunlin Qiu

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: May 8, 2024

The growing demand for wearable devices has sparked a significant interest in ferroelectret films. They possess flexibility and exceptional piezoelectric properties due to strong macroscopic dipoles formed by charges trapped at the interface of their internal cavities. This review ferroelectrets focuses on latest progress fabrication techniques high temperature resistant with regular engineered cavities, strategies optimizing performance, novel applications. charging mechanisms bipolar unipolar closed open-cavity structures are explained first. Next, preparation behavior films closed, open, cavity using various materials discussed. Three widely used models predicting coefficients (d

Language: Английский

Citations

8
Ingenious Structure Engineering to Enhance Piezoelectricity in Poly(vinylidene fluoride) for Biomedical Applications DOI
Jiwei Cui,

Lijun Du,

Zhiheng Meng

et al.

Biomacromolecules, Journal Year: 2024, Volume and Issue: 25(9), P. 5541 - 5591

Published: Aug. 12, 2024

The future development of wearable/implantable sensing and medical devices relies on substrates with excellent flexibility, stability, biocompatibility, self-powered capabilities. Enhancing the energy efficiency convenience is crucial, converting external mechanical into electrical a promising strategy for long-term advancement. Poly(vinylidene fluoride) (PVDF), known its piezoelectricity, an outstanding representative electroactive polymer. Ingeniously designed PVDF-based polymers have been fabricated as piezoelectric various applications. Notably, performance platforms determined by their structural characteristics at different scales. This Review highlights how researchers can strategically engineer structures microscopic, mesoscopic, macroscopic We discuss advanced research diverse designs in biomedical sensing, disease diagnosis, treatment. Ultimately, we try to give perspectives trends biomedicine, providing valuable insights further research.

Language: Английский

Citations

6
All-polymer piezo-ionic-electric electronics DOI Creative Commons
Tianpei Xu, Long Jin,

Yong Ao

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Dec. 30, 2024

Piezoelectric electronics possess great potential in flexible sensing and energy harvesting applications. However, they suffer from low electromechanical performance all-organic piezoelectric systems due to the disordered weakly-polarized interfaces. Here, we demonstrated an all-polymer piezo-ionic-electric with PVDF/Nafion/PVDF (polyvinylidene difluoride) sandwich structure regularized ion-electron The effect piezoionic mutually couple based on such interfaces, endowing this unique working mechanism. Further, owing massive interfacial accumulation of ion electron charges, obtains a remarkable force-electric coupling enhancement. Experiments show that presents high d

Language: Английский

Citations

6