A novel post-processed surface modified double-network polymer layer for a triboelectric nanogenerator

Liu, Yaqian; Wang, Xiumei; Yan, Yujie; Rao, Zhichao; Chen, Huipeng; Guo, Tao

doi:10.1039/d0ta01070g

Cited by 30 publications

(17 citation statements)

References 56 publications

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“…The DN elastomer by the 3D printing technology can be used to fabricate various microfluidic devices with good bending resistance, which can withstand 2.5-folds of an atmosphere pressure, greatly expanding the application prospect of PDMS (Figure 13c). Chen et al [118] infiltrate polymerizable monomer molecules into pure PDMS films, and then initiate UV cross-linking to form a DN friction layer. Such a DN design increases the surface charge density, open voltage, and output power of the resulting triboelectric nanogenerator, and prevents the infiltration of oxygen.…”

Section: Functionalization and Applicationsmentioning

confidence: 99%

“…Chen et al. [ 118 ] infiltrate polymerizable monomer molecules into pure PDMS films, and then initiate UV cross‐linking to form a DN friction layer. Such a DN design increases the surface charge density, open voltage, and output power of the resulting triboelectric nanogenerator, and prevents the infiltration of oxygen.…”

Section: Functionalization and Applicationsmentioning

confidence: 99%

mentioning

confidence: 99%

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Recent Progress in Double Network Elastomers: One Plus One is Greater Than Two

Yang

Tang

et al. 2022

Adv Funct Materials

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Human beings cannot live without elastomers, which exist almost everywhere in human life nowadays. Although elastomers with a variety of features are developed for specific applications, a timeless topic is how to toughen them, because mechanical properties always determine the reliability and lifespan of the utilized elastomers. Toughening of a soft material has a long history and the main idea is widely accepted, i.e., building energy dissipation into the stretchy networks. Double network (DN) method is the most pioneering and representative practice of materials toughening, which is successfully applied to numerous hydrogel systems. Intensive studies on DN hydrogel systems are implemented and relevant reviews are well documented, whereas important reviews about DN elastomers are absent. In this review, recent progress on toughening elastomers using the DN strategy is reviewed. By reviewing the fabrication methods and relevant extensions, toughening mechanisms at different length scales, functionalities, and applications in sequence, it is shown how one polymer network plus another gives rise to a tough elastomer with superior mechanical properties. It is believed that this review can give some insight into existing DN elastomer systems and inspire the development of next‐generation tough soft materials.

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Section: Functionalization and Applicationsmentioning

confidence: 99%

Section: Functionalization and Applicationsmentioning

confidence: 99%

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Recent Progress in Double Network Elastomers: One Plus One is Greater Than Two

Yang

Tang

et al. 2022

Adv Funct Materials

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“…[81] As a comparison, chemical modification strategies such as fluorinated surfaces, nanoparticle filling, and chemical functionalization have been developed to fabricate triboelectric surfaces with various distinctive properties, thus achieving improved output performance and multifunction. Liu et al [82] reported a novel PDMS triboelectric material with micro-patterned dual network structure and high controllability. Figure 2b shows the device structure of this novel TENG, with significantly improved output performance compared to the device before improvement.…”

Section: Interfacial Chemical Modificationmentioning

confidence: 99%

“…Liu et al. [ 82 ] reported a novel PDMS triboelectric material with micro‐patterned dual network structure and high controllability. Figure 2b shows the device structure of this novel TENG, with significantly improved output performance compared to the device before improvement.…”

Section: Design and Optimization Of Triboelectric Interfacementioning

confidence: 99%

From Triboelectric Nanogenerator to Multifunctional Triboelectric Sensors: A Chemical Perspective toward the Interface Optimization and Device Integration

Xiang

Huang

Wang

et al. 2022

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Figure 2. a) Scheme of interface modified liquid doping PDMS composite. Reproduced with permission. [59] Copyright 2020, Elsevier. b) Schematic illustration for preparing the controllable micro-patterned DN-PDMS film and Device structure of the micro-patterned DN-PDMS TENG. Reproduced with permission. [82] Copyright 2020, Royal Society of Chemistry. c) Schematic diagram of NB treatment process and TENG, and triboelectric performance of the NB-treated TENG. Reproduced with permission. [4] Copyright 2019, Royal Society of Chemistry. d) Scheme of functional high permittivity liquid doping PDMS composite and fabrication of high permittivity liquid doping PDMS composite and fluorine functionalization. Reproduced with permission. [86]

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Fluorinated Covalent Organic Framework as a Positive Tribo‐Material for High‐Performance Triboelectric Nanogenerators

Shi

Kale

Tian

et al. 2023

Adv Funct Materials

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Along with the increasingly wide application of intelligent electronics, triboelectric nanogenerator (TENG), as a promising sustainable micro-power source has attracted considerable attention recently. However, most of the reported research focuses on negative triboelectric materials, while research on alternative positive tribo-layers is still limited. In this study, a new highly fluorinated covalent organic framework (COF) Tp-TFAB is successfully synthesized and utilized as positive triboelectric materials for high-performance TENGs. Unusually, compared with the non-fluorinated Tp-TAPB COF, both the pristine Tp-TFAB COF and corresponding hybrid films with polyvinyl alcohol (PVA) based TENGs demonstrate much higher triboelectric performance. Especially, a PVC-PVA/FTC TENG composed of polyvinyl chloride (PVC) and hybrid PVA/Tp-TFAB (PVA/FTC) films reveal much superior triboelectric performance with a short-circuit current density of 26.34 mA m −2 , a transferred charge density of 148.5 µC m −2 , and a maximum peak power density of 8.24 W m −2 , nearly six times higher than that of the PVC-PVA TENG. Detailed investigations revealed that the fluorinated Tp-TFAB COF has enhanced electron donating ability, which significantly boosts the triboelectric output of TENGs. This study provides an effective strategy of chemically designing and synthesizing new alternative triboelectric materials, which will pave the way to significantly enhance the triboelectric performance of TENGs.

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A novel post-processed surface modified double-network polymer layer for a triboelectric nanogenerator

Abstract: A high output performance triboelectric nanogenerator with a novel low-cost, rapidly yielding, post-processed micro-patterned double-network PDMS film.

Cited by 30 publications

References 56 publications

Recent Progress in Double Network Elastomers: One Plus One is Greater Than Two

Recent Progress in Double Network Elastomers: One Plus One is Greater Than Two

From Triboelectric Nanogenerator to Multifunctional Triboelectric Sensors: A Chemical Perspective toward the Interface Optimization and Device Integration

Fluorinated Covalent Organic Framework as a Positive Tribo‐Material for High‐Performance Triboelectric Nanogenerators

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