Triboelectric effect of surface morphology controlled laser induced graphene

Choi, Kwang‐Hun; Park, Seoungwoong; Hyeong, Seok‐Ki; Bae, Sukang; Hong, Jae Min; Kim, Tae-Wook; Lee, Sang Hyun; Ryu, Seongwoo; Lee, Seoung‐Ki

doi:10.1039/d0ta05806h

Cited by 40 publications

(26 citation statements)

References 63 publications

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“…Moreover, the surface engineering also distinctly enhances the durability of graphene electrodes, which plays a critical role for practical application. Choi et al 150 reported the triboelectrification characteristics of LIG in terms of the porous to fibrous structural morphology with the TENGs concept. They fabricated a general porous structured Laser Induced Graphene (denoted as LIG) TENGs with power density 3.9 mW m −2 .…”

Section: Graphene As Triboelectric Materials For Tengsmentioning

confidence: 99%

A review on applications of graphene in triboelectric nanogenerators

Hatta

Haniff

Mohamed

2021

Intl J of Energy Research

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Summary Nanogenerators is the growing technology that facilitates self‐powered systems, sensors, and flexible and portable electronics in the thriving era of internet of things (IoT). Since the first invention of the triboelectric nanogenerators (TENGs) in 2012, it has become one of the most important inventions in energy harvesting technologies. In this paper, a brief review on the recent progress of energy harvesting research based on TENGs technology is discussed. Basic working modes of the TENG are discussed in detail and the general procedure to synthesize, measure, and characterize a nanogenerator is presented in a direct structure. The triboelectric material choices are extremely important for TENGs since the triboelectric effects of the materials are fundamental for TENGs. The materials used as triboelectric layers are varied from polymers, metals, and inorganic materials with the commonly used materials are dielectric polymers such as PTFE, PVDF, PDMS, nylon, and Kapton. Recently, two‐dimensional (2D) materials have been widely reported as candidate materials for TENGs. Graphene, the most attractive 2D materials exhibits an excellent electrical property, great flexibility, and a high surface‐to‐volume ratio. Owing to the very low thickness of the atomic unit, a stacking graphene structure can be also made to form a very thin and miniature TENGs device. The major applications of the graphene as active materials for TENGs as a sustainable energy harvester are presented, following which structural designs and materials optimization for output performance improvement of the graphene‐based TENGs are summarized. Finally, the future directions and perspectives of the graphene‐based TENGs are outlined. The graphene‐based TENGs is not only a sustainable micro‐power source for small devices, but also serves as a potential macro‐scale generator of power from blue energy in the future.

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Section: Graphene As Triboelectric Materials For Tengsmentioning

confidence: 99%

A review on applications of graphene in triboelectric nanogenerators

Hatta

Haniff

Mohamed

2021

Intl J of Energy Research

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Section: Interfacial Structuresmentioning

confidence: 99%

“…Furthermore, the output performance of TENG with a nanometer‐scale surface could be multiplied by introducing the gear‐like structure 123b . Surface etching such as laser surface patterning and water electrospray etching was proven to be an effective method to fabricate micro/nanostructured surfaces 14b,124 14D).…”

Section: Interfacial Structuresmentioning

confidence: 99%

“…However, this classification is too rough to help us understand the principles and mechanism about how to promote the performance of TENG devices via interface design. Especially, various TENG devices can deliver different performances at distinct interfaces, even when the same dielectric materials and work modes are used 14 . Furthermore, many studies have revealed that the interface structures are of vital importance in the TENG devices' performance via the variable parameters of interface structures, such as the contact area, friction, and charge density 15 .…”

Section: Introductionmentioning

confidence: 99%

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Interfacial structure design for triboelectric nanogenerators

Sun

Wang

et al. 2022

Battery Energy

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Since the emergence of triboelectric nanogenerators (TENGs), new strategies, materials, and applications have been rapidly developed in the past few years to realize the efficient utilization of mechanical energy from the environment.In the pursuit of high performance, long-term stability, and adaption in a comprehensive situation, it is necessary to fully understand the triboelectric effect and its related parameters by analyzing real-time working status of TENG devices. This review focuses on the interface structures in TENG

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“…In this regard, the electrostatic induction of materials by the external triboelectric effect has been actively studied to develop various energy generators and self-powered devices that have a simple structure, allow for facile fabrication, and are lightweight. 11–13 The fabrication of self-powered touch-free sensors (TFSs), which exploit the coupling characteristics between electrostatic induction and triboelectricity, largely relies on materials with a high dielectric constant because of the large spatial displacement between positive and negative charges on the surface. 14–16 Recent efforts led to the development of self-powered TFSs fabricated with an organic polymer.…”

Section: Introductionmentioning

confidence: 99%