A novel eco- and user-friendly graphene/leather-based composite for real-time mechano-monitoring of human motion

Qin, Rong; Luo, Xiaomin; Feng, Jianyan; Zhang, Peng; Wang, Wenqi; Duan, Limin; Kong, Hui; Wen, Jinyu; Wang, Xuechuan; Liu, Chunle

doi:10.1016/j.jclepro.2022.133360

Cited by 16 publications

(13 citation statements)

References 47 publications

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“…In contrast to other difficult-to-obtain polymer substrates, leather is an abundant natural material produced through a series of physical and chemical processes on a large scale. Benefiting from its unique hierarchical structure, biocompatibility similar to human skin, excellent mechanical properties, superhydrophobicity, and comfortable breathability, leather has the potential to become an ideal flexible substrate for wearable electronics Figure S1a–d (Supporting Information) shows optical photos of the grain side and corium side of the leather with different magnifications.…”

Section: Resultsmentioning

confidence: 99%

“…Benefiting from its unique hierarchical structure, biocompatibility similar to human skin, excellent mechanical properties, superhydrophobicity, and comfortable breathability, leather has the potential to become an ideal flexible substrate for wearable electronics. 32 Figure S1a−d (Supporting Information) shows optical photos of the grain side and corium side of the leather with different magnifications. The grain side refers to the upper layer of the leather with a shiny texture inherited from the animal skin after dehairing, while the corium side refers to the bottom layer consisting of collagen fiber bundles after tanning.…”

Section: Fabrication and Characterization Of The Mxene/mentioning

confidence: 99%

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Ti₃C₂T_x MXene Nanosheet-Functionalized Leathers for Versatile Wearable Electronics

Zhou,

Chen,

Zhou

et al. 2023

ACS Appl. Nano Mater.

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Flexible and multifunctional wearable electronics have attracted widespread attention. Herein, a flexible and multifunctional wearable MXene/leather fabricated by a simple vacuum filtration process has been reported. The fabricated MXene/leathers retain the unique thinness (∼1 mm) and breathability of the leather, which contributes to its comfort as wearable electronic devices. In addition, benefiting from the high-efficiency three-dimensional conductive network formed by the tight wrapping of collagen fiber bundles by MXene nanosheets inside the leather, MXene/leather exhibited excellent mechanical properties (Young's modulus of 9.64 MPa) and conductivity (24.6 Ω sq −1 ). MXene/leather also has outstanding efficiency in electric-thermal conversion, which can be used as a flexible resistive heater to intelligently regulate the temperature of different parts of the human body at low driven voltages. Moreover, the flexible pressure sensor based on MXene/leather possesses a high sensitivity of 33.58 kPa −1 , which can match the human finger pressure over a wide range without apparent deterioration. The MXene/leather-based pressure sensor can be assembled with a mechanical claw to simulate human skin for tactile recognition of object size and softness in a nondestructive manner. Finally, the MXene/leather-based triboelectric nanogenerator can not only be integrated with alternative current electroluminescence to construct a flexible display system but also monitor the human body's movements to evaluate the health condition by harvesting mechanical energy from body movement. The MXene/leathers proposed have the potential to serve as a new versatile platform for the development of next-generation multifunctional wearable electronics.

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Section: Resultsmentioning

confidence: 99%

Section: Fabrication and Characterization Of The Mxene/mentioning

confidence: 99%

Ti₃C₂T_x MXene Nanosheet-Functionalized Leathers for Versatile Wearable Electronics

Zhou,

Chen,

Zhou

et al. 2023

ACS Appl. Nano Mater.

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“…A variety of flexible sensors based on collagen can be produced with different material forms, such as e-skin, multilayer nanostructures, and conductive foam [13]. These can be achieved by rearranging collagen and combining it with conductive substances, such as carbon nanotubes, interdigital electrodes, silver nanowires [193], and graphene [194]. For example, the e-skin was created by embedding an elastic non-Newtonian gel into the collagen fiber sponge, followed by assembly with an interdigital electrode [195].…”

Section: Smart-healthcare Devicesmentioning

confidence: 99%

Structure, extraction, processing, and applications of collagen as an ideal component for biomaterials - a review

et al. 2023

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Collagen with a multi-hierarchical architecture exhibits powerful biological performance, thus being developed in biomedical applications as a processing building block. The isolated collagen after extraction from biological tissues can be processed into various forms such as fibrils, scaffolds, membranes, microspheres, hydrogels, and sponges for further use in specific applications. This review briefly discusses the multi-hierarchical structure, powerful biological performances, extraction, and processing approaches of collagen as a natural biomaterial. The processing of collagen including dissolution, self-assembly, cross-linking, and electrospinning, is discussed to show more feasibility for specific applications of collagen composite biomaterials. Further emphasis is directed towards the biomedical applications of drug and gene delivery, as well as tissue repair involving bone, cartilage, vascular, and corneal, along with wound healing. Additionally, there is a focus on the development of flexible sensors and electronic skins (e-skins). Furthermore, the potential challenges and perspectives for the development of collagen-based biomaterials are proposed. In short, collagen-based biomaterials are expected to facilitate sustainable development and the next generation of advanced biomaterial applications. Graphical Abstract

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“…15 Compared with commercial polymers, leather has the unique advantages of biocompatibility, breathability, water resistance, and biodegradability. [16][17][18] These advantages make leather a popular substrate in the development of high-performance wearable electronics. For example, Zou et al reported a leather-based eskin by merging the natural sophisticated structure and wearing comfort of leather with the multifunctional properties of nanomaterials, which can be applied in exible pressure sensors, displays, user interactive devices, etc.…”

Section: Introductionmentioning

confidence: 99%

Multi-functional graphene/leather for versatile wearable electronics

Guo

Chen

et al. 2023

J. Mater. Chem. A

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A novel eco- and user-friendly graphene/leather-based composite for real-time mechano-monitoring of human motion

Cited by 16 publications

References 47 publications

Ti₃C₂T_x MXene Nanosheet-Functionalized Leathers for Versatile Wearable Electronics

Ti₃C₂T_x MXene Nanosheet-Functionalized Leathers for Versatile Wearable Electronics

Structure, extraction, processing, and applications of collagen as an ideal component for biomaterials - a review

Multi-functional graphene/leather for versatile wearable electronics

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A novel eco- and user-friendly graphene/leather-based composite for real-time mechano-monitoring of human motion

Cited by 16 publications

References 47 publications

Ti3C2Tx MXene Nanosheet-Functionalized Leathers for Versatile Wearable Electronics

Ti3C2Tx MXene Nanosheet-Functionalized Leathers for Versatile Wearable Electronics

Structure, extraction, processing, and applications of collagen as an ideal component for biomaterials - a review

Multi-functional graphene/leather for versatile wearable electronics

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Product

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Ti₃C₂T_x MXene Nanosheet-Functionalized Leathers for Versatile Wearable Electronics

Ti₃C₂T_x MXene Nanosheet-Functionalized Leathers for Versatile Wearable Electronics