Customized surface adhesive and wettability properties of conformal electronic devices

Chen, Wenfu; Lin, Junzhu; Ye, Zhicheng; Wang, Xiangyu; Shen, Jie; Wang, Ben

doi:10.1039/d4mh00753k

Mater. Horiz.

2024

DOI: 10.1039/d4mh00753k

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Customized surface adhesive and wettability properties of conformal electronic devices

Wenfu Chen,

Junzhu Lin,

Zhicheng Ye

et al.

Abstract: This review covers advances in conformal electronics surface engineering, focusing on wettability and adhesion to improve adaptability to wet conditions and irregular skin textures, enhancing durability and signal stability.

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Cited by 3 publications

References 184 publications

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Directly Printable and Adhesive Liquid Metal Ink for Wearable Devices

Chen,

Tang,

Zhong

et al. 2024

Adv Funct Materials

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Leveraging the fluidity and excellent conductivity of liquid metal (gallium‐indium alloy), liquid metal (LM) can be utilized to manufacture flexible and stretchable electronic products for applications in soft robotics, wearable devices, and human–machine interaction. However, the high surface tension and low surface adhesion of LM hinder its patterning and high‐resolution fabrication of soft electronics. Here a recyclable LM‐silicon dioxide (LMS) ink is proposed. Under stirring, silicon dioxide (SiO2) particles are encapsulated by the oxide layer of the LM, consuming the oxide layer. Meanwhile, gallium in the LM reacts with oxygen from the air to form a new oxide layer, enhancing the adhesion of the LM to the substrate while maintaining its conductivity. The in‐situ printing of LMS ink is verified on various materials (e.g., paper, polymer, and glass) with a resolution of up to 165 µm and an exceptional conductivity of ≈6.53 × 106 S m−1. The printed patterns can be erased with an anhydrous ethanol solution, allowing the recovered LMS ink to be reused for multiple writing cycles. The general method for direct LM circuits printing can fabricate various wearable sensors for soft electronic devices and human–machine interaction.

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Directly Printable and Adhesive Liquid Metal Ink for Wearable Devices

Chen,

Tang,

Zhong

et al. 2024

Adv Funct Materials

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Recent advances in polymer-based thin-film electrodes for ECoG applications

Xiang,

Yang,

et al. 2025

J. Mater. Chem. B

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Advancements in Smart Wearable Mobility Aids for Visual Impairments: A Bibliometric Narrative Review

Zhang,

Huang,

Ding

et al. 2024

Sensors

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Research into new solutions for wearable assistive devices for the visually impaired is an important area of assistive technology (AT). This plays a crucial role in improving the functionality and independence of the visually impaired, helping them to participate fully in their daily lives and in various community activities. This study presents a bibliometric analysis of the literature published over the last decade on wearable assistive devices for the visually impaired, retrieved from the Web of Science Core Collection (WoSCC) using CiteSpace, to provide an overview of the current state of research, trends, and hotspots in the field. The narrative focuses on prominent innovations in recent years related to wearable assistive devices for the visually impaired based on sensory substitution technology, describing the latest achievements in haptic and auditory feedback devices, the application of smart materials, and the growing concern about the conflicting interests of individuals and societal needs. It also summarises the current opportunities and challenges facing the field and discusses the following insights and trends: (1) optimization of the transmission of haptic and auditory information while multitasking; (2) advance research on smart materials and foster cross-disciplinary collaboration among experts; and (3) balance the interests of individuals and society. Given the two essential directions, the low-cost, stand-alone pursuit of efficiency and the high-cost pursuit of high-quality services that are closely integrated with accessible infrastructure, the latest advances will gradually allow more freedom for ambient assisted living by using robotics and automated machines, while using sensor and human–machine interaction as bridges to promote the synchronization of machine intelligence and human cognition.

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Customized surface adhesive and wettability properties of conformal electronic devices

Abstract: This review covers advances in conformal electronics surface engineering, focusing on wettability and adhesion to improve adaptability to wet conditions and irregular skin textures, enhancing durability and signal stability.

Cited by 3 publications

References 184 publications

Directly Printable and Adhesive Liquid Metal Ink for Wearable Devices

Directly Printable and Adhesive Liquid Metal Ink for Wearable Devices

Recent advances in polymer-based thin-film electrodes for ECoG applications

Advancements in Smart Wearable Mobility Aids for Visual Impairments: A Bibliometric Narrative Review

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