A cost-effective, accessible Reduced Graphene Oxide (rGO) multifunctional wearable sensor via transfer printing

Xiaohan Jackie Wu; Simon Ho; HaoTian Harvey Shi

doi:10.1117/12.2664394

18 April 2023 A cost-effective, accessible Reduced Graphene Oxide (rGO) multifunctional wearable sensor via transfer printing

Xiaohan Jackie Wu, Simon Ho, HaoTian Harvey Shi

Author Affiliations +

Proceedings Volume 12485, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2023; 1248507 (2023) https://doi.org/10.1117/12.2664394
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States

Abstract

Tattoo-like sensors represent a class of emerging wearable devices that can be directly applied to flexible and stretchable surfaces, like the human skin, without causing any peeling and dusting. Currently, available tattoo sensors are typically applied through a thin metal coating or conducting particle infiltrated nanofibrous network, which would interfere with the users’ sense of touch. Herein, we report flexible tattoo-like sensor based on laser-induced reduced graphene oxide (rGO) that can be easily transferred printed onto flexible surfaces with minimal sensory interference. Via direct writing, the rGO can be designed with arbitrary shape and geometry on a liquid surface. The rGO can then be transferred conformally onto a flexible surface. This rGO-based wearable sensor is capable of sensing external stimuli, such as applied tactile pressure. The ease of application, the thin form factor, and flexible nature of the rGO-based tattoo sensor ensured device can perform reliably, while providing user comfort and minimal sensory interference.

Conference Presentation

Citation Download Citation

Xiaohan Jackie Wu, Simon Ho, and HaoTian Harvey Shi "A cost-effective, accessible Reduced Graphene Oxide (rGO) multifunctional wearable sensor via transfer printing", Proc. SPIE 12485, Nano-, Bio-, Info-Tech Sensors, and Wearable Systems 2023, 1248507 (18 April 2023); https://doi.org/10.1117/12.2664394

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