ACS Nano
ACS Nano
5 years ago

Graphene-Based Three-Dimensional Capacitive Touch Sensor for Wearable Electronics

Graphene-Based Three-Dimensional Capacitive Touch Sensor for Wearable Electronics
Youngcheol Chae, Minpyo Kang, Bongkyun Jang, Jae-Hyun Kim, Jejung Kim, Jong-Hyun Ahn
The development of input device technology in a conformal and stretchable format is important for the advancement of various wearable electronics. Herein, we report a capacitive touch sensor with good sensing capabilities in both contact and noncontact modes, enabled by the use of graphene and a thin device geometry. This device can be integrated with highly deformable areas of the human body, such as the forearms and palms. This touch sensor detects multiple touch signals in acute recordings and recognizes the distance and shape of the approaching objects before direct contact is made. This technology offers a convenient and immersive human–machine interface and additional potential utility as a multifunctional sensor for emerging wearable electronics and robotics.

Publisher URL: http://dx.doi.org/10.1021/acsnano.7b02474

DOI: 10.1021/acsnano.7b02474

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