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The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

All MoS2-Based Large Area, Skin-Attachable Active-Matrix Tactile Sensor

Park, Yong Ju, Sharma, Bhupendra K., Shinde, Sachin M., Kim, Min-Seok, Jang, Bongkyun, Kim, Jae-Hyun, Ahn, Jong-Hyun·2019·ACS Nano

Abstract

Large-area, ultrathin flexible tactile sensors with conformal adherence are becoming crucial for advances in wearable electronics, electronic skins and biorobotics. However, normal passive tactile sensors suffer from high crosstalk, resulting in inaccurate sensing, which consequently limits their use in such advanced applications. Active-matrix-driven tactile sensors could potentially overcome such hurdles, but it demands the high performance and reliable operations of the thin-film-transistor array that could efficiently control integrated pressure gauges. Herein, we utilized the benefit of the semiconducting and mechanical excellence of MoS 2 and placed it between high- k Al 2 O 3 dielectric sandwich layers to achieve the high and reliable performance of MoS 2 -based back-plane circuitry and strain sensor. This strategical combination reduces the fabrication complexity and enables the demonstration of an all MoS 2 -based large area (8 × 8 array) active-matrix tactile sensor offering a wide sensing range (1–120 kPa), sensitivity value (Δ R / R 0: 0.011 kPa –1 ), and a response time (180 ms) with excellent linearity. In addition, it showed potential in sensing multitouch accurately, tracking a stylus trajectory, and detecting the shape of an external object by grasping it using the palm of the human hand.

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Crossref · 10.1021/acsnano.8b07995

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Metadata

Authors
Park, Y. J., Sharma, B. K., Shinde, S. M., Kim, M.-S., Jang, B., Kim, J.-H., & Ahn, J.-H.
Venue
ACS Nano
Published
2019-02-15
Volume
13
Issue
3
Pages
3023-3030
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W2911702109
Cited by
259
References
8
FWCI
10.03
Type
journal article
Language
en
Open access
closed

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