Cited by 395Advanced Sensor and Energy Harvesting MaterialsZnO doping and propertiesNanomaterials and Printing Technologies

The DOI matches its Crossref record; 66 of the 66 references it cites were found in a registry or an index.

Bioinspired Interlocked and Hierarchical Design of ZnO Nanowire Arrays for Static and Dynamic Pressure‐Sensitive Electronic Skins

Abstract

The development of electronic skin (e‐skin) is of great importance in human‐like robotics, healthcare, wearable electronics, and medical applications. In this paper, a bioinspired e‐skin design of hierarchical micro‐ and nano‐structured ZnO nanowire (NW) arrays in an interlocked geometry is suggested for the sensitive detection of both static and dynamic tactile stimuli through piezoresistive and piezoelectric transduction modes, respectively. The interlocked hierarchical structures enable a stress‐sensitive variation in the contact area between the interlocked ZnO NWs and also the efficient bending of ZnO NWs, which allow the sensitive detection of both static and dynamic tactile stimuli. The flexible e‐skin in a piezoresistive mode shows a high pressure sensitivity (−6.8 kPa −1 ) and an ultrafast response time (<5 ms), which enables the detection of minute static pressure (0.6 Pa), vibration level (0.1 m s −2 ), and sound pressure (≈57 dB). The flexible e‐skin in a piezoelectric mode is also demonstrated to be able to detect fast dynamic stimuli such as high frequency vibrations (≈250 Hz). The flexible e‐skins with both piezoresistive and piezoelectric sensing capabilities may find applications requiring both static and dynamic tactile perceptions such as robotic hands for dexterous manipulations and various healthcare monitoring devices.

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Crossref · 10.1002/adfm.201500453

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Research works printed but not linked: 6

  1. Kim J., 2014, Nat. Commun., 5, 11
  2. Vallbo A. B., 1978, Active Touch, the Mechanism of Recognition of Objects by Manipulation
  3. D. G.Caldwell N.Tsagarakis A.Wardle presented atIEEE Int. Conf. Robot. Albuquerque New Mexico1997.
  4. Wu Y. Y., 2002, Chem. Eur. J., 8, 1261
  5. El Abdi R., 2008, Int. J. Syst. Appl., Eng. Dev., 2, 75
  6. 10.1021/nn4063616 · DOI

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Metadata

Authors
Ha, M., Lim, S., Park, J., Um, D., Lee, Y., & Ko, H.
Affiliations
Ulsan Metropolitan City (KR)
Corresponding author
Ko, Hyunhyub
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2015-04-07
Volume
25
Issue
19
Pages
2841-2849
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2066851141
Cited by
395
References
66
Citations by year
2026: 15 · 2025: 31 · 2024: 36 · 2023: 33 · 2022: 43 · 2021: 50 · 2020: 45 · 2019: 50 · 2018: 37 · 2017: 27 · 2016: 24 · 2015: 4
FWCI
15.24
Type
journal article
Language
en
Open access
closed
Locations
  • Advanced Functional Materials (publishedVersion)
  • Scholarworks@UNIST (Ulsan National Institute of Science and Technology) (submittedVersion)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
  • Physical Sciences › Materials Science › Materials Chemistry › ZnO doping and properties
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Nanomaterials and Printing Technologies
Keywords
electronic skin, ZnO nanowire arrays, biomimetic design, piezoresistive sensing, piezoelectric sensing, pressure sensing, tactile sensing, vibration sensing, flexible electronics, wearable electronics, robotic hand

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