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An ultra-sensitive resistive pressure sensor based on hollow-sphere microstructure induced elasticity in conducting polymer film
Open accessAbstract
Pressure sensing is an important function of electronic skin devices. The development of pressure sensors that can mimic and surpass the subtle pressure sensing properties of natural skin requires the rational design of materials and devices. Here we present an ultra-sensitive resistive pressure sensor based on an elastic, microstructured conducting polymer thin film. The elastic microstructured film is prepared from a polypyrrole hydrogel using a multiphase reaction that produced a hollow-sphere microstructure that endows polypyrrole with structure-derived elasticity and a low effective elastic modulus. The contact area between the microstructured thin film and the electrodes increases with the application of pressure, enabling the device to detect low pressures with ultra-high sensitivity. Our pressure sensor based on an elastic microstructured thin film enables the detection of pressures of less than 1Pa and exhibits a short response time, good reproducibility, excellent cycling stability and temperature-stable sensing.
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“Due to its simple mechanism and convenient data collection strategy, resistive pressure sensing has been extensively applied using various recording mechanisms.[111]”
From Flexible Electronics and Devices as Human–Machine Interfaces for Medical Robotics (2022) · cites this paper as [111]
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Metadata
- Authors
- Pan, L., Chortos, A., Yu, G., Wang, Y., Isaacson, S., Allen, R., Shi, Y., Dauskardt, R., & Bao, Z.
- Affiliations
- Nanjing University (CN)
- Stanford University (US)
- The University of Texas at Austin (US)
- Corresponding author
- Bao, Zhenan
- Venue
- Nature Communications
- Published
- 2014-01-06
- Volume
- 5
- Issue
- 1
- Pages
- 3002-3002
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2076131235
- Cited by
- 1,519
- References
- 60
- Citations by year
- 2026: 52 · 2025: 90 · 2024: 111 · 2023: 127 · 2022: 156 · 2021: 153 · 2020: 174 · 2019: 172 · 2018: 212 · 2017: 110 · 2016: 90 · 2015: 54 · 2014: 18
- FWCI
- 47.04
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Nature Communications (publishedVersion)
- PubMed (publishedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- Funders
- National Science Foundation (1101901)
- National Natural Science Foundation of China (60990314, 61076017, 61229401)
- LG Display
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Program for New Century Excellent Talents in University
- Fundamental Research Funds for the Central Universities
- Division of Electrical, Communications and Cyber Systems
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
- Physical Sciences › Materials Science › Polymers and Plastics › Conducting polymers and applications
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Nanomaterials and Printing Technologies
- Keywords
- resistive pressure sensors, conducting polymer thin films, low elastic modulus, electronic skin, artificial skin, piezoresistive sensing, multiphase reactions, contact area
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