Electrothermal Actuators with Ultrafast Response Speed and Large Deformation Article Swipe
Guinan Chen
,
Zhonglin Yang
,
Wenwen Wang
,
Lili Bi
,
Liangjun Chen
,
Yongwu Peng
,
Changhui Ye
·
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.1002/aisy.202000036
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.1002/aisy.202000036
The ability to fabricate electrothermal actuators (ETAs) simultaneously featuring ultrafast response speed (within 0.1 s), large deformation (bending for at least 360°), high figure‐of‐merit (FoM, larger than 0.1%), and low driving voltage (smaller than 1 V) in a single device is extremely important and challenging for their applications in artificial muscles, switches, and microsensors for robotics and biomimetic devices. Herein, an ETA composed of a silver nanowire (AgNW) layer and an ultrathin linear low‐density polyethylene (LLDPE) film with all the aforementioned features is designed. Due to the high conductivity of the AgNW layer and the great difference between the coefficients of thermal expansion of AgNW layer and LLDPE film as well as the huge change in the heat transfer coefficient between flat and rolled ETA, the obtained ETA exhibits an ultrafast response speed of 0.08 s for a bending angle of 360° with a FoM of 0.46% at a low driving voltage of 1 V, over one order of magnitude larger than those of reported ETAs. As a proof‐of‐concept application, the as‐prepared ETAs can be used as intelligent mechanical devices with excellent performance.
Related Topics
Concepts
Materials science
Ultrashort pulse
Bending
Deformation (meteorology)
Linear low-density polyethylene
Actuator
Artificial muscle
Voltage
Optoelectronics
Response time
Layer (electronics)
Nanowire
Composite material
Linear actuator
Figure of merit
Polymer
Optics
Electrical engineering
Computer science
Physics
Engineering
Laser
Computer graphics (images)
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1002/aisy.202000036
- OA Status
- gold
- Cited By
- 29
- References
- 34
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3027378585
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3027378585Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1002/aisy.202000036Digital Object Identifier
- Title
-
Electrothermal Actuators with Ultrafast Response Speed and Large DeformationWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2020Year of publication
- Publication date
-
2020-05-25Full publication date if available
- Authors
-
Guinan Chen, Zhonglin Yang, Wenwen Wang, Lili Bi, Liangjun Chen, Yongwu Peng, Changhui YeList of authors in order
- Landing page
-
https://doi.org/10.1002/aisy.202000036Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://doi.org/10.1002/aisy.202000036Direct OA link when available
- Concepts
-
Materials science, Ultrashort pulse, Bending, Deformation (meteorology), Linear low-density polyethylene, Actuator, Artificial muscle, Voltage, Optoelectronics, Response time, Layer (electronics), Nanowire, Composite material, Linear actuator, Figure of merit, Polymer, Optics, Electrical engineering, Computer science, Physics, Engineering, Laser, Computer graphics (images)Top concepts (fields/topics) attached by OpenAlex
- Cited by
-
29Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 4, 2024: 6, 2023: 7, 2022: 7, 2021: 4Per-year citation counts (last 5 years)
- References (count)
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34Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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