Cited by 68Advanced Materials and MechanicsPolymer composites and self-healingDielectric materials and actuators

Sequential Actuation of Shape-Memory Polymers through Wavelength-Selective Photothermal Heating of Gold Nanospheres and Nanorods

Mishra, Sumeet R., Tracy, Joseph B.·2018·ACS Applied Nano Materials

Abstract

Photothermal triggering of shape-memory polymers is an appealing noncontact mode of actuation for responsive materials and soft robotics. Wavelength-selective photothermal triggering of shape recovery is reported in thermoplastic polyurethane shape-memory polymers with embedded gold (Au) nanospheres and nanorods. Light-emitting diodes with wavelengths of 530 and 860 nm matched to the surface plasmon resonances drive selective shape recovery. Wavelength-selective shape recovery enables sequential actuation, as demonstrated in a wavelength-controlled stage with optically controlled height and tilt angle using legs of shape-memory-polymer films with embedded Au nanospheres and nanorods.

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Registry

Crossref · 10.1021/acsanm.8b00394

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45 of 45 references verified0 citation errors · 0 not checkable

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Authors
Mishra, S. R., & Tracy, J. B.
Affiliations
North Carolina State University (US)
Corresponding author
Tracy, Joseph B.
Venue
ACS Applied Nano Materials
Published
2018-06-15
Volume
1
Issue
7
Pages
3063-3067
ISSN
2574-0970 (ISSN-L)
OpenAlex
W2808148903
Cited by
68
References
45
Citations by year
2026: 5 · 2025: 10 · 2024: 13 · 2023: 6 · 2022: 4 · 2021: 7 · 2020: 13 · 2019: 8 · 2018: 2
FWCI
4.79
Type
journal article
Language
en
Open access
closed
Locations
ACS Applied Nano Materials (publishedVersion)
Funders
Division of Materials Research (1121107, 1056653)
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
  • Physical Sciences › Engineering › Biomedical Engineering › Dielectric materials and actuators
Keywords
shape memory polymers, photothermal actuation, gold nanospheres, gold nanorods, surface plasmon resonance, thermoplastic polyurethane, soft robotics, shape recovery

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