Light Polarization‐Controlled Shape‐Memory Polymer/Gold Nanorod Composite
Abstract
It is demonstrated that light polarization can be used to control photothermal effect-based shape-memory polymers (SMPs). Gold nanorods (AuNRs) are embedded in poly(vinyl alcohol) (PVA) and aligned by stretching the composite film. By changing the polarization direction of the incident laser at 785 nm with respect to the film stretching direction, the magnitude of the longitudinal surface plasmon resonance of AuNRs can be varied continuously, which determines the amount of heat generated upon laser exposure and thus the local temperature rise in the composite relative to the glass transition of the PVA matrix. Consequently, the temporary-to-permanent shape recovery process of the composite can be made to occur to different extents by tuning the polarization of laser while keeping all other conditions unchanged. This finding enhances the toolbox for controlling light-triggered SMPs.
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The shape-memory behavior of PVA/AuNRs material was controlled using the light polarization direction, the time of exposure and the polarization angle.
“The shape-memory behavior of material was easily controlled using the light polarization direction, the time of exposure and the polarization angle (Fig. 11(d)).”
From Shape-memory polymers for multiple applications in the materials world (2016) · cites this paper as [145]
PVA/AuNRs (nanofillers 0.02 wt%) films after stretching above Tg and cooling to ambient temperature had oriented NRs and their light absorption spectrum became light polarization dependent.
“For this purpose PVA/AuNRs (nanofillers of 0.02 wt%) films were stretching above the polymer Tg and cooled to ambient temperature. In reference to this data, the NRs were oriented in the materials and their light absorption spectrum became light polarization dependent.”
From Shape-memory polymers for multiple applications in the materials world (2016) · cites this paper as [145]
Variation of light polarization can be used as an effective way to control the photo-thermal effect.
“Variation of the light polarization can also be used as an effective way to control the photo-thermal effect [145].”
From Shape-memory polymers for multiple applications in the materials world (2016) · cites this paper as [145]
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Shape-memory polymers for multiple applications in the materials world
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- Authors
- Zhang, H., Zhang, J., Tong, X., Ma, D., & Zhao, Y.
- Affiliations
- Université de Sherbrooke (CA)
- Institut National de la Recherche Scientifique (CA)
- Corresponding author
- Ma, Dongling
- Zhao, Yue
- Venue
- Macromolecular Rapid Communications
- Publisher
- Wiley
- Published
- 2013-09-20
- Volume
- 34
- Issue
- 19
- Pages
- 1575-1579
- ISSN
- 1022-1336 (ISSN-L)
- 1521-3927
- OpenAlex
- W2163496805
- Cited by
- 69
- References
- 3
- Citations by year
- 2025: 4 · 2024: 2 · 2023: 2 · 2022: 6 · 2021: 4 · 2020: 8 · 2019: 8 · 2018: 7 · 2017: 7 · 2016: 6 · 2015: 8 · 2014: 7
- FWCI
- 9.28
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Macromolecular Rapid Communications (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Natural Sciences and Engineering Research Council of Canada
- le Fonds de recherce du Québe - Nature et technologies
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
- Physical Sciences › Materials Science › Materials Chemistry › Photochromic and Fluorescence Chemistry
- Keywords
- shape memory polymers, gold nanorods, optical polarization, photothermal effect, polyvinyl alcohol, surface plasmon resonance, nanorod alignment
- MeSH terms
- Gold, Light, Polymers, Polyvinyl Alcohol, Surface Plasmon Resonance, Nanotubes, Transition Temperature
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