Polymers with Dual Light-Triggered Functions of Shape Memory and Healing Using Gold Nanoparticles
Abstract
Shape-memory and stimuli-healable polymers (SMP and SHP) are two types of emerging smart materials. Among the many stimuli that can be used to control SMP and SHP, light is unique because of its unparalleled remote activation and spatial control. Generally, light-triggered shape memory and optically healable polymers are different polymers and it is challenging to endow the same polymer with the two light-triggered functions because of their structural incompatibility. In this paper, we describe a general polymer design that allows a single material to exhibit both light-controlled shape memory and optical healing capabilities. We show that by chemically cross-linking a crystalline polymer and loading it with a small amount of gold nanoparticles (AuNPs), the polymer displays optically controllable shape memory and fast optical healing based on the same localized heating effect arising from the surface plasmon resonance of AuNPs. The photothermal effect controls, on the one hand, the shape memory process by tuning the temperature with respect to Tm of the crystalline phase and, on the other hand, activates the damage healing through crystal melting and recrystallization. Moreover, we show that these two features can be triggered separately in a sequential manner.
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The obtained Au NP/PEO materials were characterized by mechanical properties close to those of the same material before cracking.
“Even more, the obtained materials were characterized by mechanical properties close to these of the same material before cracking.”
From Shape-memory polymers for multiple applications in the materials world (2016) · cites this paper as [140]
Au NPs can be used not only for observation of optically controllable SME but also to confer self-healing properties to polymer materials.
“In 2013, Zhang et al. demonstrated that Au NPs can be used not only for the observation of optically controllable SME but also to confer self-healing properties (SHP) to the polymer materials [140].”
From Shape-memory polymers for multiple applications in the materials world (2016) · cites this paper as [140]
Incorporation of a small amount of PEG-functionalized Au NPs (0.003 wt%) to cross-linked PEO films was sufficient to confer photo-thermally induced healable and SME properties to the films.
“The incorporation of small amount of poly(ethylene glycol)methyl ether functionalized Au NPs (0.003 wt%) to cross-linked poly (ethylene oxide) (PEO) films was sufficient to confer such properties to the films.”
From Shape-memory polymers for multiple applications in the materials world (2016) · cites this paper as [140]
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- Authors
- Zhang, H., & Zhao, Y.
- Affiliations
- Université de Sherbrooke (CA)
- Corresponding author
- Zhao, Yue
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-12-11
- Volume
- 5
- Issue
- 24
- Pages
- 13069-13075
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2312868600
- Cited by
- 217
- References
- 4
- Citations by year
- 2026: 6 · 2025: 11 · 2024: 17 · 2023: 11 · 2022: 20 · 2021: 19 · 2020: 20 · 2019: 33 · 2018: 21 · 2017: 15 · 2016: 17 · 2015: 16 · 2014: 11
- FWCI
- 10.60
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- ACS Applied Materials & Interfaces (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
- Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
- Keywords
- shape memory polymers, gold nanoparticles, surface plasmon resonance, photothermal effect, shape memory effect, crystalline polymers, crosslinking, smart materials, remote activation
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