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Optically- and Thermally-Responsive Programmable Materials Based on Carbon Nanotube-Hydrogel Polymer Composites
Open accessAbstract
A simple approach is described to fabricate reversible, thermally- and optically responsive actuators utilizing composites of poly(N-isopropylacrylamide) (pNIPAM) loaded with single-walled carbon nanotubes. With nanotube loading at concentrations of 0.75 mg/mL, we demonstrate up to 5 times enhancement to the thermal response time of the nanotube-pNIPAM hydrogel actuators caused by the enhanced mass transport of water molecules. Additionally, we demonstrate the ability to obtain ultrafast near-infrared optical response in nanotube-pNIPAM hydrogels under laser excitation enabled by the strong absorption properties of nanotubes. The work opens the framework to design complex and programmable self-folding materials, such as cubes and flowers, with advanced built-in features, including tunable response time as determined by the nanotube loading.
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Cites
Liquid crystalline elastomers as actuators and sensors
Ohm, C., Brehmer, M., & Zentel, R. (2010) · Advanced Materials · doi:10.1002/adma.200904059 · Cited by 1,169
Recent advances in shape memory polymers and composites: a review
Ratna, D., & Karger-Kocsis, J. (2008) · Journal of Materials Science · doi:10.1007/s10853-007-2176-7 · Cited by 942
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Artificial Muscles: Mechanisms, Applications, and Challenges
Mirvakili, S. M., & Hunter, I. W. (2018) · Advanced Materials · doi:10.1002/adma.201704407 · Cited by 1,077
Han, L., Lu, X., Wang, M., Gan, D., Deng, W., Wang, K., Fang, L., Liu, K., Chan, C. W., Tang, Y., et al. (2017) · Small · doi:10.1002/smll.201601916 · Cited by 699
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Han, B., Zhang, Y., Chen, Q., & Sun, H. (2018) · Advanced Functional Materials · doi:10.1002/adfm.201802235 · Cited by 522
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Ionov, L. (2013) · Advanced Functional Materials · doi:10.1002/adfm.201203692 · Cited by 469
Metadata
- Authors
- Zhang, X., Pint, C. L., Lee, M. H., Schubert, B. E., Jamshidi, A., Takei, K., Ko, H., Gillies, A., Bardhan, R., Urban, J. J., Wu, M., Fearing, R., & Javey, A.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-07-12
- Volume
- 11
- Issue
- 8
- Pages
- 3239-3244
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2024961805
- Cited by
- 529
- References
- 2
- FWCI
- 43.82
- Type
- journal article
- Language
- en
- Open access
- green
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- Zhang, X., Pint, C. L., Lee, M. H., Schubert, B. E., Jamshidi, A., Takei, K., Ko, H., Gillies, A., Bardhan, R., Urban, J. J., Wu, M., Fearing, R., & Javey, A. (2011). Optically- and Thermally-Responsive Programmable Materials Based on Carbon Nanotube-Hydrogel Polymer Composites. Nano Letters. https://doi.org/10.1021/nl201503e
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