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A Reversibly Switching Surface
Abstract
We report the design of surfaces that exhibit dynamic changes in interfacial properties, such as wettability, in response to an electrical potential. The change in wetting behavior was caused by surface-confined, single-layered molecules undergoing conformational transitions between a hydrophilic and a moderately hydrophobic state. Reversible conformational transitions were confirmed at a molecular level with the use of sum-frequency generation spectroscopy and at a macroscopic level with the use of contact angle measurements. This type of surface design enables amplification of molecular-level conformational transitions to macroscopic changes in surface properties without altering the chemical identity of the surface. Such reversibly switching surfaces may open previously unknown opportunities in interfacial engineering.
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Citations
Cited by
Designing materials for biology and medicine
Langer, R., & Tirrell, D. A. (2004) · Nature · doi:10.1038/nature02388 · Cited by 3,198
Self-citationBanerjee, I., Pangule, R. C., & Kane, R. S. (2011) · Advanced Materials · doi:10.1002/adma.201001215 · Cited by 2,749
Bioinspired Surfaces with Superwettability: New Insight on Theory, Design, and Applications
Wang, S., Liu, K., Yao, X., & Jiang, L. (2015) · Chemical Reviews · doi:10.1021/cr400083y · Cited by 1,646
Inspiration and application in the evolution of biomaterials
Huebsch, N., & Mooney, D. J. (2009) · Nature · doi:10.1038/nature08601 · Cited by 855
Synthetische molekulare Motoren und mechanische Maschinen
Kay, E. R., Leigh, D. A., & Zerbetto, F. (2007) · Angewandte Chemie · doi:10.1002/ange.200504313 · Cited by 624
Metadata
- Authors
- Lahann, J., Mitragotri, S., Tran, T.-N., Kaido, H., Sundaram, J., Choi, I. S., Hoffer, S., Somorjai, G. A., & Langer, R.
- Venue
- Science
- Published
- 2003-01-17
- Volume
- 299
- Issue
- 5605
- Pages
- 371-374
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1966751543
- Cited by
- 1,115
- References
- 0
- FWCI
- 46.60
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lahann, J., Mitragotri, S., Tran, T.-N., Kaido, H., Sundaram, J., Choi, I. S., Hoffer, S., Somorjai, G. A., & Langer, R. (2003). A Reversibly Switching Surface. Science. https://doi.org/10.1126/science.1078933
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
