The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.
UV-Driven Reversible Switching of a Roselike Vanadium Oxide Film between Superhydrophobicity and Superhydrophilicity
Abstract
We report the fabrication of a roselike nanostructured vanadium oxide (V 2 O 5 ) film with photoinduced surface wettability switching by carrying out the drop-casting of a suspension of V 2 O 5 particles synthesized with the sol−gel method. Although a pure V 2 O 5 film is slightly hydrophilic, the addition of alkylamine renders the nanostructured V 2 O 5 film superhydrophobic owing to the intercalation of alkyl chains between the V 2 O 5 layers. UV exposure switches the wettability of the V 2 O 5 surface to superhydrophilic with a water contact angle of almost 0°, and storage in the dark reconverts the irradiated surface back to its initial superhydrophobic state. This extraordinary wetting transition is ascribed to the cooperation between the photosensitivity of V 2 O 5 and the surface roughness of its nanostructure, which has submicron- to micron-scale apertures. Our approach provides not only the possibility of producing large homogeneous or patterned surfaces with tunable wettability, but also potential uses in catalysts, electrodes, switchable smart devices, etc., in various fields for future industrial applications.
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Citations
Cites
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Cited by
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Metadata
- Authors
- Lim, H. S., Kwak, D., Lee, D. Y., Lee, S. G., & Cho, K.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-03-15
- Volume
- 129
- Issue
- 14
- Pages
- 4128-4129
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2074316931
- Cited by
- 324
- References
- 16
- FWCI
- 8.91
- Type
- journal article
- Language
- en
- Open access
- closed
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