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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Feng, Shile Hou, Yongping Gao, Longcheng Zheng, Yongmei Jiang, Lei Xue, Yan |
| Copyright Year | 2013 |
| Abstract | We report photo-controlled water gathering on bio-inspired fibers. We have designed a bio-inspired fiber using azobenzene (Azo) polymer materials, with roughness and a curvature similar to the spindle-knots of wetted spider silk. We demonstrate that the cooperation between roughness and curvature and the photo-responsive wettability play a key role in water gathering after Vis or UV irradiation, which regulate effectively the separation of water droplets away from the spindle-knots or the coalescence towards the spindle-knots, respectively. This study offers an insight into the design of novel gradient surfaces that may drive tiny droplets to move in as-desired directions, which could potentially be extended to the realms of fluid-control in micro-scale engines, sub-micron masks, heat transfer, water-collecting devices and systems. |
| Starting Page | 9294 |
| Ending Page | 9297 |
| Page Count | 4 |
| File Format | HTM / HTML PDF |
| ISSN | 1744683X |
| Volume Number | 9 |
| Issue Number | 39 |
| Journal | Soft Matter |
| DOI | 10.1039/c3sm51517f |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Wetting Spider silk Spider Polymer FB Vis Curvature Heat transfer Azobenzene |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Condensed Matter Physics |
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