Bioinspired Superhydrophobic Surface Constructed from Hydrophilic Building Blocks: A Case Study of Core–Shell Polypyrrole-Coated Copper Nanoneedles
Source abstract
Abstract
Hydrophilic polypyrrole-coated copper nanoneedles (PPy-CuNDs) were synthesized and utilized to construct a superhydrophobic surface on a polyethylene terephthalate fabric (PET) by using the spray-coating technique. The morphology of the as-synthesized PPy-CuNDs can be facilely tuned by changing the concentration of the reducing agent: hydrazine monohydrate. The CuNDs with well-defined nanocrystalline structures and nanoscale thick, rough PPy coating layers were formed simultaneously in one pot. The PPy-CuNDs self-assembled into an entangled, stacking nanocarpet on the surface of the PET fabric, and they eventually formed a reentrant surface texture similar to that of chrysanthemum leaves. The PPy-CuND-PET surface initially showed good superhydrophobic properties, but a fast transition from the superhydrophobic state to the highly adhesive state was observed. The underlying mechanism of this transition and its potential applications were proposed in the context.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Surface Modification and Superhydrophobicity · Advanced Sensor and Energy Harvesting Materials · Electrospun Nanofibers in Biomedical Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, China
Institute of Textiles and Clothing, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong 999077, China
College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
Department of Mechanical and Automation Engineering, Chinese University of Hong Kong, Hong Kong 999077, China
Department of Chemical Engineering, Auburn University, Auburn, AL 36849, USA
Funding
National Natural Science Foundation of China · China Postdoctoral Science Foundation
References (23)
Show source-provided references
1. Superhydrophobic surface with lotus/petal effect and its improvement on fatigue resistance of heat-resistant steel10.1016/j.porgcoat.2019.105315 ↗
2. Natural insect and plant micro-/nanostructured surfaces: An excellent selection of valuable templates with superhydrophobic and self-cleaning properties10.3390/molecules190913614 ↗
3. Superhydrophobic coatings on cellulose-based materials: Fabrication, properties, and applications10.1002/admi.201300026 ↗
4. Superhydrophobicity in perfection: The outstanding properties of the lotus leaf10.3762/bjnano.2.19 ↗
5. Superhydrophobic carbon nanotube forests10.1021/nl034704t ↗
6. Robust omniphobic surfaces10.1073/pnas.0804872105 ↗
7. Bioinspired self-repairing slippery surfaces with pressure-stable omniphobicity10.1038/nature10447 ↗
8. Rodic, P., Kapun, B., Panjan, M., and Milosev, I. (2020). Easy and fast fabrication of self-cleaning and anti-icing perfluoroalkyl silane film on aluminium. Coatings, 10.10.3390/coatings10030234 ↗
9. Fluoride distribution and contamination in the water, soil and plants continuum and its remedial technologies, an Indian perspective—A review10.1016/j.envpol.2018.04.002 ↗
10. Stereolithography of perfluoropolyethers for the microfabrication of robust omniphobis surfaces10.1016/j.apsusc.2017.01.208 ↗
11. Combining stereolithography and replica molding: On the way to superhydrophobic polymeric devices for photovoltaics10.1016/j.matdes.2017.07.068 ↗
12. Turning a surface superrepellent even to completely wetting liquids10.1126/science.1254787 ↗
13. Fabrication of hierarchical ZnO architectures and their superhydrophobic surfaces with strong adhesive force10.1021/ic7021598 ↗
14. Roughness controlled superhydrophobicity on single nanometer length scale with metal nanoparticles10.1039/C5RA02348C ↗
15. Controllable wettability of micro- and nano-dendritic structures formed on aluminum substrates10.1039/C5NJ00651A ↗
16. Bioinspired, stimuli-responsive, multifunctional superhydrophobic surface with directional wetting, adhesion, and transport of water10.1002/adfm.201501705 ↗
17. Facile synthesis of polypyrrole coated copper nanowires: A new concept to engineered core-shell structures10.1039/c2cc16961d ↗
18. Designing superoleophobic surfaces10.1126/science.1148326 ↗
19. The retention of aqueous suspensions on leaf surfaces10.1111/j.2042-7158.1962.tb11164.x ↗
20. Hydrophobic protein-polypyrrole interactions: The role of van der Waals and Lewis acid-base forces as determined by contact angle measurements10.1021/la010444o ↗
21. Application of superhydrophobic surface with high adhesive force in no lost transport of superparamagnetic microdroplet10.1021/ja065537c ↗
22. Controlling the adhesion of superhydrophobic surfaces using electrolyte jet machining techniques10.1038/srep23985 ↗
23. Robust raspberry-like all-polymer particles for the construction of superhydrophobic surface with high water adhesive force10.1007/s10853-018-2940-x ↗