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http://hdl.handle.net/10397/87793
Title: | Bioinspired superhydrophobic surface constructed from hydrophilic building blocks : a case study of core-shell polypyrrole-coated copper nanoneedles | Authors: | Liu, Y Wang, B Wang, YF Chen, JR Cui, B Yin, PF Chen, JM Zhang, XY Zhang, L Xin, JH |
Issue Date: | Apr-2020 | Source: | Coatings, Apr. 2020, v. 10, no. 4, 347, p. 1-11 | 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. | Keywords: | Bioinspired Superhydrophobic surface Hydrophilic Polypyrrole Copper Nanoneedle |
Publisher: | MDPI | Journal: | Coatings | EISSN: | 2079-6412 | DOI: | 10.3390/coatings10040347 | Rights: | © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). The following publication Liu, Y.; Wang, B.; Wang, Y.; Chen, J.; Cui, B.; Yin, P.; Chen, J.; Zhang, X.; Zhang, L.; Xin, J.H. Bioinspired Superhydrophobic Surface Constructed from Hydrophilic Building Blocks: A Case Study of Core–Shell Polypyrrole-Coated Copper Nanoneedles. Coatings 2020, 10, 347 is available at https://dx.doi.org/10.3390/coatings10040347 |
Appears in Collections: | Journal/Magazine Article |
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