A hybrid bioinspired fiber trichome with special wettability for water collection, friction reduction and self-cleaning.

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ID: 26328
2019
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Abstract
Inspired by biological surfaces, we designed a magnetic fiber trichome based on the surface properties of caterpillars and earthworms. The caterpillar-inspired fiber trichome possesses a cooperative superhydrophilic-superhydrophobic-slippery lubricant-infused porous surface with gradient wettability and shows excellent fog harvesting behavior due to the driving force of the gradient wettability fiber similar to caterpillar spines. The earthworm-inspired fiber trichome exhibits excellent friction reduction and antiwear properties under harsh oil-bathed friction conditions, and it moves rapidly in mud under magnetic stimulation because of the self-lubricating transfer film formed between friction contact surfaces. In addition, the earthworm-inspired fiber trichome also has continuous antifouling capacity in mud due to the self-releasing lubricating layer that can be replenished after being consumed under solid friction. Therefore, the caterpillar- and earthworm-inspired fiber trichomes extend the scope of potential applications, such as self-driven water collection, self-floating oil spill cleanup, reducing friction and wear resistance, high-efficiency antifouling, and transport of heavy loads, among others.
Reference Key
li2019ananoscale Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Li, Deke;Wang, Zhentao;Wu, Daheng;Han, Guocai;Guo, Zhiguang;
Journal Nanoscale
Year 2019
DOI
10.1039/c9nr03882e
URL
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