A candle soot based multi-layer superhydrophobic coating with anti-condensation and anti-biofouling properties

IF 5.3 2区材料科学 Q1 MATERIALS SCIENCE, COATINGS & FILMS

Surface & Coatings Technology Pub Date : 2025-03-03 DOI:10.1016/j.surfcoat.2025.132000

Xinghua Wu , Jiaxing Tang , Zhanlang Ye , Zhenghui He , Junxi Liang , Rui Yan , Jun Hu , Shunli Zheng

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引用次数: 0

Abstract

In this study, we demonstrated a multi-layer fluorine-free superhydrophobic coating with anti-condensation and anti-biofouling properties. Polyethylene terephthalate was introduced to fix the candle soot layers. The coating exhibits exceptional superhydrophobicity due to the formation of nanocarbon chains resulting from incomplete combustion of the candle. The obtained superhydrophobic coatings exhibited enhanced anti-condensation and anti-algae properties. The coatings presented suppressed the nucleation and growth of condensates at a subcooled temperature of 8 °C. To examine the anti-biofouling property of the surface, the as-prepared samples were submerged in impurity water for 7 days. The Scenedesmus obliquus failed to adhere and proliferate on the coating surface during the 7-day continuous immersion. The developed coating holds promise to provide a low cost, high-throughput, faster way to develop function coatings for industry applications.

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来源期刊

Surface & Coatings Technology 工程技术-材料科学：膜

CiteScore

10.00

自引率

11.10%

发文量

921

审稿时长

19 days

期刊介绍： Surface and Coatings Technology is an international archival journal publishing scientific papers on significant developments in surface and interface engineering to modify and improve the surface properties of materials for protection in demanding contact conditions or aggressive environments, or for enhanced functional performance. Contributions range from original scientific articles concerned with fundamental and applied aspects of research or direct applications of metallic, inorganic, organic and composite coatings, to invited reviews of current technology in specific areas. Papers submitted to this journal are expected to be in line with the following aspects in processes, and properties/performance: A. Processes: Physical and chemical vapour deposition techniques, thermal and plasma spraying, surface modification by directed energy techniques such as ion, electron and laser beams, thermo-chemical treatment, wet chemical and electrochemical processes such as plating, sol-gel coating, anodization, plasma electrolytic oxidation, etc., but excluding painting. B. Properties/performance: friction performance, wear resistance (e.g., abrasion, erosion, fretting, etc), corrosion and oxidation resistance, thermal protection, diffusion resistance, hydrophilicity/hydrophobicity, and properties relevant to smart materials behaviour and enhanced multifunctional performance for environmental, energy and medical applications, but excluding device aspects.