Robust TiN-based photothermal superhydrophobic coating with sandwich structure for effective anti−/de-icing applications

IF 6.5 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2024-09-14 DOI:10.1016/j.porgcoat.2024.108816

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Abstract

Photothermal superhydrophobic surfaces are prospective to become ideal anti−/de-icing surfaces because of their icing delay and rapid photothermal deicing property. Herein, a universal photothermal superhydrophobic composite coating (PSCC) was robustly sandwiched a photothermal layer based on hydrophobically modified titanium nitride (TiN) composite spherical nanoparticles (TiN@SiO₂@OTES) between polydimethylsiloxane (PDMS) double layers (the top layer acting for protection and the bottom for thermal insulation and adhesion with the substrate). Due to the high photothermal conversion efficiency (66.0 %) of TiN nanoparticles, the composite coating demonstrated a satisfactory anti−/de-icing efficiency with a stable icing delay time (690 s at 1 sun and − 10 °C) and a fast photothermal de-icing capability (120 s under 1 sun and − 10 °C). In addition, the coating could maintain super-hydrophobicity exhibiting good durability and stability in the lash of sand and water due to the multi-layer design reinforced by PDMS, which was also favorable for residue-free removal of surface to achieve the self-cleaning. Overall, the robust corrosion-resistant photothermal superhydrophobic coating showed a potential for anti−/de-icing application.

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采用夹层结构的坚固 TiN 基光热超疏水性涂层，可有效防冰/除冰

光热超疏水性表面具有延迟结冰和快速光热除冰的特性，有望成为理想的防冰/除冰表面。在这里，一种通用的光热超疏水复合涂层（PSCC）在聚二甲基硅氧烷（PDMS）双层（上层起保护作用，下层起隔热和与基底粘合的作用）之间夹了一层基于疏水改性的氮化钛（TiN）复合球形纳米粒子（TiN@SiO2@OTES）的光热层。由于 TiN 纳米粒子具有很高的光热转换效率（66.0%），该复合涂层具有令人满意的防冰/除冰效率，具有稳定的结冰延迟时间（在日照时间为 1 小时、温度为零下 10 摄氏度的条件下为 690 秒）和快速的光热除冰能力（在日照时间为 1 小时、温度为零下 10 摄氏度的条件下为 120 秒）。此外，由于采用了由 PDMS 加固的多层设计，涂层在沙水的冲刷下仍能保持超疏水性，表现出良好的耐久性和稳定性，这也有利于无残留清除表面，实现自清洁。总之，这种坚固耐用的抗腐蚀光热超疏水性涂层显示出了防/除冰应用的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Progress in Organic Coatings 工程技术-材料科学：膜

CiteScore

11.40

自引率

15.20%

发文量

577

审稿时长

48 days

期刊介绍： The aim of this international journal is to analyse and publicise the progress and current state of knowledge in the field of organic coatings and related materials. The Editors and the Editorial Board members will solicit both review and research papers from academic and industrial scientists who are actively engaged in research and development or, in the case of review papers, have extensive experience in the subject to be reviewed. Unsolicited manuscripts will be accepted if they meet the journal''s requirements. The journal publishes papers dealing with such subjects as: • Chemical, physical and technological properties of organic coatings and related materials • Problems and methods of preparation, manufacture and application of these materials • Performance, testing and analysis.

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