Two-dimensional MXene-reinforced robust surface superhydrophobicity with self-cleaning and photothermal-actuating binary effects

2019 ◽  
Vol 6 (5) ◽  
pp. 1057-1065 ◽  
Author(s):  
Wen-Tao Cao ◽  
Wei Feng ◽  
Ying-Ying Jiang ◽  
Chang Ma ◽  
Zi-Fei Zhou ◽  
...  
Keyword(s):  
Superhydrophobic Surface ◽  
Two Dimensional ◽  
Photothermal Conversion ◽  
Self Cleaning ◽  
Surface Superhydrophobicity

A robust superhydrophobic surface with high performances of photothermal-conversion and light-driven motion has been fabricated by integrating with hydrophobic two-dimensional MXenes.

Toward Easily Enlarged Superhydrophobic Copper Surfaces with Enhanced Corrosion Resistance, Excellent Self-Cleaning and Anti-Icing Performance by a Facile Method

2020 ◽  
Vol 20 (10) ◽  
pp. 6317-6325 ◽  
Author(s):  
Xueting Shi ◽  
Libin Zhao ◽  
Jing Wang ◽  
Libang Feng
Keyword(s):  
Corrosion Resistance ◽  
Superhydrophobic Surface ◽  
Cost Effective ◽  
Copper Plate ◽  
Plate Surface ◽  
Water Contact ◽  
Copper Surfaces ◽  
Self Cleaning ◽  
Water Repellence

This work reports a facile method for fabricating superhydrophobic surface on copper plate by AgNO3 treatment and dodecyl mercaptan modification. The as-prepared superhydrophobic copper plate presents hierarchical and rough morphology composed of nanosheets and nanoparticleformed matrix. Meanwhile, long alkyl chains are assembled onto the rough surface successfully. Consequently, the copper plate is endowed with excellent superhydrophobic performance with a water contact angle of 156.8° and a rolling angle of ca. 3°. Moreover, the superhydrophobicity has long-term durability and excellent stability. Grounded on the strong water repellence, the resultant superhydrophobic copper plate surface exhibits multi-functions. The excellent performance can be well explained by “Cushion effect” and Capillary phenomena. As a result, water and corrosive species can be prevented from contacting with the copper plate surface, and contaminants can be taken away easily by the rolling water droplets. Meanwhile, the icing process of water is delayed on the superhydrophobic surface. Therefore, the superhydrophobic copper is endued with enhanced corrosion resistance, excellent self-cleaning and anti-icing performance. We believe that this facile method provides a simple and cost-effective process to improve the properties of copper plate, and which may see practical application of the superhydrophobic materials.

scholarly journals A Durable and Self-Cleaning Superhydrophobic Surface Prepared by Precipitating Flower-Like Crystals on a Glass-Ceramic Surface

Materials ◽  
2020 ◽  
Vol 13 (7) ◽  
pp. 1642
Author(s):  
Haiqing Fu ◽  
Shuo Liu ◽  
Lanlin Yi ◽  
Hong Jiang ◽  
Changjiu Li ◽  
...  
Keyword(s):  
Glass Ceramic ◽  
Superhydrophobic Surface ◽  
Three Dimensional ◽  
Strong Acid ◽  
Ceramic Surface ◽  
Sliding Angle ◽  
Water Contact ◽  
Prepared Glass ◽  
Self Cleaning ◽  
Dual Scale

Herein, a superhydrophobic surface with superior durability was fabricated on a glass-ceramic surface by crystallization, hydrofluoric acid (HF) etching, and surface grafting. The as-prepared glass-ceramic surface was composed of three-dimensional flower-like micro-clusters, which were self-assembled from numerous nanosheets. Such a dual-scale rough surface exhibited superhydrophobicity, with a water contact angle (WCA) of 170.3° ± 0.1° and a sliding angle (SA) of ~2° after grafting with 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (FAS-17). This can be attributed to the synergistic effect between the dual-scale structure and surface chemistry. Furthermore, this surface exhibited excellent self-cleaning properties, stability against strong acid and strong alkali corrosion, and anti-stripping properties.

Controllable magnetic roughness surface with sustainable superhydrophobicity based on magnetorheological colloid

2020 ◽  
pp. 1045389X2094283
Author(s):  
Honghui Zhang ◽  
Zejun Tao ◽  
Yunheng Xiao
Keyword(s):  
Stainless Steel Substrate ◽  
Steel Substrate ◽  
Influential Factors ◽  
The Self ◽  
Surface Microstructure ◽  
Strength Testing ◽  
Structure Model ◽  
Roughness Surface ◽  
Self Cleaning ◽  
Surface Superhydrophobicity

In this article, magnetorheological colloid was adopted to coat a stainless steel substrate, which was cured under magnetic field to form magnetic roughness surface. Superhydrophobicity had been verified in the experiments, and the influential factors on the hydrophobic performance had been explored. A regular sawtooth structure model was proposed to relate the hydrophobicity with the formed surface microstructure. With the self-cleaning and bonding strength testing, the magnetic roughness surface is promising to keep sustainable superhydrophobicity in the self-cleaning or drag reduction applications.

Fabrication of pinecone-like structure superhydrophobic surface on titanium substrate and its self-cleaning property

2016 ◽  
Vol 290 ◽  
pp. 82-90 ◽  
Author(s):  
Shou-Yi Li ◽  
Yan Li ◽  
Jian Wang ◽  
Ya-Gong Nan ◽  
Bao-Hong Ma ◽  
...  
Keyword(s):  
Superhydrophobic Surface ◽  
Titanium Substrate ◽  
Self Cleaning
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