期刊
RSC ADVANCES
卷 8, 期 48, 页码 27064-27072出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra04707c
关键词
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资金
- Innovate UK (EPRSC grant) [102541, EP/N510051/1]
- Centre for Doctoral Training in Molecular Modelling and Materials Science (EPRSC grant) [EP/N510051/1]
- EPSRC [EP/N510051/1] Funding Source: UKRI
Special wettability durable coatings, with average water contact angles exceeding 140, have been fabricated utilising functionalised hydrophobic-SiO2 (H-SiO2) particles embedded in fatty acids. The inexpensive and non-toxic H-SiO2 particles imparted delicate lotus leaf inspired hierarchical surface nano-morphologies while the fatty acid modification afforded a suitable drop in surface energy. Comparison studies were carried out to explore the effects of fatty acid chain length and pipette as opposed to spray coating deposition methods on the coatings hydrophobicity. It was determined that the longest chain length fatty acid coatings showed enhanced hydrophobic properties due to their extended hydrophobic alkyl chain. A pipette deposited suspension containing H-SiO2 nanoparticles and octadecanoic acid generated a coating with the most favourable average water contact and tilting angles of 142 +/- 6 and 16 +/- 2 degrees respectively.
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