Ultra-resilient multi-layer fluorinated diamond like carbon hydrophobic surfaces

doi:10.1038/s41467-023-40229-6

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	Ultra-resilient multi-layer fluorinated diamond like carbon hydrophobic surfaces
	M. J. Hoque; L. N. Li; J. C. Ma; H. Cha; S. Sett; X. Yan; K. F. Rabbi; J. Y. Ho; S. Khodakarami; J. Suwala; W. T. Yang; O. Mohammadmoradi; G. O. Ince and N. Miljkovic
	2023
发表期刊	Nature Communications
卷号	14 期号:1 页码:13
摘要	Hydrophobic condenser surfaces can improve power plant efficiency, but they suffer from poor durability. Here the authors developed a durable fluorinated diamond-like carbon coating that improved dropwise condensation and maintained hydrophobicity over three years of pure steam condensation on multiple metallic substrates. Seventy percent of global electricity is generated by steam-cycle power plants. A hydrophobic condenser surface within these plants could boost overall cycle efficiency by 2%. In 2022, this enhancement equates to an additional electrical power generation of 1000 TWh annually, or 83% of the global solar electricity production. Furthermore, this efficiency increase reduces CO2 emissions by 460 million tons /year with a decreased use of 2 trillion gallons of cooling water per year. However, the main challenge with hydrophobic surfaces is their poor durability. Here, we show that solid microscale-thick fluorinated diamond-like carbon (F-DLC) possesses mechanical and thermal properties that ensure durability in moist, abrasive, and thermally harsh conditions. The F-DLC coating achieves this without relying on atmospheric interactions, infused lubricants, self-healing strategies, or sacrificial surface designs. Through tailored substrate adhesion and multilayer deposition, we develop a pinhole-free F-DLC coating with low surface energy and comparable Young's modulus to metals. In a three-year steam condensation experiment, the F-DLC coating maintains hydrophobicity, resulting in sustained and improved dropwise condensation on multiple metallic substrates. Our findings provide a promising solution to hydrophobic material fragility and can enhance the sustainability of renewable and non-renewable energy sources.
DOI	10.1038/s41467-023-40229-6
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收录类别	sci
语种	英语
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67525
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	M. J. Hoque,L. N. Li,J. C. Ma,et al. Ultra-resilient multi-layer fluorinated diamond like carbon hydrophobic surfaces[J]. Nature Communications,2023,14(1):13.
APA	M. J. Hoque.,L. N. Li.,J. C. Ma.,H. Cha.,S. Sett.,...&G. O. Ince and N. Miljkovic.(2023).Ultra-resilient multi-layer fluorinated diamond like carbon hydrophobic surfaces.Nature Communications,14(1),13.
MLA	M. J. Hoque,et al."Ultra-resilient multi-layer fluorinated diamond like carbon hydrophobic surfaces".Nature Communications 14.1(2023):13.

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