4.8 Article

Lizard-Skin-Inspired Nanofibrous Capillary Network Combined with a Slippery Surface for Efficient Fog Collection

期刊

ACS APPLIED MATERIALS & INTERFACES
卷 13, 期 30, 页码 36587-36594

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acsami.1c10067

关键词

lizard-skin-inspired; nanofibrous capillary network; slippery surface; electrospinning; electric field simulation; fog collection

资金

  1. National Natural Science Foundation of China [52073052, 51925302]
  2. Natural Science Foundation of Shanghai [20ZR1470800]
  3. Program for Professor of Special Appointment at Shanghai Institutions of Higher Learning [TP2016019]
  4. Graduate Student Innovation Fund of Donghua University [CUSF-DH-D-2018035]
  5. Fundamental Research Funds for the Central Universities of Donghua University [CUSF-DH-D-2018035]

向作者/读者索取更多资源

By designing a novel Janus fog collector with a lizard-skin-like nanofibrous network structure and hydrophobic surface, efficient water collection and long-term durability have been achieved. This new approach has great potential in addressing the global issue of freshwater shortage.
Freshwater shortage is a critical global issue that needs to be resolved urgently. Efficient water collection from fog provides a promising and sustainable solution to produce clean drinking water, especially in the desert and arid regions. Nature has long served as our best source of inspiration for designing new structures and developing new materials. Herein, we report a strategy to design a novel Janus fog collector with a hydrophilic lizard-skin-like nanofibrous network upper surface and hydrophobic slippery lower surface using a simple and feasible method of coating and electrospinning. We analyze the forming law of the lizard-skin-like nanofibrous network structure on different substrates using electric field simulation. The resulting copper mesh-based Janus fog collector exhibits superior water-collecting efficiency (907 mg cm(-2) h(-1)) and long-term durability, achieving directional transport of tiny droplets and high-efficiency water collection. However, there are few reports on the combination of the lizard-skin-like nanofibrous capillary network and slippery surface for efficient fog collection. Therefore, we believe that this work will open a new avenue to collect water efficiently and also provide clues to research on the lizard-skin-like nanofibrous network structure.

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