Facile fabrication of self-healing superhydrophobic nanocomposite films enabled by near-infrared light

  • Wei Li
  • Gang Wu
  • Jinhui Tan
  • Yuntao Zhu
  • Xufeng Yu
  • Yang Lei
  • Gang Sun
  • Bo YouEmail author


A novel robust self-healing superhydrophobic F-SiO2/Fe3O4/EP(epoxy)/PCL nanocomposite film was fabricated through a facile two-step method including resin spraying and NPs perpendicular gradient deposition. Specially, the epoxy/polycaprolactone (EP/PCL) mixed resin matrix was prepared through a spraying process and the functioned silica/magnetic iron oxide (F-SiO2/Fe3O4) nanoparticles were then deposited on the resin matrix by gradient distribution under gravity and solvent evaporation. The THF/ethanol mixture solvent which acted as film microstructure-directing agent guided the F-SiO2/Fe3O4 nanoparticles gradient distribution in the nanocomposite films. The results showed that the cutting cracks on the nanocomposite film could be rapidly self-healed and the film would maintain its superhydrophobicity after irradiation by near-infrared light. The nanocomposite films, especially the F-SiO2(8.5wt%)/Fe3O4(1.0wt%)/EP/PCL nanocomposite film, showed high resistant properties on abrasion, corrosive liquids and UV irradiation. The recovery mechanism of the nanocomposite films was also investigated.



This work was supported by United Innovation Program of Shanghai Commercial Aircraft Engine AR909. (The program was funded by Shanghai Municipal Education Commission of Economy and Information, Shanghai Municipal Education Commission and AECC commercial Aircraft Engine Corporation.)

Compliance with ethical standards

Conflicts of interest

The authors declare no competing financial interest.

Supplementary material

10853_2019_3426_MOESM1_ESM.docx (1.5 mb)
Supplementary material 1 (DOCX 1531 kb)


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Materials Science and the Advanced Films Research Center of the China Educational MinistryFudan UniversityShanghaiPeople’s Republic of China
  2. 2.Jiaxing Entry-Exit Inspection and Quarantine BureauJiaxingPeople’s Republic of China
  3. 3.Department of Aeronautics and AstronauticsFudan UniversityShanghaiPeople’s Republic of China

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